Updated on 2024/10/11

写真a

 
NAKATSUKA, Takeshi
 
Organization
Graduate School of Environmental Studies Department of Earth and Environmental Sciences Global Environmental Variation Professor
Graduate School
Graduate School of Environmental Studies
Undergraduate School
School of Science Department of Earth and Planetary Science
Title
Professor

Degree 1

  1. 博士(理学) ( 1995.12   名古屋大学 ) 

Research Interests 4

  1. Isotopic Ratio

  2. Paleoclimatology

  3. Tree Ring

  4. Paleoceanography

Research Areas 6

  1. Others / Others  / Environmental Dynamic Analysis

  2. Others / Others  / Earth Astrohemistry

  3. Humanities & Social Sciences / Archaeology

  4. Humanities & Social Sciences / Archaeology

  5. Environmental Science/Agriculture Science / Environmental dynamic analysis

  6. Natural Science / Space and planetary sciences

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Current Research Project and SDGs 2

  1. Material circulation through forest-river-coast-open ocean systems and interaction between land and marine ecosystems

  2. Analysis of Climate Variation using Isotopic Ratios of Tree-Ring Cellulose

Research History 6

  1. Nagoya University   Graduate School of Environmental Studies Department of Earth and Environmental Sciences Global Environmental Variation   Professor

    2018.10

  2. Research Institute for Humanity and Nature   Research Division   Professor

    2013.10 - 2019.3

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    Country:Japan

  3. 名古屋大学   大学院環境学研究科   教授

    2008.10 - 2013.9

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    Country:Japan

  4. Associate Professor, Institute of Low Temperature Sciences, Hokkaido University   Associate professor

    1996.7 - 2008.9

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    Country:Japan

  5. Research Associate, Institute of Hydrospheric and Atmospheric Sciences, Nagoya University   Assistant

    1993.4 - 1996.7

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    Country:Japan

  6. Research Associate, Water Research Institute, Nagoya University   Assistant

    1991.11 - 1993.3

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    Country:Japan

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Education 3

  1. Nagoya University   Graduate School, Division of Natural Science   Course of Atmospheric and Hydrospheric Sciences

    1988.4 - 1991.11

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    Country: Japan

  2. Nagoya University   Graduate School, Division of Natural Science

    1986.4 - 1988.3

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    Country: Japan

  3. Kyoto University   Faculty of Science

    1982.4 - 1986.3

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    Country: Japan

Professional Memberships 5

  1. 日本文化財科学会   評議員

    2018.7

  2. The Oceanographic Society of Japan

  3. The Geochemical Society of Japan

  4. Japan Association for Quaternary Research

  5. Meteorological Society of Japan

Committee Memberships 3

  1. 日本文化財科学会   評議員  

    2018.3   

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    Committee type:Academic society

  2. 日本学術会議 環境学・地球惑星科学合同委員会 IGBP/WCRP分科会   分科会委員  

    2008.10   

  3. IGBP/PAGES Science Steering Committee   Member of Science Steering Committee  

    2007.1 - 2012.12   

Awards 5

  1. 第8回古代歴史文化賞優秀作品賞

    2022.11   古代歴史文化普及協議会(島根県・奈良県・三重県・和歌山県・宮崎県)   気候適応の日本史 人新世をのりこえる視点

    中塚 武

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    Award type:Award from publisher, newspaper, foundation, etc.  Country:Japan

  2. 2021年日本第四紀学会学術賞

    2021.8   日本第四紀学会   樹木年輪の安定同位体比分析を用いた気候変動等の研究

    中塚 武

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    Award type:Award from Japanese society, conference, symposium, etc.  Country:Japan

  3. 第45回三宅賞(地球化学研究協会学術賞)

    2017.12   地球化学研究協会   樹木年輪酸素同位体比を用いた高時間分解能による古気候学の推進と歴史学・考古学への応用

    中塚 武

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    Award type:Award from Japanese society, conference, symposium, etc.  Country:Japan

  4. 日本地球化学会Geochemical Journal賞

    2005.5   日本地球化学会  

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    Country:Japan

  5. 日本海洋学会岡田賞

    1997.4   日本海洋学会  

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    Country:Japan

 

Papers 189

  1. A 2600-year summer climate reconstruction in central Japan by integrating tree-ring stable oxygen and hydrogen in isotopes Reviewed International coauthorship International journal

    Nakatsuka Takeshi, Sano Masaki, Li Zhen, Xu Chenxi, Tsushima Akane, Shigeoka Yuki, Sho Kenjiro, Ohnishi Keiko, Sakamoto Minoru, Ozaki Hiromasa, Higami Noboru, Nakao Nanae, Yokoyama Misao, Mitsutani Takumi

    CLIMATE OF THE PAST   Vol. 16 ( 6 ) page: 2153 - 2172   2020.11

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Climate of the Past  

    Oxygen isotope ratios (δ18O) of tree-ring cellulose are a novel proxy for summer hydroclimate in monsoonal Asia. In central Japan, we collected 67 conifer wood samples, mainly Chamaecyparis obtusa, with ages encompassing the past 2600 years. The samples were taken from living trees, archeological wood, architectural wood, and buried logs. We analyzed stable isotope ratios of oxygen (δ18O) and hydrogen (d2H) in tree-ring cellulose in these samples (more than 15 000 rings in total) without using a pooling method and constructed a statistically reliable treering cellulose δ18O time series for the past 2500 years. However, there were distinct age trends and level offsets in the δ18O record, and cellulose δ18O values showed a gradual decrease as an individual tree matures. This suggested it is difficult to establish a cellulose δ18O chronology for lowfrequency signals by simple averaging of all the δ18O time series data. In addition, there were opposite age trends in the cellulose δ2H, and δ2H gradually increased with tree age. There were clear positive correlations in the short-periodicity variations between δ18O and δ2H, probably indicating a common climate signal. A comparison of the δ18O and δ2H time series in individual trees with tree-ring width suggested that the opposite age trends of δ18O and δ2H are caused by temporal changes in the degree of post-photosynthetic isotope exchange with xylem water (physiological effect), accompanied by changes in stem growth rate that are influenced by human activity in the forests of central Japan. Based on the assumptions that cellulose δ18O and δ2H vary positively and negatively with constant proportional coefficients due to climatological and physiological effects, respectively, we solved simultaneous equations for the climatological and physiological components of variations in tree-ring cellulose δ18O and δ2H in order to remove the age trend. This enabled us to evaluate the climatic record from cellulose δ18O vari ations. The extracted climatological component in the cellulose δ18O for the past 2600 years in central Japan was well correlated with numerous instrumental, historical, and paleoclimatological records of past summer climate at various spatial and temporal scales. This indicates that integration of tree-ring cellulose δ18O and δ2H data is a promising method to reconstruct past summer climate variations on annual to millennial timescales, irrespective of the growth environment. However, analytical and statistical methods need to be improved for further development of this climate proxy.

    DOI: 10.5194/cp-16-2153-2020

    Web of Science

    Scopus

  2. Tree-rings stable isotope (d(18)O and d(2)H) based 368 years long term precipitation reconstruction of South Eastern Kashmir Himalaya Reviewed International coauthorship

    Pandey Uttam, Nakatsuka Takeshi, Mehrotra Nivedita, Zhen Li, Kato Yoshikazu, Sano Masaki, Shah Santosh K.

    SCIENCE OF THE TOTAL ENVIRONMENT   Vol. 892   page: 164640   2023.9

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.scitotenv.2023.164640

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    PubMed

  3. TWO NEW MILLENNIUM-LONG TREE-RING OXYGEN ISOTOPE CHRONOLOGIES (2349-1009 BCE AND 1412-466 BCE) FROM JAPAN Reviewed

    Sano Masaki, Kimura Katsuhiko, Miyake Fusa, Tokanai Fuyuki, Nakatsuka Takeshi

    RADIOCARBON   Vol. 65 ( 3 ) page: 721 - 732   2023.6

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    Authorship:Last author   Language:English  

    DOI: 10.1017/RDC.2023.29

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  4. Tree ring oxygen isotope dating of wood recovered from a canal in the ancient capital of Japan Reviewed

    Sano Masaki, Li Zhen, Murakami Yumiko, Jinno Megumi, Ura Yoko, Kaneda Akihiro, Nakatsuka Takeshi

    JOURNAL OF ARCHAEOLOGICAL SCIENCE-REPORTS   Vol. 45   2022.10

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.jasrep.2022.103626

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  5. Climate variation in ancient Japan inferred from tree-ring cellulose oxygen isotopic ratio Invited Reviewed

    Takeshi NAKATSUKA

    Bulletin of the National Museum of Japanese History   Vol. 232   page: 11 - 30   2022.3

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    Authorship:Lead author, Last author, Corresponding author   Language:Japanese   Publishing type:Research paper (scientific journal)  

  6. Simulation of variations in climate, agricultural production, and population during Yayoi and Kofun Eras using tree-ring oxygen isotopic ratios Invited Reviewed

    Takeshi NAKATSUKA

    Bulletin of the National Museum of Japanese History   Vol. 231   page: 317 - 336   2022.2

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    Authorship:Lead author, Last author, Corresponding author   Language:Japanese   Publishing type:Research paper (scientific journal)  

  7. Tree-ring oxygen isotope across monsoon Asia: Common signal and local influence Reviewed

    Xu Chenxi, Zhao Qingyu, An Wenling, Wang Simon, Tan Ning, Sano Masaki, Nakatsuka Takeshi, Borhara Krishna, Guo Zhengtang

    QUATERNARY SCIENCE REVIEWS   Vol. 269   2021.10

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    Language:English   Publisher:Quaternary Science Reviews  

    Tree-ring cellulose oxygen isotope (δ18O) in monsoon Asia (MA) is affected collectively by local hydroclimate and remote oceanic-atmospheric variations. Variations of tree-ring δ18O have been widely used for quantitative reconstructions of monsoon-season precipitation, relative humidity and drought severity. However, local hydroclimate and remote large-scale circulation's influences on tree-ring δ18O has not been fully resolved. Here, we collected 24 tree-ring δ18O chronologies covering the period of 1884–1999 across a wide range of MA and investigated the common signals of these chronologies using principal component analysis. The first principal component (PC1) of the 24 tree-ring δ18O chronologies explained 25.2% of the total variances and showed significant positive correlations with the observed Asian summer monsoon oxygen isotope index (r = 0.69) during the period of 1978–1999, suggesting that a common signal of precipitation δ18O does exist in MA and that it is highly correlated with El Niño–Southern Oscillation (ENSO) (r = 0.72) and the South Asian summer monsoon precipitation (r = −0.66). South Asian summer monsoon precipitation and ENSO are the main factors controlling this common signal of tree-ring δ18O across MA. PC1 of tree-ring δ18O chronologies in MA also depicted a negative (positive) correlation with the Atlantic Multidecadal Oscillation (Pacific Decadal Oscillation), indicating the large-scale circulation influences. After removing the large-scale circulation influences on tree-ring δ18O chronologies, however, the residual tree-ring δ18O chronologies exhibit negative correlations with the regional hydroclimate, highlighting the role local hydroclimate on the individual tree-ring δ18O variations.

    DOI: 10.1016/j.quascirev.2021.107156

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  8. 古気候学者から歴史学者への協働の呼びかけ―現代の諸問題に対峙するために- Invited

    中塚 武

    日本史研究   Vol. 700   page: 147 - 162   2020.12

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Research paper (scientific journal)  

  9. 酸素同位体比年輪年代法-高精度編年への挑戦 Invited

    中塚 武

    季刊考古学   Vol. 150   page: 142-145   2020.2

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Research paper (scientific journal)  

  10. 年輪を用いた南アルプスにおける1774 年以降の夏期気温の復元 Reviewed

    安江 恒, 久保典子, 赤尾実紀子, 佐野雅規, 中塚 武

    地学雑誌   Vol. 128 ( 1 ) page: 49-59   2019.2

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    Authorship:Last author   Language:Japanese   Publishing type:Research paper (scientific journal)  

    DOI: 10.5026/jgeography.128.49

  11. Seasonal changes of δD and δ18O in tree-ring cellulose of Quercus crispula suggest a change in post-photosynthetic processes during earlywood growth. Reviewed International coauthorship International journal

    Nabeshima E, Nakatsuka T, Kagawa A, Hiura T, Funada R

    Tree physiology   Vol. 38 ( 12 ) page: 1829 - 1840   2018.12

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1093/treephys/tpy068

    PubMed

  12. A 180-year-long isotopic record of tree-ring cellulose on Okinawa Island, Japan. Reviewed International journal

    Ryu Uemura, Miki Uemura, Masaki Sano, Takeshi Nakatsuka

      Vol. 52   page: e21-e27   2018.11

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)  

  13. 酸素同位体比年輪年代法による池島・福万寺遺跡の弥生時代水田に関する年代観の構築

    井上智博, 中塚 武, 李 貞, 對馬あかね, 佐野雅規, 遠部 慎, 中原 計

    大阪文化財研究   Vol. 51   page: 1-26   2018.3

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    Language:Japanese   Publishing type:Research paper (scientific journal)  

  14. 酸素同位体比年輪年代法の誕生と展開 Invited Reviewed

    中塚 武

    考古学と自然科学   Vol. 76   page: 1-13   2018.3

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    Authorship:Lead author   Language:Japanese   Publishing type:Research paper (scientific journal)  

  15. 『CD-ROM版 鎌倉遺文』に収録された古文書件数と気候復元データの関係の定量的分析 Invited Reviewed

    伊藤啓介, 中塚 武

    鎌倉遺文研究   Vol. 40   page: 23-53   2017.10

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    Authorship:Last author   Language:Japanese   Publishing type:Research paper (scientific journal)  

  16. Recent enhancement of central Pacific El Niño variability relative to last eight centuries. Reviewed International coauthorship International journal

    Liu Y, Cobb KM, Song H, Li Q, Li CY, Nakatsuka T, An Z, Zhou W, Cai Q, Li J, Leavitt SW, Sun C, Mei R, Shen CC, Chan MH, Sun J, Yan L, Lei Y, Ma Y, Li X, Chen D, Linderholm HW

    Nature communications   Vol. 8   page: 15386   2017.5

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1038/ncomms15386

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  17. Method to measure tree-ring width, density, elemental composition, and stable carbon and oxygen isotopes using one sample

    Xu, CX; Zhao, YR; An, WL; Zhao, QY; Liu, YC; Sano, M; Nakatsuka, T

    JOURNAL OF FORESTRY RESEARCH   Vol. 35 ( 1 )   2024.12

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    Publisher:Journal of Forestry Research  

    Tree-ring width (RW), density, elemental composition, and stable carbon and oxygen isotope (δ13C, δ18O) are widely used as proxies to assess climate change, ecology, and environmental pollution; however, a specific pretreatment has been needed for each proxy. Here, we developed a method by which each proxy can be measured in the same sample. First, the sample is polished for ring width measurement. After obtaining the ring width data, the sample is cut to form a 1-mm-thick wood plate. The sample is then mounted in a vertical sample holder, and gradually scanned by an X-ray beam. Simultaneously, the count rates of the fluorescent photons of elements (for chemical characterization) and a radiographic grayscale image (for wood density) are obtained, i.e. the density and the element content are obtained. Then, cellulose is isolated from the 1-mm wood plate by removal of lignin, and hemicellulose. After producing this cellulose plate, cellulose subsamples are separated by knife under the microscope for inter-annual and intra-annual stable carbon and oxygen isotope (δ13C, δ18O) analysis. Based on this method, RW, density, elemental composition, δ13C, and δ18O can be measured from the same sample, which reduces sample amount and treatment time, and is helpful for multi-proxy comparison and combination research.

    DOI: 10.1007/s11676-024-01707-9

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  18. Methodological constrains of tree-ring stable isotope chronologies Reviewed

    Tito Arosio, Max Torbenson, Tatiana Bebchuk, Alexander Kirdyanov, Jan Esper, Takeshi Nakatsuka, Masaki Sano, Otmar Urban, Kurt Nicolussi, Markus Leuenberger, Ulf Büntgen

    Quaternary Science Reviews   Vol. 340   page: 108861   2024.9

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.quascirev.2024.108861

  19. A 1179-yr (417-1595 CE) tree-ring oxygen isotope chronology for northern Japan validated using the 774-775 CE radiocarbon spike Reviewed

    Sano, M; Li, Z; Tsushima, A; Kimura, K; Nakamura, T; Ohyama, M; Sakamoto, M; Nakatsuka, T; Hakozaki, M

    RADIOCARBON     2024.5

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1017/RDC.2024.55

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  20. RADIOCARBON DATING OF TREE RINGS FROM THE BEGINNING AND END OF THE YAYOI PERIOD, JAPAN Reviewed

    Sakamoto Minoru, Hakozaki Masataka, Nakatsuka Takeshi, Ozaki Hiromasa

    RADIOCARBON     2023.8

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  21. Assessments of tree-ring intra-annual & delta;O-18 record for reconstructing hydroclimate with high temporal resolution Reviewed

    Watanabe Yumiko, Katayama Yoshito, Li Zhen, Nakatsuka Takeshi, Tazuru Suyako

    GEOSCIENCE LETTERS   Vol. 10 ( 1 )   2023.6

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1186/s40562-023-00282-x

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  22. Temporal changes of stable sulfur isotope ratios in tree rings of two giant Cryptomeria japonica

    Shiode Ayumi, Tanikawa toko, Hirano Yasuhiro, Nakatsuka Takeshi, Kato Yoshikazu, Ishida Takuya, Sase Hiroyuki

    The Japanese Forest Society Congress   Vol. 134 ( 0 ) page: 503   2023.5

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    Language:English   Publishing type:Research paper (conference, symposium, etc.)   Publisher:THE JAPANESE FORESTRY SOCIETY  

    <p>[in Japanese]</p>

    DOI: 10.11519/jfsc.134.0_503

    CiNii Research

  23. A WIGGLE-MATCHED 297-YR TREE-RING OXYGEN ISOTOPE RECORD FROM THAILAND: INVESTIGATING THE C-14 OFFSET INDUCED BY AIR MASS TRANSPORT FROM THE INDIAN OCEAN Reviewed International coauthorship

    Sano Masaki, Pumijumnong Nathsuda, Fujita Koji, Hakozaki Masataka, Miyake Fusa, Nakatsuka Takeshi

    RADIOCARBON   Vol. 65 ( 2 ) page: 505 - 519   2023.4

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1017/RDC.2023.14

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  24. Asian-Australian summer monsoons linkage to ENSO strengthened by global warming Reviewed International coauthorship

    Xu Chenxi, Wang S. -Y. Simon, Borhara Krishna, Buckley Brendan, Tan Ning, Zhao Yaru, An Wenling, Sano Masaki, Nakatsuka Takeshi, Guo Zhengtang

    NPJ CLIMATE AND ATMOSPHERIC SCIENCE   Vol. 6 ( 1 )   2023.2

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1038/s41612-023-00341-2

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  25. The modulation of Pacific Decadal Oscillation on ENSO-East Asian summer monsoon relationship over the past half-millennium Reviewed International coauthorship

    Hau Nguyen-Xuan, Sano Masaki, Nakatsuka Takeshi, Chen Shin-Hao, Chen I. -Ching

    SCIENCE OF THE TOTAL ENVIRONMENT   Vol. 857 ( Pt 2 ) page: 159437   2023.1

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.scitotenv.2022.159437

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  26. 愛知県出土材の年輪幅に基づく中世ヒノキ標準年輪曲線(1087–1574 年)の構築. Reviewed

    佐野 雅規・大石 恭平・樋上 昇・中塚 武

    文化財科学   Vol. 86   page: 37 - 38   2023

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    Authorship:Last author   Language:Japanese   Publishing type:Research paper (scientific journal)  

  27. Interdecadal to Multidecadal Variability of East Asian Summer Monsoon Over the Past Half Millennium Reviewed International coauthorship

    Shi Feng, Goosse Hugues, Li Jianping, Yin Qiuzhen, Ljungqvist Fredrik Charpentier, Lian Tao, Sun Cheng, Wang Lin, Wu Zhiwei, Li Juan, Zhao Sen, Xu Chenxi, Liu Wei, Liu Ting, Nakatsuka Takeshi, Guo Zhengtang

    JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES   Vol. 127 ( 20 )   2022.10

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1029/2022JD037260

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  28. Different moisture regimes during the last 150 years inferred from a tree-ring delta O-18 network over the transitional zone of the Asian summer monsoon Reviewed International coauthorship

    Fan Haowen, Gou Xiaohua, Nakatsuka Takeshi, Li Zhen, Fang Keyan, Su Jiajia, Gao Linlin, Liu Wenhuo

    JOURNAL OF HYDROLOGY   Vol. 613   2022.10

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    Web of Science

  29. Different moisture regimes during the last 150 years inferred from a tree-ring δ<sup>18</sup>O network over the transitional zone of the Asian summer monsoon

    Fan H., Gou X., Nakatsuka T., Li Z., Fang K., Su J., Gao L., Liu W.

    Journal of Hydrology   Vol. 613   2022.10

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    Publisher:Journal of Hydrology  

    The East Asian summer monsoon (EASM) and Indian summer monsoon (ISM) are two interactive climate systems dominating the moisture variability of Monsoon Asia. However, ISM-EASM interactions and their effects on regional moisture dynamics remain unclear. This study investigated the spatiotemporal characteristics of monsoon-related hydroclimate variability by establishing a new tree-ring oxygen isotope ratio (δ18Otree) network of eight δ18Otree records covering the last 150 years in southern China, which differs from previous studies that used data from individual sites. The δ18Otree chronologies were found to be sensitive to regional hydroclimatic changes during the monsoon season. The δ18Otree network indicated an east–west clustering pattern in the ISM-EASM transitional zone, which demonstrates an asynchrony in δ18Otree variability in the west and east of this region. Regional variability of the west and east δ18Otree modes reflected the different moisture signals, as indicated by their significant correlations with modern observations and paleo-δ18O records in disparate upstream regions of moisture transport (the Indochina Peninsula and Southeast China). This finding was confirmed by the east–west distinct pattern of spatial isotopic depletion of monsoon rainfall that originates from coastal areas of tropical oceans (Bay of Bengal and South China Sea) to the study area, as well as the consistent present-day pattern of atmospheric vapor transport during the monsoon season. In addition, the west and east modes exhibited stronger associations with ISM variability, whereas the east–west δ18Otree gradient captured the EASM-related hydroclimatic signal, suggesting that summer moisture variability in the ISM-EASM transitional zone was regulated more by ISM than by EASM during the last 150 years. The relationships between δ18Otree and large-scale ocean–atmosphere interaction modes revealed that the El Niño-Southern Oscillation (ENSO) dominantly modulates δ18Otree variability across southern China.

    DOI: 10.1016/j.jhydrol.2022.128484

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  30. Water Resource Management Implications for a Desert Oasis From Tree-Ring delta O-18 Variations in Populus Euphratica in Northwest China Reviewed International coauthorship

    Li Qiang, Liu Yu, Meko David M., Nakatsuka Takeshi, Pan Yingnan, Song Huiming, Liu Ruoshi, Sun Changfeng, Fang Congxi

    WATER RESOURCES RESEARCH   Vol. 58 ( 4 )   2022.4

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1029/2022WR031953

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  31. Book Review 1: Valerie Trouet, Tree Story - The History of the World Written in Rings. Invited

    NAKATSUKA, Takeshi

    SHI’EN (The Journal of Historical Studies, Rikkyo University)   Vol. 82 ( 2 ) page: 155 - 161   2022.3

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    Language:Japanese   Publishing type:Research paper (bulletin of university, research institution)  

  32. 気候変動と人間社会の歴史的関係から学ぶ-「変化」の速さに着目して Invited

    中塚 武

    学術の動向   Vol. 27 ( 2 ) page: 31 - 35   2022.2

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    Authorship:Lead author   Language:Japanese   Publishing type:Research paper (other academic)  

  33. Lesson From Historical Relationship Between Climate Variation and Human Society With Special Focus on the Speed of Change

    NAKATSUKA Takeshi

    TRENDS IN THE SCIENCES   Vol. 27 ( 2 ) page: 2_31 - 2_35   2022.2

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    Language:Japanese   Publisher:Japan Science Support Foundation  

    DOI: 10.5363/tits.27.2_31

    CiNii Research

  34. 奄美リュウキュウマツ年輪酸素同位体比データと海洋変動指数との関連性

    増岡 晃大, 庄 建治朗, 中塚 武, 李 貞

    水文・水資源学会研究発表会要旨集   Vol. 35 ( 0 ) page: 115   2022

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    Language:Japanese   Publisher:水文・水資源学会  

    <p>樹木年輪セルロース酸素同位体比は過去の気候変動をよく反映していることが確かめられている。近年では,年輪に含まれる酸素同位体比の測定手法の発達により,より純粋な気象因子との結びつきを検討できる可能性が期待されている.一方で樹木年輪の既往研究の多くは1年輪の測定により行われており,1年の時間分解能を持つデータが一般的である.そのため気候変動や海洋変動が日本陸域へ及ぼす季節ごとの影響を検討することが困難な場合がある.</p><p>本研究では1年輪を年層内分割し得られた酸素同位体比データを用いて,気象代替データの時間分解能向上と年輪から考えられる海洋変動による陸域での季節変動について検討する.奄美大島の樹齢200年のリュウキュウマツ3個体を対象として、年輪を形成するセルロースの抽出を行う。セルロース試料から測定サンプルを切り分ける際に、各年輪を成長方向へ分割する。測定データを用いて海洋変動が南西諸島陸域にもたらす影響を検討するために複数の海洋因子との相関分析を行う.</p><p>結果としてENSO、PDOとの強い関連は得られなかった。一部年層内の成長期の終わり(11月頃)に相当する部分の酸素同位体比とENSOの間で正相関が得られた。ラニーニャ発生時期に奄美周辺の11月頃の日照時間が低下することが、同位体比変動に現れたと考えられる。一方でNPGOに関しては、1年遅いNPGOと梅雨入りに相当する部分の酸素同位体比、4年先行したNPGOと年層内の成長期の始まり(4月頃)に相当する部分の酸素同位体比との正相関が得られた。先行研究で東北地方を対象とした年輪同位体比と初夏の報告があり、東北地方のみならず南西諸島にも関連した指標であると考えられる。以上のように年輪の年層内分割は季節性の代替データを提供するとともに、大規模な海洋変動が陸域へ及ぼす関係を検討するのに有効な手段になると考えられる。</p>

    DOI: 10.11520/jshwr.35.0_115

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  35. 樹木年輪古気候学の現状と課題:バレリー・トロエ『年輪で読む世界史』

    中塚 武

    史苑   Vol. 82/2   page: 155 - 161   2022

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  36. 纒向遺跡の出土材年輪年代決定に向けて―酸素同位体比の年層内変動解析

    中塚 武

    纒向学研究   Vol. 10   page: 309 - 316   2022

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  37. 温暖化が駆動する大気海洋相互作用-樹木とサンゴの年輪共同研究の重要性

    中塚 武

    月刊海洋   Vol. 622   page: 441 - 451   2022

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  38. 樹木年輪の水素・酸素同位体比の統合による長期気候変動の復元

    中塚 武

    月刊地球   Vol. 44   page: 255 - 266   2022

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  39. シリーズ『気候変動から読みなおす日本史』をめぐって

    中塚 武, 三木 敦朗

    日本の科学者   Vol. 57 ( 1 ) page: 46 - 51   2022

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    DOI: 10.60233/jjsci.57.1_46

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  40. [書評] 樹木年輪古気候学の現状と課題-バレリー・トロエ『年輪で読む世界史』

    中塚 武

    史苑   Vol. 82   page: 155 - 161   2022

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  41. Spatial synchrony in delta O-18 time-series from a tree-ring network are driven by synchronous hydroclimate variability in the transitional zone of the Asian summer monsoon Reviewed International coauthorship International journal

    Fan Haowen, Gou Xiaohua, Nakatsuka Takeshi, Li Zhen, Su Jiajia, Sano Masaki, Liu Wenhuo, Fang Keyan

    AGRICULTURAL AND FOREST METEOROLOGY   Vol. 311   2021.12

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    Owing to the increased need to assess global forest behavior under changing climatic conditions within a long-term context, spatial coherence in tree-ring records is of widespread interest. Spatial networks of tree growth have been widely discussed from regional to global scales, but few studies have reported stable oxygen isotopes in networks of tree rings (δ18Otree), thus impeding a comprehensive hydroclimatic interpretation of δ18Otree records over large spatial scales, i.e., isoscapes. In this study, a network of four annually resolved δ18Otree chronologies (1805–2016) was developed for Southwest China, the transitional zone of the Asian summer monsoon, to test spatial coherence in δ18Otree variations and to explore the climatic factors driving synchrony at different spatial scales. The quantitative analyses show that the four chronologies exhibit consistent annual variations, with the first principal component (PC1) accounting for 70% of the total variance, which uniformly respond to local relative humidity (RH) and precipitation δ18O during the monsoon season. This confirms the spatial coherence in δ18Otree records. Furthermore, significant inter-site correlations of local RH and precipitation δ18O are also detected, revealing that it is the regionally homogeneous year-to-year variations in the hydroclimate that should be responsible for spatial coherence. For a larger spatial perspective, spatial correlation analyses reveal that the most prominent correlations between δ18Otree and hydroclimate fields occur in the Indochina Peninsula, in which δ18Otree changes are synchronized with those in Southwest China and the synchrony temporally varies with the Indian summer monsoon (ISM) intensity, indicating that coherent δ18Otree variations are linked to ISM-related moisture transport. In addition, δ18Otree records have shown strong in-phase relationships with the natural variabilities of the ISM and El Niño-Southern Oscillation (ENSO) across interannual and interdecadal timescales over the last 150 years, suggesting that spatial coherence in δ18Otree records can be utilized to reflect the long-term history of large-scale atmospheric circulation.

    DOI: 10.1016/j.agrformet.2021.108687

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  42. A seamless climate reconstruction beyond periodicity - Discovery of multi-decadal variability critical for human and natural sciences Invited

    Nakatsuka Takeshi

    Abstracts of Annual Meeting of the Geochemical Society of Japan   Vol. 68 ( 0 ) page: 53   2021.9

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    Authorship:Lead author   Language:Japanese   Publishing type:Research paper (conference, symposium, etc.)   Publisher:GEOCHEMICAL SOCIETY OF JAPAN  

    <p>A seamless reconstruction of summer climate variation for all periodicities has been carried out in central Japan by integrating tree-ring oxygen and hydrogen isotopes. By decomposing the time series, I have found that the amplitude of multi-decadal variations is enhanced at every 400 years, inducing societal regime shifts over East Asia. I will discuss its natural and human scientific meanings referring the results of an inter-disciplinary research project in Research Institute for Humanity and Nature.</p>

    DOI: 10.14862/geochemproc.68.0_53

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  43. Onset and maturation of Asian summer monsoon precipitation reconstructed from intra-annual tree-ring oxygen isotopes from the southeastern Tibetan Plateau

    Xu Chenxi, Zhu Haifeng, Wang S-Y Simon, Shi Feng, An Wenling, Li Zhen, Sano Masaki, Nakatsuka Takeshi, Guo Zhengtang

    QUATERNARY RESEARCH   Vol. 103   page: 139 - 147   2021.9

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    We present a long-term seasonal tree ring cellulose oxygen isotope (δ18Oc) time series created by analyzing four segments (S1, S2, S3, and S4) per year during the period of 1951-2009 from southeastern Tibetan Plateau. This intraseasonal δ18Oc reveals the onset and mature phase of the summer monsoon precipitation in this region. Analysis indicates that the δ18Oc of S1 has the strongest correlation with precipitation during the regional monsoon onset (29-33 pentads, May 21-June 10, r =-0.69), and the δ18Oc values for S2, S3, and S4 correlate strongly with June, July, and August precipitation, respectively. Combined δ18Oc of S2, S3, and S4 shows the most robust correlation (r =-0.82) with the mature-phase monsoon precipitation (June-July-August, JJA), passing rigorous statistical tests for calibration and verification in dendroclimatology. These results demonstrate the feasibility in using long-term intraseasonal δ18Oc to reconstruct the Asian summer monsoon's intraseasonal variations.

    DOI: 10.1017/qua.2020.28

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  44. Oxygen Isotopes in Tree Rings from Greenland: A New Proxy of NAO Reviewed International coauthorship International journal

    Xu Chenxi, Buckley Brendan M., Wang Shih-Yu Simon, An Wenling, Li Zhen, Nakatsuka Takeshi, Guo Zhengtang

    ATMOSPHERE   Vol. 12 ( 1 )   2021.1

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    We present the first Greenlandic tree ring oxygen isotope record (δ18OGTR), derived from four birch trees collected from the Qinguadalen Valley in southwestern Greenland in 1999. Our δ18O record spans from 1950–1999 and is significantly and positively correlated with winter ice core δ18O from southern Greenland. δ18OGTR records are positively correlated with southwestern Greenland January–August mean temperatures. North Atlantic Oscillation (NAO) reconstructions have been developed from a variety of proxies, but never with Greenlandic tree rings, and our δ18OGTR record is significantly correlated with NAO (r = −0.64), and spatial correlations with sea-level pressure indicate a classic NAO pressure seesaw pattern. These results may facilitate a longer NAO reconstruction based on long time series of tree ring δ18O records from Greenland, provided that subfossil wood can be found in areas vacated by melting glaciers.

    DOI: 10.3390/atmos12010039

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  45. 大規模土砂移動発生履歴の高精度復元に向けた埋没樹木の年代測定-歴史時代に中部山岳地域で発生した事例- Reviewed

    山田隆二・木村 誇・苅谷愛彦・佐野雅規・對馬あかね・李 貞・中塚 武・國分(齋藤)陽子・井上公夫

    砂防学会誌   Vol. 73   page: 3 - 14   2021.1

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    DOI: https://doi.org/10.11475/sabo.73.5_3

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  46. Delayed warming in Northeast China: Insights from an annual temperature reconstruction based on tree-ring delta O-18 Reviewed International coauthorship International journal

    Li Qiang, Liu Yu, Nakatsuka Takeshi, Liu Ruoshi, Cai Qiufang, Song Huiming, Wang Shengjie, Sun Changfeng, Fang Congxi

    SCIENCE OF THE TOTAL ENVIRONMENT   Vol. 749   page: 141432   2020.12

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    Global warming has had an unprecedented impact on environmental changes and thus human life in mid-high latitude regions. As one of the areas most affected by global warming, Northeast China has suffered from a series of ecological crises, including warming-induced water deficits, permafrost thaw, and extended growing seasons. The change in annual average temperature (annual T) variations in Northeast China since the Industrial Revolution are still not fully understood, mainly because of the lack of long-term instrumental data and high-resolution annual T reconstructions. Here, we present the first annual T reconstruction (r = −0.683, p <.001, n = 60) for 1818–2012 in Northeast China, which may also be the first temperature reconstruction based on tree-ring δ18O in China. The reconstruction is significantly related to temperature variations over mid-high latitude Eurasia and agree (p <.01) with several long-term hydroclimatic reconstructions in the surrounding area. When the internal variability in the reconstruction was high, the decadal to multidecadal cycles were significant. Further analysis found that the reconstruction was mainly affected by the East Asian Summer Monsoon (EASM) and North Atlantic Oscillation (NAO). The reconstruction was significantly negatively correlated with several time series of annual T in the Northern Hemisphere, which showed that there is a substantial difference in annual T between Northeast China and other regions of the Northern Hemisphere. The difference mainly existed before the 1950s. From the 1850s to the 1950s, the annual T in Northeast China decreased slightly. However, extreme warming began in the 1950s in Northeast China, and this warming has been unprecedented during the past two centuries. If the warming trend since the 1950s continues, then it will lead to devastating disasters to forest and permafrost ecosystems in Northeast China.

    DOI: 10.1016/j.scitotenv.2020.141432

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  47. Unstable relationship between tree-ring delta O-18 in the transitional zone of the Asian summer monsoon and the Indian summer monsoon Reviewed International coauthorship International journal

    Fan Haowen, Gou Xiaohua, Su Jiajia, Liu Wenhuo, Gao Linlin, Nakatsuka Takeshi, Li Zhen, Sano Masaki, Lin Wei

    JOURNAL OF HYDROLOGY   Vol. 590   2020.11

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    The Asian Summer Monsoon system (ASM) affects a large population in the monsoonal Asia. Previous studies have thoroughly discussed the temporally unstable response of tree-ring oxygen isotope (δ18O) to the regional climate variables and ocean–atmosphere interaction modes, however, the response to the ASM remains ambiguous. In this study, an annually resolved tree-ring δ18O chronology is developed from eastern Yunnan-Guizhou Plateau, in the transitional zone of the ASM. Based on the results from response analyses, the climatic controls of tree-ring δ18O is considered to be the moisture-related variables of the monsoon season. Spatial correlations suggest that in the study area, the water vapor is mainly originated from the Bay of Bengal and transported by the Indian Summer Monsoon (ISM). Furthermore, the temporal stability in relationships between the tree-ring δ18O and the ISM variability are explored. Our findings suggest that on interannual to decadal timescales, the tree-ring δ18O is significantly anti-correlated, but temporally unstable with respect to the ISM. The strength of interannual relationship is affected by the ISM intensity, which is modulated by the El Niño-Southern Oscillation (ENSO) and the Indian Ocean Dipole (IOD) variability. Moreover, the strength of decadal relationship is associated with the phase shift of the Pacific Decadal Oscillation (PDO). Additionally, the decreasing trend of tree-ring δ18O after the late 1970 s that diverges from the simultaneous normal level of the ISM is caused by the isotopically-depleted trend in upstream precipitation of the moisture source. The opposite patterns of correlations between the tree-ring δ18O and the ENSO and IOD in recent decades demonstrate that the regional hydroclimate in the study region has been undergoing significant secular variations that are characterised by an increasing effect of the IOD and a decreasing effect of the ENSO. The findings from this study further improve our understanding of the tree-ring δ18O response to the ASM, at multi-time scales, and shed light on the impact of the ASM on regional hydroclimate variability, across the transitional zone of the ASM.

    DOI: 10.1016/j.jhydrol.2020.125522

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  48. Synchronizations of tree-ring delta O-18 time series within and between tree species and provinces in Korea: a case study using dominant tree species in high elevations Reviewed International coauthorship International journal

    Choi En-Bi, Sano Masaki, Park Jun-Hui, Kim Yo-Jung, Li Zhen, Nakatsuka Takeshi, Hakozaki Masataka, Kimura Katsuhiko, Jeong Hyun-Min, Seo Jeong-Wook

    JOURNAL OF WOOD SCIENCE   Vol. 66 ( 1 )   2020.7

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Journal of Wood Science  

    The current study was initiated to test the synchronizations of tree-ring δ18O (hereafter δ18OTR) time series within and between tree species and provinces, which are about 144 km apart from each other in Korea. For the test, a 50-year δ18OTR time series (1966–2015) was developed using four trees from each tree species which are Pinus densiflora and Quercus mongolica from Songnisan National Park and Taxus cuspidata, Pinus koraiensis, Abies koreana, and Quercus mongolica from Jirisan National Park. Their synchronizations were evaluated using t-value, Gleichläufigkeit (Glk), and Expressed Population Signal (EPS). The mean t-values and Glk scores within the tree species ranged 5.2–11.2 (p < 0.05) and 69–83%, and between the tree species ranged 6.1–13.2 (p < 0.05) and 73–81%, respectively. The mean t-value and Glk score between the regions were 4.3 (p < 0.05) and 72%, respectively. Furthermore, the EPS showed higher than 0.85, which is the generally accepted threshold value in dendrochronology, except for Q. mongolica at Songnisan National Park for which the value is 0.83 calculated by only two δ18OTR time series. Based on the statistical results, we concluded that a δ18OTR chronology established using more than four trees could serve as a promising reference for dating an undated wood without considering the tree species, as well as for research on climate in the past.

    DOI: 10.1186/s10086-020-01901-3

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  49. An assessment of diatom assemblages in the Sea of Okhotsk as a proxy for sea-ice cover Reviewed International coauthorship International journal

    Nakamura H

    Journal of Micropalaeontology   Vol. 39 ( 1 ) page: 77 - 92   2020.6

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:COPERNICUS GESELLSCHAFT MBH  

    Knowledge of past variations in sea-ice extent is crucial for understanding the relationship between climate change and changes in sea ice. Diatom assemblages could be applied as a proxy for paleo-sea-ice extent; this requires accurate information on the modern species that are indicative of sea ice. Scanning electron microscope observations were performed on modern diatom assemblages in sea ice, sinking particles, and surface sediments in the Sea of Okhotsk. A sea-ice sample was collected in the southwestern Sea of Okhotsk near Hokkaido island in February 2013. Fragilariopsis cylindrus was the dominant diatom species in the sea-ice sample, accounting for 87% of the total diatom assemblage. Time-series sediment traps were deployed during 1998-2000 at two stations, M4 and M6, off Sakhalin island. Total diatom fluxes ranged from 10(5) to 10(8) valves m(-2) d(-1) with noticeable seasonality. During the sea-ice covering period, the total diatom flux decreased by 1 or 2 orders of magnitude. The highest diatom fluxes were observed in spring and summer. The diatom species composition in sinking particles also showed pronounced seasonal changes. During summer and fall, the Shionodiscus trifultus group and Neodenticula seminae were the major diatom taxa. During the sea-ice covering period, Fragilariopsis cylindrus and Bacterosira bathyomphala resting spores were abundant. Both the sea-ice-related species showed similar flux patterns except for the spring bloom after sea-ice retreat: F. cylindrus fluxes exhibited pronounced spring bloom peaks of 10(8) valves m(-2) d(-1); in contrast, the fluxes of Bacterosira bathyomphala resting spores during the spring bloom were 1 order of magnitude lower than those of F. cylindrus. Surface-sediment core XP98-MC4 was obtained near station M6 sediment-trap site off Sakhalin island. The relative abundance of Fragilariopsis cylindrus in the surface-sediment diatom assemblage was only 6.4 %, markedly lower than that in the sediment-trap samples (43.4 %). In the surface sediment, the relative abundances of diatom taxa with heavily silicified valves such as B. bathyomphala resting spores, Shionodiscus variantius, and Thalassionema nitzschioides were greater than their relative abundances in sinking particles.

    DOI: 10.5194/jm-39-77-2020

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  50. A 338-year tree-ring oxygen isotope record from Thai teak captures the variations in the Asian summer monsoon system. Reviewed International coauthorship International journal

    Pumijumnong N, Bräuning A, Sano M, Nakatsuka T, Muangsong C, Buajan S

    Scientific reports   Vol. 10 ( 1 ) page: 8966   2020.6

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    DOI: 10.1038/s41598-020-66001-0

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  51. Oxygen stable isotopes of a network of shrubs and trees as high-resolution plaeoclimatic proxies in Northwestern China. Reviewed International coauthorship International journal

    Qiang Li, Yu Liu, Takeshi Nakatsuka, Qi-Bin Zhang, Keiko Ohnishi, Akiko Sakai, Osamu Kobayashi, Yingnan Pan, Huiming Song, Ruoshi Liu, Changfeng Sun, Congxi Fang

    Agricultural and Forest Meteorology   Vol. 285   2020.5

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    DOI: 10.1016/j.agrformet.2020.107929

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  52. Climate variability over the past 100 years in Myanmar derived from tree-ring stable oxygen isotope variations in Teak Reviewed International coauthorship International journal

    Pumijumnong, N, Muangsong, C, Buajan, S, Sano, M, Nakatsuka, T

    Theoretical and Applied Climatology   Vol. 139 ( 3-4 ) page: 1401 - 1414   2020.2

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    DOI: 10.1007/s00704-019-03036-y

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  53. 酸素同位体比年輪年代法-高精度編年への挑戦 Invited

    中塚 武

    季刊考古学   Vol. 150   page: 142-145   2020.2

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  54. Reconstruction of multi-millennial summer climate variations in central Japan by integrating tree-ring cellulose oxygen and hydrogen isotope ratios Reviewed International coauthorship International journal

    Nakatsuka, T, Sano, M, Li, Z, Xu, C, Tsushima, A, Shigeoka, Y, Sho, K, Ohnishi, K, Sakamoto, M, Ozaki, H, Higami, N, Nakao, N, Yokoyama, M, Mitsutani, T

    Climate of the Past Discussion     2020.2

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    DOI: 10.5194/cp-2020-6

  55. Specific response of earlywood and latewood δ18O from the east and west of Mt. Qomolangma to the Indian summer monsoon. Reviewed International coauthorship International journal

    An W, Xu C, Liu X, Tan N, Sano M, Li M, Shao X, Nakatsuka T, Guo Z

    The Science of the total environment   Vol. 689   page: 99 - 108   2019.11

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    DOI: 10.1016/j.scitotenv.2019.06.268

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  56. Oxygen isotope ratios of subalpine conifers in Jirisan National Park, Korea and their dendroclimatic potential. Reviewed International coauthorship International journal

    Jeong-Wook Seo, Masaki Sano, Hyun-Min Jeong, Kwang-Hee Lee, Hong-Chul Park, Takeshi Nakatsuka, Chang-Seob Shin

    Dendrochronologia   Vol. 57   2019.10

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    DOI: 10.1016/j.dendro.2019.125626

  57. Sampling strategy and climatic implication of tree-ring cellulose oxygen isotopes of Hippophae tibetana and Abies georgei on the southeastern Tibetan Plateau. International coauthorship International journal

    Xu C, Zhu H, Nakatsuka T, Sano M, Li Z, Shi F, Liang E, Guo Z

    International journal of biometeorology   Vol. 63 ( 5 ) page: 679 - 686   2019.5

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    DOI: 10.1007/s00484-017-1365-6

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  58. Increased drought events in southwest China revealed by tree ring oxygen isotopes and potential role of Indian Ocean Dipole. Reviewed International coauthorship International journal

    Xu C, An W, Wang SS, Yi L, Ge J, Nakatsuka T, Sano M, Guo Z

    The Science of the total environment   Vol. 661   page: 645 - 653   2019.4

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    DOI: 10.1016/j.scitotenv.2019.01.186

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  59. Increased variability of Thailand's Chao Phraya River peak-season flow and its association with ENSO variability: Evidence from tree ring δ18O. Reviewed International coauthorship International journal

    Chenxi Xu, Brendan M. Buckley, Parichart, Promchote, S. Y, Simon Wang, Nathsuda Pumijumnong, Wenling An, Masaki Sano, Takeshi Nakatsuka, Zhengtang Guo

    Geophysical Research Letters     2019.4

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    DOI: 10.1029/2018GL081458

  60. 島根県出土材の酸素同位体比年輪年代法による年代決定

    中塚 武

    古代文化研究(島根県古代文化センター)   Vol. 27   page: 1 - 16   2019

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  61. 酸素同位体比年輪年代法による高屋敷館遺跡東壕橋脚の年代検証

    木村 勝彦, 佐野 雅規, 中塚 武

    青森市埋蔵文化財調査報告書   Vol. 124   page: 77 - 80   2019

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  62. Cellulose oxygen isotopic composition of teak (Tectona grandis) collected from Java Island: a tool for dendrochronological and dendroclimatological analysis International coauthorship International journal

    Hisamochi Ryo, Watanabe Yumiko, Sano Masaki, Nakatsuka Takeshi, Kurita Naoyuki, Matsuo-Ueda Miyuki, Yamamoto Hiroyuki, Tazuru Suyako, Sugiyama Junji, Subiyanto Bambang, Marsoem Sri Nugroho, Tsuda Toshitaka, Tagami Takahiro

    DENDROCHRONOLOGIA   Vol. 52   page: 80 - 86   2018.12

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:ELSEVIER GMBH, URBAN & FISCHER VERLAG  

    The oxygen isotopic composition (delta O-18) of tree-ring cellulose has been recognized as a powerful tool for dendroclimatological and dendrochronological investigations in Asia. Only a few studies of cellulose delta O-18 so far published, however, have been conducted in Indonesia, and the spatial coherence of cellulose delta O-18 has yet to be clarified. In this study we measured cellulose delta O-18 of teak (Tectona grandis) collected from four sites on Java Island to evaluate the similarity between the different teak delta O-18 values and the potential for using teak delta O-18 both as a climate proxy and as a tool for cross-dating. Cellulose delta O-18 time series of Javanese teaks were found to be significantly correlated in all of the comparisons between sites, even between sites separated by a distance as great as 400 km. While significant correlations did not appear in the ring width data between our samples (expressed population signal (EPS) = 0.64; Rbar = 0.23; sample depth = 10), they were found between the cellulose delta O-18 values (EPS = 0.89; Rbar = 0.58; sample depth = 10). These results suggest that teak delta O-18 variations have higher spatial coherence and might be a useful tool for cross-dating. A significant negative correlation was observed between cellulose delta O-18 and the relative humidity/precipitation during the rainy season, indicating that the cellulose delta O-18 of Javanese teak is an effective proxy for relative humidity/precipitation during the rainy season. Cellulose delta O-18 was found to be positively correlated with precipitation during the dry season preceding the growing season, whereas it showed no correlations with the temperature and Palmer Drought Severity Index (PDSI), the key constraints of delta O-18 on the Indochina Peninsula.

    DOI: 10.1016/j.dendro.2018.09.010

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  63. East Asian Summer Monsoon moisture sustains summer relative humidity in the southwestern Gobi Desert, China: evidence from δ18O of tree rings. Reviewed

    Qiang Li, Yu Liu, Takeshi Nakatsuka, Keyan Fang, Huiming Song, Ruoshi Liu, Changfeng Sun, Gang Li, Ke Wang

    Climate Dynamics     2018.10

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    DOI: doi.org/10.1007/s00382-018-4515-6

  64. Evaluation of the effect of the 2011 Tsunami on coastal forests by means of multiple isotopic analyses of tree-rings. International coauthorship International journal

    Lopez Caceres ML, Nakano S, Ferrio JP, Hayashi M, Nakatsuka T, Sano M, Yamanaka T, Nobori Y

    Isotopes in environmental and health studies   Vol. 54 ( 5 ) page: 494 - 507   2018.10

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    DOI: 10.1080/10256016.2018.1495203

    PubMed

  65. Inter-annual and multi-decadal variability of monsoon season rainfall in central Thailand during the period of 1804-1999-inferred from tree ring oxygen isotopes. Reviewed

    Chenxi Xu, Nathsuda Pumijumnong, Takeshi Nakatsuka, Masaki Sano, Zhengtang Guo

    International Journal of Climatology   Vol. 38 ( 15 ) page: 5766-5776   2018.9

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    DOI: doi.org/10.1002/joc.5859

  66. Decreasing Indian summer monsoon on the northern Indian sub-continent during the last 180 years: evidence from five tree-ring cellulose oxygen isotope chronologies. Reviewed

    Chenxi Xu, Masaki Sano, Ashok Priyadarshan Dimri, Rengaswamy Ramesh, Takeshi Nakatsuka, Feng Shi, and Zhengtang Guo

    Climate of the Past   Vol. 14   page: 653-664   2018.5

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    DOI: doi.org/10.5194/cp-14-653-2018

  67. Early summer precipitation in the lower Yangtze River basin for AD 1845-2011 based on tree-ring cellulose oxygen isotopes Reviewed

    Chenxi Xu, Jiangfeng Shi, Yesi Zhao, Takeshi Nakatsuka, Masaki Sano, Shiyuan Shi and Zhengtang Guo

    Climate Dynamics     2018.4

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    DOI: doi.org/10.1007/s00382-018-4212-5

  68. 多賀城跡出土西辺柵木の樹種 Invited

    箱崎真隆・木村勝彦・中塚 武

    多賀城跡(宮城県多賀城跡調査研究所年報)   Vol. 2017   page: 40-41   2018.3

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  69. 年輪酸素同位体比分析による多賀城跡西辺の柵木の年代決定 Invited

    斉藤颯人, 木村勝彦, 箱崎真隆, 佐野雅規, 對馬あかね, 李 貞, 中塚 武

    多賀城跡(宮城県多賀城跡調査研究所年報)   Vol. 2017   page: 42-45   2018.3

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  70. 三内丸山遺跡出土木材の酸素同位体分析 Invited

    小林謙一・木村勝彦・佐野雅規・箱崎真隆・中塚 武

    特別史跡三内丸山遺跡 年報   Vol. 21   page: 43-61   2018.3

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  71. Age determination on a catastrophic rock avalanche using tree-ring oxygen isotope ratios - the scar of a historical gigantic earthquake in the Southern Alps, central Japan Reviewed

    Ryuji Yamada, Yoshihiko Kariya, Takashi Kimura, Masaki Sano, Zhen LI, Takeshi Nakatsuka

    Quaternary Geochronology   Vol. 44   page: 47-54   2018.3

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  72. 樹木年輪セルロースの酸素同位体比が明らかにした日本史の背後にある気候変動.

    中塚 武

    海洋化学研究   Vol. 31   page: 101 - 106   2018

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  73. Relationship between the Northern Paciic Gyre Oscillation and tree-ring cellulose oxygen isotopes in northeastern Japan. Reviewed

    Wataru Sakashita, Hiroko Miyahara, Yusuke Yokoyama, Takahiro Aze, Stephen P. Obrochta and Takeshi Nakatsuka

    Geoscience Letter   Vol. 4 ( 29 )   2017.12

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    DOI: doi.org/10.1186/s40562-017-0095-2

  74. Fine structure and reproducibility of radiocarbon ages of middle to early modern Japanese tree rings. Reviewed

    Minoru Sakamoto, Masataka Hakozaki, Nanae Nakao and Takeshi Nakatsuka

    Radiocarbon   Vol. 59   page: 1907-1917   2017.12

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  75. 高分解能古気候データを『日本書紀』の解釈に利用する際の留意点 Invited

    中塚 武

    日本書紀研究   Vol. 32   page: 155-171   2017.11

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  76. Negligible local-factor influences on tree ring cellulose δ18O of Qilian juniper in the Animaqing Mountains of the eastern Tibetan Plateau. Reviewed

    Chenxi Xu, Xuemei Shao, Wenling An, Takeshi Nakatsuka, Yong Zhang, Masaki Sano and Zhengtang Guo

    Tellus B: Chemical and Physical Meteorology   Vol. 69   page: 1391663   2017.11

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    DOI: doi.org/10.1080/16000889.2017.1391663

  77. 原始・古代史の時間認識と気候変動 Invited

    中塚 武

    歴博   Vol. 204   page: 15-18   2017.9

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  78. Reconstruction of short and long term variations of summer precipitation in central Japan by integrating of oxygen and hydrogen isotope ratios of tree ring cellulose

    Nakatsuka Takeshi, Sano Masaki, Li Zhen, Tsushima Akane, Shigeoka Yuki

    Abstracts of Annual Meeting of the Geochemical Society of Japan   Vol. 64 ( 0 )   2017.9

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    DOI: 10.14862/geochemproc.64.0_15

  79. Moisture source signals preserved in a 242-year tree-ring δ18O chronology in the western Himalaya. Reviewed

    Masaki Sano, A P Dimri, R. Ramesh, Chenxi Xu, Zhen Li, Takeshi Nakatsuka

    Global and Planetary Change   Vol. 157   page: 73-82   2017.8

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    DOI: doi.org/10.1016/j.gloplacha.2017.08.009

  80. Hydroclimate reconstruction in central Japan over the past four centuries from tree-ring cellulose δ18O. Reviewed

    Wataru Sakashita, Hiroko Miyahara, Yusuke Yokoyama, Takahiro Aze, Takeshi Nakatsuka, Yasuharu Hoshino, Motonari Ohyama, Hitoshi Yonenobu, Keiji Takemura

    Quaternary International     2017.6

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    DOI: doi.org/10.1016/j.quaint.2017.06.020

  81. Assessment of sungkai tree-ring delta O-18 proxy for paleoclimate reconstruction in western Java, Indonesia Reviewed International coauthorship International journal

    Harada Mao, Watanabe Yumiko, Nakatsuka Takeshi, Tazuru-Mizuno Suyako, Horikawa Yoshiki, Subiyanto Bambang, Sugiyama Junji, Tsuda Toshitaka, Tagami Takahiro

    QUATERNARY INTERNATIONAL   Vol. 432   page: 33 - 38   2017.3

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    DOI: 10.1016/j.quaint.2015.03.038

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    Scopus

  82. 気候変動が古代日本人に与えたインパクト Invited

    中塚 武

    科学   Vol. 87   page: 140-148   2017.2

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  83. 高分解能古気候データから始まる新しい災害史研究の方向性 Invited Reviewed

    中塚 武

    国立歴史民俗博物館研究報告   Vol. 203   page: 9-26   2016.12

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  84. Analysis of the interdecadal variability of summer precipitation in central Japan using a reconstructed 106-year-long oxygen isotope record from tree-ring cellulose. Reviewed

    Naoyuki Kurita, Takeshi Nakatsuka, Keiko Ohnishi, Takumi Mitsutani and Tomo'omi Kumagai

    Journal of Geophysical Research-Atmosphere   Vol. 121 ( 20 ) page: 12089-12107   2016.10

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    DOI: doi: 10.1002/2016JD025463

  85. 高分解能古気候データを用いた新しい歴史学研究の可能性 Invited Reviewed

    中塚 武

    日本史研究   Vol. 646   page: 3-18   2016.6

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  86. 日本近世における年貢上納と気候変動-近世史研究における古気候データ活用の可能性をさぐる- Invited Reviewed

    鎌谷かおる・佐野雅規・中塚 武

    日本史研究   Vol. 646   page: 36-56   2016.6

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  87. 酸素同位体比年輪年代法がもたらす新しい考古学研究の可能性 Invited

    中塚 武

    考古学研究   Vol. 62   page: 17-30   2015.9

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  88. 稲沢市下津宿遺跡出土井戸枠の酸素同位体比年輪年代測定結果について

    樋上 昇・中塚 武・大石恭平

    愛知県埋蔵文化財センター研究紀要   Vol. 16   page: 49-68   2015.5

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  89. 平家はなぜ滅んだのか-気候変動という視点 Invited

    中塚 武

    HUMAN   Vol. 7   page: 132-141   2014

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  90. A 400-year record of hydroclimate variability and local ENSO history in northern Southeast Asia inferred from tree-ring δ18O Reviewed

    Xu, C., M. Sano and T. Nakatsuka

    Palaeogeography, Palaeoclimatology, Palaeoecology   Vol. 386   page: 588-598   2013.9

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  91. Fe/Al ratio of suspended particulate matter from intermediate water in the Okhotsk Sea: Implications for long-distance lateral transport of particulate Fe Reviewed

    Shigemitsu, M., J. Nishioka, Y. W. Watanabe, Y. Yamanaka, T. Nakatsuka, Y. N. Volkov

    Marine Chemistry   Vol. 157   page: 41-48   2013.8

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  92. Decadal time evolution of ocean uptake of anthropogenic carbon in the Okhotsk Sea Reviewed

    Watanabe Y. W., J. Nishioka and T. Nakatsuka

    Geophysical Research Letter   Vol. 40   2013

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    DOI: 10.1002/grl.50113

  93. Summer precipitation in the Bhutan Himalaya since 1743 CE as reconstructed from tree-ring cellulose δ18O Reviewed

    Sano, M., P. Tshering, J. Komori, K. Fujita, C. Xu and T. Nakatsuka

    Journal of Geophysical Research   Vol. 118   page: 1-12   2013

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    DOI: doi:10.1002/jgrd.50664

  94. Availability of particulate Fe to phytoplankton in the Sea of Okhotsk Reviewed

    Sugie, K., J. Nishioka, K. Kuma, Y. N. Volkov and T. Nakatsuka

    Marine Chemistry   Vol. 152   page: 20-31   2013

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  95. Continental-scale temperature variability during the last two millennia Reviewed

    M. Ahmed, K. J. Anchukaitis, A. Asrat, H. P. Borgaonkar, M. Braida, B. M. Buckley, U. Büntgen, B. M. Chase, D. A. Christie, E. R. Cook, M. A. J. Curran, H. F. Diaz, J. Esper, Z. Fan, N. P. Gaire, Q. Ge, J. Gergis, J. F. González-Rouco, H. Goosse, S. W. Grab, N. Graham, R. Graham, M. Grosjean, S. T. Hanhijärvi, D. S. Kaufman, T. Kiefer, K. Kimura, A. A. Korhola, P. J. Krusic, A. Lara, A-M. Lézine, F. C. Ljungqvist, A. M. Lorrey, J. Luterbacher, V. Masson-Delmotte, D. McCarroll, J. R. McConnel, N. P. McKay, M. S. Morales, A. D. Moy, R. Mulvaney, I. A. Mundo, T. Nakatsuka, D. J. Nash, R. Neukom, S. E. Nicholson, H. Oerter, J. G. Palmer, S. J. Phipps, M. R. Prieto, A. Rivera, M. Sano, M. Severi, T. M. Shanahan, X. Shao, F. Shi, M. Sigl, J. E. Smerdon, O. N. Solomina, E. J. Steig, B. Stenni, M. Thamban, V. Trouet, C. S.M. Turney, M. Umer, T. van Ommen, D. Verschuren, A. E. Viau, R. Villalba, B. M. Vinther, L. von Gunten, S. Wagner, E. R. Wahl, H. Wanner, J. P. Werner, J. W. C. White, K. Yasue, E. Zorita

    Nature Geoscience   Vol. 6   page: 339-346   2013

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  96. Influence of Amur River discharge on phytoplankton 1 photophysiology in the Sea of Okhotsk during late summer Reviewed

    Isada, T., T. Iida, H. Liu, S. Saitoh, J. Nishioka, T. Nakatsuka and K. Suzuki

    Journal of Geophysical Research   Vol. 118   page: 1995-2013   2013

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  97. Comparison of the dryness/wetness index in China with the Monsoon Asia Drought Atlas. Reviewed

    Yang, F., F. Shi, S. Kang, S. Wang, Z. Xiao, T. Nakatsuka and J. Shi

    Theoretical and Applied Climatology     2013

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    DOI: 10.1007/s00704-013-0858-4

  98. Comparison of Sungkai Tree-Ring Components and Meteorological Data from Western Java, Indonesia Reviewed

    Watanabe, Y., S. Tamura, T. Nakatsuka, S. Tazuru, J. Sugiyama, B. Subiyanto, T. Tsuda, and T. Tagami

    Journal of Disaster Research   Vol. 8   page: 95-102   2013

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  99. Intensive mixing along an island chain controls oceanic Reviewed

    Nishioka, J., T. Nakatsuka, Y. W. Watanabe, I. Yasuda, K. Kuma, H. Ogawa, N. Ebuchi, A. Scherbinin, Y. N. Volkov, T. Shiraiwa and M. Wakatsuchi

    Global Biogeochemical Cycles   Vol. 27   page: 1-10   2013

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    DOI: 10.1002/gbc.20088

  100. Tree-ring reconstructed summer temperature anomalies for temperate East Asia since 800 C.E Reviewed

    Cook, E. R., P. J. Krusic, K. J. Anchukaitis, B. M. Buckley, T. Nakatsuka, M. Sano and PAGES Asia2k Members

    Climate Dynamics   Vol. 39   2012

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    DOI: 10.1007/s00382-012-1611-x

  101. A 300-year Vietnam hydroclimate and ENSO variability record reconstructed from tree-ring d18O Reviewed

    Sano, M., C. Xu and T. Nakatsuka

    Journal of Geophysical Research   Vol. 117   2012

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    DOI: 10.1029/2012JD017749

  102. Sea surface temperature changes in the Okhotsk Sea and adjacent North Pacific during the last glacial maximum and deglaciation Reviewed

    Harada, N., M. Sato, O. Seki, A. Timmermann, H. Moossen, J. Bendle, Y. Nakamura, K. Kimoto, Y. Okazaki, K. Nagashima, S. A. Gorbarenko, A. Ijiri, T. Nakatsuka, L. Menviel, M. O. Chikamoto, A. Abe-Ouchi, S. Schouten

    Deep-Sea Research II   Vol. 61-64   page: 93–105   2012

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  103. Assessment for paleoclimatic utility of terrestrial biomarker record in the Okhotsk Sea sediments Reviewed

    Seki, O., N. Harada, M. Sato, A. Ijiri and T. Nakatsuka

    Deep Sea Research II   Vol. 61–64   page: 85–92   2012

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  104. Regional hydroclimate and precipitation d18O revealed in tree-ring cellulose d18O from different tree species in semi-arid Northern China Reviewed

    Li, Q., T. Nakatsuka, K. Kawamura, Y. Liu and H. Song

    Chemical Geology   Vol. 282   page: 19-28   2011

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    DOI: 10.1016/j.chemgeo.2011.01.004

  105. Hydroclimate variability in the North China Plain and its link with El Nino-Southern Oscillation since 1784 A.D. Insights from tree-ring cellulose d18O Reviewed

    Li, Q, T. Nakatsuka, K. Kawamura, Y. Liu, H. Song

    Journal of Geophysical Research   Vol. 116   2011

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    DOI: 10.1029/2011JD015987

  106. Tree-ring cellulose δ18O of Fokienia hodginsii in Northern Laos: a promising proxy to reconstruct ENSO? Reviewed

    Xu, C., M. Sano, T. Nakatsuka

    Journal of Geophysical Research   Vol. 116   2011

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    DOI: 10.1029/2011JD016694

  107. Plant-wax hydrogen isotopic evidence for postglacial variations in delivery of precipitation in the monsoon domain of China Reviewed

    Seki, O., P. A. Meyers, S. Yamamoto, K. Kawamura, T. Nakatsuka, W. Zhou, Y. Zheng

    Geology   Vol. 39   page: 875-878   2011

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  108. Strong vertical mixing in the Urup Strait Reviewed

    Itoh, S., I. Yasuda, M. Yagi, S. Osafune, H. Kaneko, J. Nishioka, T. Nakatsuka and Y. N. Volkov

    Geophysical Research Letters   Vol. 38   2011

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    DOI: 10.1029/2011GL048507

  109. 地球環境の将来予測のための古環境研究の役割―過去1000年間からの教訓― Invited

    中塚 武

    月刊海洋   Vol. 42   page: 133-141   2010

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  110. 古環境科学の統合と地球環境の将来予測 Invited

    中塚 武

    月刊海洋   Vol. 42   page: 131-132   2010

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  111. Seasonal changes in relative humidity recorded by intra-ring variations in oxygen isotopic ratio of tree-ring cellulose Reviewed

    Nakatsuka, T., K. Ohnishi and Y. Takahashi

    "Earth, Life and Isotope", edited by N. Ohkouchi, I. Tayasu and K. Koba, Kyoto University Press, Kyoto     page: 291-301   2010

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  112. Fine- and microstructure observations in the Urup Strait, Kuril Islands, during August of 2006 Reviewed

    Itoh, S., I. Yasuda, T. Nakatsuka, J. Nishioka and Y. N. Volkov

    Journal of Geophysical Research   Vol. 115   page: C08004, doi:10.1029/ 2009JC005629   2010

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  113. Compound-specific n-alkane δ13C and δD approach for assessing source and delivery processes of terrestrial organic matter within a forested watershed in northern Japan Reviewed

    Seki, O., T. Nakatsuka, H. Shibata and K. Kawamura

    Geochimica et Cosmochimica Acta   Vol. 74   page: 599-613   2010

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  114. Synchronized Northern Hemisphere Climate Change and Solar Magnetic Cycles during the Maunder Minimum. Reviewed

    Yamaguchi, Y., Y. Yokoyama, H. Miyahara, K. Sho and T. Nakatsuka

    Proceedings of the National Academy of Sciences of the United States of America   Vol. 107   page: 20697–20702   2010

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  115. Stable carbon isotope ratios of ethane over the North Pacific: atmospheric measurements and global chemical transport modeling Reviewed

    Saito, T., O. Stein, U. Tsunogai, K. Kawamura, T. Nakatsuka, T. Gamo and N. Yoshida

    Journal of Geophysical Research   Vol. 116   page: D02308   2010

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    DOI: 10.1029/2010JD014602

  116. Iron nutritional status of the phytoplankton assemblage in the Okhotsk Sea during summer Reviewed

    Yoshimura, T., J. Nishioka and T. Nakatsuka

    Deep Sea Research I   Vol. 57   page: 1454-1464   2010

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  117. Phytoplankton growth and microzooplankton grazing in the Sea of Okhotsk during late summer of 2006. Reviewed

    Liu, H., K. Suzuki, J. Nishioka, R. Sohrin and T. Nakatsuka

    Deep-Sea Research I   Vol. 56   page: 561-570   2009

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  118. Increases of alkalinity and pH in the Okhotsk Sea during the 1990s and 2000s Reviewed

    Watanabe, Y. W., J. Nishioka, M. Shigemitsu, A. Mimura and T. Nakatsuka

    Geophysical Research Letter   Vol. 36 ( 15 ) page: doi:10.1029/2009GL038520   2009

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  119. Photochemical histories of non-methane hydrocarbons inferred from their stable carbon isotope ratio measurements over East Asia, Reviewed

    Saito, T., K. Kawamura, U. Tsunogai, Tai-Yih Chen, H. Matsueda, T. Nakatsuka, T. Gamo, M. Uematsu and B. J. Huebert

    Journal of Geophysical Research   Vol. 114   page: D11303, doi:10.1029/2008JD011388   2009

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  120. Benthic foraminifera as trophic links between phytodetritus and benthic metazoans: carbon and nitrogen isotopic evidence. Reviewed

    Nomaki, H., N. O. Ogawa, N. Ohkouchi, H. Suga, T. Toyofuku, M. Shimanaga, T. Nakatsuka, and H. Kitazato

    Marine Ecology Progress Series   Vol. 357   page: 153-164   2008

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  121. 内陸と外洋の生態系の河川・陸棚・中層を介した物質輸送による結びつき-2006/2007オホーツク海航海の作業仮説-.

    中塚 武・西岡 純・白岩孝行

    月刊海洋   Vol. 号外50   page: 68-76   2008

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  122. カムチャッカ半島のカラマツ年輪セルロースの水素・酸素同位体比による夏季気温変動の復元.

    中塚 武・大西啓子・原登志彦

    月刊地球   Vol. 30   page: 207-215   2008

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  123. Processes influencing iron distributions in the coastal waters of the Tsugaru Strait, Japan. Reviewed

    Saitoh, Y., K. Kuma, Y. Isoda, H. Kuroda, H. Matsuura, T. Wagawa, H. Takata, N. Kobayashi, S. Nagao and T. Nakatsuka

    Journal of Oceanography   Vol. 64   page: 815-830   2008

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  124. Summer relative humidity in northern Japan inferred from tree-ring d18O (1776-2002 AD)- Influence of paleoclimate indices of atmospheric circulation. Reviewed

    Tsuji, H., T. Nakatsuka, K. Yamazaki and K. Takagi

    Journal of Geophysical Research   Vol. 113   page: D18103, doi:10.1029/2007JD009080.   2008

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  125. Time-series sediment trap record of alkenones from the western Sea of Okhotsk. Reviewed

    Seki, O., T. Nakatsuka, K. Kawamura, S. Saitoh and M. Wakatsuchi

    Marine Chemistry   Vol. 104   page: 253-265   2007

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  126. *Iron supply to the western subarctic Pacific: Importance of iron export from the Sea of Okhotsk. Reviewed

    Nishioka, J., T. Ono, H. Saito, T. Nakatsuka, S. Takeda, T. Yoshimura, K. Suzuki, K. Kuma, S. Nakabayashi, D. Tsumune, H. Mitsudera, W. K. Johnson, and A. Tsuda

    Journal of Geophysical Research   Vol. 112   page: C10012, doi:10.1029/2006JC004055   2007

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  127. Different ingestion patterns of 13C-labeled bacteria and algae by deep-sea benthic foraminifera. Reviewed

    Nomaki, H., P. Heinz, T. Nakatsuka, M. Shimanaga, N. Ohkouchi, N. O. Ogawa, K. Kogure, E. Ikemoto and H. Kitazato

    Marine Ecology Progress Series   Vol. 310   page: 95-108   2006

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  128. 樹木年輪セルロースの酸素同位体比による古気候の復元を目指して.

    中塚 武

    低温科学   Vol. 65   page: 49-56   2006

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  129. 地球温暖化とアイソトープ-同位体古気候学の挑戦-. Invited

    中塚 武

    くらしと放射線   Vol. 19   page: 10-21   2006

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  130. Distribution of N* in the Sea of Okhotsk and its use as a biogeochemical tracer of Okhotsk Sea Intermediate Water formation process. Reviewed

    Yoshikawa, C., T. Nakatsuka and M. Wakatsuchi

    Journal of Marine Systems   Vol. 63   page: 49-62   2006

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  131. Cycladophora davisiana (Radiolaria) in the Okhotsk Sea : a key for reconstructing glacial ocean conditions. Reviewed

    Okazaki, Y., O. Seki, T. Nakatsuka, T. Sakamoto, M. Ikehara and K. Takahashi

    Journal of Oceanography   Vol. 62   page: 639-648   2006

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  132. Nitrate-nitrogen isotopic patterns in surface waters of the western and central equatorial Pacific. Reviewed

    Yoshikawa, C., Y. Yamanaka and T. Nakatsuka

    Journal of Oceanography   Vol. 62   page: 511-525   2006

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  133. d18O of tree-rings cellulose in two species (spruce and oak) as proxies of precipitation amount and relative humidity in Northern Japan. Reviewed

    Tsuji, H., T. Nakatsuka and K. Takagi

    Chemical Geology   Vol. 231   page: 67-76   2006

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    Language:English   Publishing type:Research paper (scientific journal)  

  134. Fluxes, source and transport of organic matter in the western Sea of Okhotsk: stable carbon isotopic ratios of n-alkanes and total organic carbon. Reviewed

    Seki, O., C. Yoshikawa, T. Nakatsuka, K. Kawamura and M. Wakatsuchi

    Deep-Sea Research I   Vol. 53   page: 253-270   2006

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  135. Species-specific ingestion of organic carbon by deep-sea benthic foraminifera and meiobenthos: In situ tracer experiments. Reviewed

    Nomaki, H., P. Heinz, T. Nakatsuka, M. Shimanaga and H. Kitazato

    Limnology and Oceanography   Vol. 50   page: 134-146   2005

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  136. Ice-rafted debris (IRD) based sea-ice expansion events during the past 100 kyrs in the Okhotsk Sea. Reviewed

    Sakamoto, T., M. Ikehara, K. Aoki, K. Iijima, N. Kimura, T. Nakatsuka and M. Wakatsuchi

    Deep-Sea Research II   Vol. 52   page: 2275-2301   2005

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  137. Transition of low-salinity water in the Western Pacific Warm Pool recorded in the nitrogen isotopic ratios of settling particles. Reviewed

    Yoshikawa, C., T. Nakatsuka and H. Kawahata

    Geophysical Research Letter   Vol. 32   page: L14615, doi:10.1029/2005GL023103   2005

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  138. Shock-induced isotope evolution of hydrogen and carbon in meteorites. Reviewed

    Mimura, K., M. Okamoto, T. Nakatsuka, K. Sugitani, and O. Abe

    Geophysical Research Letter   Vol. 32   page: L08710, doi:10.1029/2004GL022177   2005

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  139. Decreased surface salinity in the Sea of Okhotsk during the last glacial period estimated from alkenones, Reviewed

    Seki, O., K. Kawamura, T. Sakamoto, M. Ikehara, T. Nakatsuka, and M. Wakatsuchi

    Geophysical Research Letter   Vol. 32   page: L08710, doi:10.1029/2004GL022177   2005

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  140. An ecosystem model including nitrogen isotopes: Perspectives on a study of the marine nitrogen cycle. Reviewed

    Yoshikawa, C., Y. Yamanaka and T. Nakatsuka

    Journal of Oceanography   Vol. 61   page: 921-942   2005

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  141. *Oxygen and carbon isotopic ratios of tree-ring cellulose in a conifer-hardwood mixed forest in northern Japan. Reviewed

    Nakatsuka, T., K. Ohnishi, T. Hara, A. Sumida, D. Mitsuishi, N. Kurita and S. Uemura

    Geochemical Journal   Vol. 38   page: 77-88   2004

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  142. 過去の生物生産と物質循環

    中塚 武(2004):

    月刊 地球   Vol. 号外 44   page: 117-121   2004

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  143. In situ measurement of butane and pentane isomers over the subtropical North Pacific. Reviewed

    Saito, T., K. Kawamura, T. Nakatsuka and B. J. Huebert

    Geochemical Journal   Vol. 38   page: 397-404   2004

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  144. *Dissolved and particulate organic carbon in the Sea of Okhotsk: Transport from continental shelf to ocean interior. Reviewed

    Nakatsuka, T., M. Toda, K. Kawamura and M. Wakatsuchi

    Journal of Geophysical Research   Vol. 109   page: C09S14, doi:10.1029/2003JC001909.   2004

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  145. *Biogenic and lithogenic particle flux in the western region of the Sea of Okhotsk: Implications for lateral material transport and biological productivity. Reviewed

    Nakatsuka, T., T. Fujimune, C. Yoshikawa, S. Noriki, K. Kawamura, Y. Fukamachi, G. Mizuta and M. Wakatsuchi

    Journal of Geophysical Research   Vol. 109   page: C09S13, doi:10.1029/2003JC001908   2004

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  146. Reconstruction of paleoproductivity in the Sea of Okhotsk over the last 30 kyrs. Reviewed

    Seki, O., M. Ikehara, K. Kawamura, T. Nakatsuka, K. Ohnishi, M. Wakatsuchi, H. Narita and T. Sakamoto

    Paleoceanography   Vol. 19   page: PA1016, doi:10.1029/2002PA000808   2004

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  147. Variation of alkenone sea surface temperature in the Sea of Okhotsk over the last 85 kyrs. Reviewed

    Seki, O., K. Kawamura, M. Ikehara, T. Nakatsuka and T. Oba

    Organic Geochemistry   Vol. 35   page: 347-354   2004

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  148. Particle dynamics in the deep water column of Sagami Bay, Japan- I: Origins of apparent flux of sinking particles. Reviewed

    Nakatsuka, T., T. Masuzawa, J. Kanda, H. Kitazato, Y. Shirayama, M. Shimanaga and A. Yamaoka

    Progress in Oceanography   Vol. 57   page: 31-45   2003

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  149. Long-term monitoring of the sedimentary process at the central part of Sagami Bay, Japan: Rationale, logistics and overview of results. Reviewed

    Kitazato, H., T. Nakatsuka, M. Shimanaga, J. Kanda, W. Soh, Y. Kato, Y. Okada, A. Yamaoka, T. Masuzawa, K. Suzuki, and Y. Shirayama

    Progress in Oceanography   Vol. 57   page: 3-16   2003

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  150. The role of benthic foraminifera in deep-sea food webs at the sediment-water interface: Results from in situ feeding experiments in Sagami bay. Reviewed

    Kitazato, H., H. Nomaki, P. Heinz and T. Nakatsuka

    Frontier Research on Earth Evolution   Vol. 1   page: 227-232   2003

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  151. Sediment core profiles of long-chain n-alkanes in the Sea of Okhotsk: Enhanced transport of terrestrial materials in the last deglacial to the early Holocene. Reviewed

    Seki, O., K. Kawamura, T. Nakatsuka, K. Ohnishi M. Ikehara and M. Wakatsuchi

    Geophysical Research Letter   Vol. 30   page: 10.1029/2001GL014464   2003

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  152. Particle dynamics in the deep water column of Sagami Bay, Japan –II: Seasonal change in profiles of suspended phytodetritus. Reviewed

    Nakatsuka, T., J. Kanda and H. Kitazato

    Progress in Oceanography   Vol. 57   page: 47-57   2003

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  153. 鉛210およびセシウム137から見た相模湾における沈降粒子の振る舞いと堆積フラックス. Reviewed

    加藤義久・中塚 武・増澤敏行・白山義久・嶋永元裕・北里 洋

    日本海水学会誌   Vol. 57   page: 150-165   2003

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  154. Radiolarians under the seasonally sea-ice covered conditions in the Okhotsk Sea: flux and their implications for paleoceanography. Reviewed

    Okazaki, Y., Takahashi, K., Yoshitani, H., Nakatsuka, T., Ikehara, M., and Wakatsuchi, M.

    Marine Micropaleontology   Vol. 49   page: 195-230   2003

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  155. The production scheme of Cycladophora davisiana (Radiolaria) in the Okhotsk Sea and the northwestern North Pacific: implication for the paleoceanographic conditions during the glacials in the high latitude oceans. Reviewed

    Okazaki, Y., K. Takahashi, T. Nakatsuka and M. C. Honda

    Geophysical Research Letter   Vol. 30   page: 1939 doi.10,1029/2003 GL018070.   2003

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  156. 210Pb and 237Cs in sediments from Sagami Bay, Japan: Sedimentation rates and inventories. Reviewed

    Kato, Y., H. Kitazato, M. Shimanaga, T. Nakatsuka, Y. Shirayama and T. Masuzawa

    Progress in Oceanography   Vol. 57   page: 77-95   2003

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  157. Temporal variation in mass fluxes and their major components of sinking particles in Sagami Bay off Japan. Reviewed

    Masuzawa, T., Tie Li, Y. Duan, M. Yamamoto, Y. Hibi, T. Nakatsuka, H. Kitazato and Y. Kato

    Progress in Oceanography   Vol. 57   page: 59-75   2003

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  158. Biogenic opal indicating less productive northwestern North Pacific during the glacial ages. Reviewed

    Narita, H., M. Sato, S. Tsunogai, M. Murayama, M. Ikehara, T. Nakatsuka, and M. Wakatsuchi

    Geophysical Research Letter   Vol. 29   page: 10.1029/2001GL014320   2002

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  159. An extremely turbid intermediate water in the Sea of Okhotsk : Implication for the transport of particulate organic carbon in a seasonally ice-bound sea. Reviewed

    Nakatsuka, T., C. Yoshikawa, M. Toda, K. Kawamura and M. Wakatsuchi

    Geophysical Research Letter   Vol. 29   page: 10.1029/2001GL014029   2002

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  160. Stable carbon isotopic compositions of light hydrocarbons over the western North Pacific and implication for their photochemical ages. Reviewed

    Saito, T., U. Tsunogai, K. Kawamura, T. Nakatsuka, and N. Yoshida

    Journal of Geophysical Research   Vol. 107 ( D4 ) page: 10.1029/2000JD000127   2002

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  161. A biomarker approach for assessing marine and terrigenous inputs to the sediments of Sea of Okhotsk for the last 27,000 years. Reviewed

    Ternois, Y., K. Kawamura, L. Keigwin, N. Ohkouchi and T. Nakatsuka

    Geochimica et Cosmochimica Acta   Vol. 65   page: 791-802   2001

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  162. 海溝斜面域における粒状有機物の分散・集積メカニズム –リバウンド&スキャベンジモデル-.

    中塚 武

    月刊 地球   Vol. 号外32   page: 90-95   2001

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  163. 有能な語り手-有機物と同位体. Invited Reviewed

    中塚 武

    「海と環境」日本海洋学会編, 講談社サイエンティフィク     page: 28-38   2001

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  164. N*による縁辺海における窒素収支解析の試み.

    中塚 武

    月刊 海洋   Vol. 33   page: 518-522   2001

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  165. 窒素同位体海洋化学の展開 – オホーツク海を例として -.

    中塚 武・吉川知里・大西啓子

    月刊 海洋   Vol. 号外 25   page: 114-120   2001

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  166. Implication of carbon isotope ratios of C27-C33 alkanes and C37 alkenes for the sources of organic matter in the Southern Ocean surface sediments. Reviewed

    Ohkouchi, N., K. Kawamura, N. Takemoto, M. Ikehara and T. Nakatsuka

    Geophysical Research Letters,   Vol. 27   page: 233-236   2000

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  167. 14C budget of sinking particulate organic matter in Japan Trench: a new approach to estimate the contribution from resuspended particles in deep water column. Reviewed

    Nakatsuka, T., A. Hosokawa, N. Handa, E. Matsumoto and T. Masuzawa

    "Dynamics and Characterization of Marine Organic Matter" edited by N. Handa, E. Tanoue and T. Hama, TERRAPUB, Tokyo     page: 169-186   2000

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  168. Seasonal phytodetritus deposition and responses of bathyal benthic foraminiferal populations in Sagami Bay, Japan: preliminary results from “Project Sagami 1996-1999". Reviewed

    Kitazato, H., Y. Shirayama, T. Nakatsuka, S. Fujiwara, M. Shimanaga, Y. Kato, Y. Okada, J. Kanda, A. Yamaoka, T. Masuzawa and K. Suzuki

    Marine Micropaleontology   Vol. 40   page: 135-149   2000

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  169. 北部北太平洋・ベーリング海における懸濁粒子の脂質成分・炭素安定同位体比の鉛直分布. Reviewed

    河村公隆・加治 貴・大河内直彦・中塚 武・池原 実

    日本プランクトン学会報   Vol. 47   page: 140-143   2000

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  170. 室内実験による不飽和脂肪酸からの低分子ジカルボン酸の光化学的生成(予報). Reviewed

    松永 壮・河村公隆・中塚 武・大河内直彦

      Vol. 14   page: 19-26   1999

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  171. Production and transport of long-chain alkenones and alkyl alkenoates in a sea water column in the northwestern Pacific off central Japan. Reviewed

    Sawada, K., N. Handa and T. Nakatsuka

    Marine Chemistry   Vol. 59   page: 219-234   1998

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  172. 堆積有機物の炭素・窒素安定同位体比による古海洋解析. Invited Reviewed

    中塚 武

    地学雑誌   Vol. 107   page: 54-68   1998

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  173. Origin and decomposition of sinking particulate organic matter in the deep water column inferred from the vertical distributions ofδ15N, δ13C and δ14C. Reviewed

    Nakatsuka,T., N.Handa, N.Harada, T.Sugimoto and S.Imaizumi

    Deep-Sea Research I   Vol. 44   page: 1957-1979   1997

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  174. Reconstruction of seasonal variation in nutrient budget of surface mixed layer using δ15N of sinking particle collected by time-series sediment trap system. Reviewed

    Nakatsuka,T. and N.Handa

    Journal of Oceanography   Vol. 53   page: 105-116   1997

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  175. 海洋堆積物の窒素同位体比に関する研究 -窒素同位体比による海洋表層環境の復元-. Invited Reviewed

    中塚 武

    海の研究   Vol. 6   page: 383-397   1997

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  176. Fresh water seepage and pore water recycling on the seafloor: Sagami Trough subduction zone, Japan. Reviewed

    Tsunogai,U., J.Ishibashi, H.Wakita, T.Gamo, T.Masuzawa, T.Nakatsuka, Y.Nojiri, and T.Nakamura

    Earth and Planetary Science Letter   Vol. 138   page: 157-168   1996

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  177. 有機物の炭素・窒素安定同位体比-その外洋表層環境の復元の論理.

    中塚 武

    月刊 海洋   Vol. 号外11   page: 148-154   1996

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  178. AMS 14C measurements of dissolved inorganic carbon in pore waters from a deep-sea "cold seep" giant clam community off Hatsushima Island, Sagami Bay, Japan. Reviewed

    Masuzawa,T., H.Kitagawa, T.Nakatsuka, N.Handa, and T.Nakamura

    Radiocarbon   Vol. 37   page: 617-627   1995

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  179. Glacial to interglacial surface nutrient variations of Bering deep basins recorded by δ13C and δ15N of sedimentary organic matter. Reviewed

    Nakatsuka,T., K.Watanabe, N.Handa, E.Matsumoto, and E.Wada

    Paleoceanography   Vol. 10   page: 1047-1061   1995

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  180. Geochemistry of pore waters from a bathyal Calyptogena community off Hatsushima Island, Sagami Bay, Japan. Reviewed

    Masuzawa,T., T.Nakatsuka and N.Handa

    "Biogeochemical Processes and Ocean Flux in the Western Pacific" edited by H.Sakai and Y.Nozaki, TERRAPUB, Tokyo.     page: 407-421   1995

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  181. Spatial and temporal variation of δ15N in sinking particles in deep waters: its implication for the origin and transport of particulate organic matter. Reviewed

    Nakatsuka,T., N.Handa and S.Imaizumi

    "Biogeochemical Processes and Ocean Flux in the Western Pacific" edited by H.Sakai and Y.Nozaki, TERRAPUB, Tokyo,     page: 355-374   1995

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  182. Glacial-interglacial migration of an upwelling field in the western equatorial Pacific recorded by sediment 15N/14N. Reviewed

      Vol. 22   page: 2525-2528   1995

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  183. 海洋深層における粒子状有機炭素の起源と輸送-炭素同位体組成(14C/12C, 13C/12C)からの評価-.

    中塚 武

    月刊 海洋   Vol. 号外 8   page: 121-126   1995

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  184. 堆積物窒素同位体比による西赤道太平洋における 湧昇・海流系変動の復元.

    中塚 武・原田尚美・松本英二

    月刊 海洋   Vol. 27   page: 483-487   1995

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  185. Vertical fluxes of organic materials in the Northern North West Pacific and Breid Bay, Antarctica, with special reference in the effect of phytoplankton bloom. Reviewed

    "Deep Ocean Circulation, Physical and Chemical Aspects" edited by T.Teramoto, Elsevier, Amsterdam     page: 221-233   1993

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  186. 古海洋の生物生産環境の記録としての有機物の窒素同位体比.

    中塚 武

    月刊 地球,   Vol. 号外 8   page: 65-69   1993

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    Authorship:Lead author   Language:Japanese  

  187. 海のプランクトンとマリンスノー

    中塚 武

    遺伝   Vol. 47   page: 15-20   1993

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  188. *The dynamic changes of stable isotopic ratios of carbon and nitrogen in suspended and sedimented particulate organic matter during a plankton bloom. Reviewed

    Nakatsuka,T., N.Handa, E.Wada and C-S.Wong

    Journal of Marine Research   Vol. 50   page: 267-296   1992

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  189. Vertical Fluxes and ecological significance of organic materials during the phytoplankton bloom during austral summer in Breid Bay, Antarctica. Reviewed

      Vol. 112   page: 469-478   1992

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▼display all

Books 17

  1. 気候適応の日本史 : 人新世をのりこえる視点

    中塚 武( Role: Sole author)

    吉川弘文館  2022.2  ( ISBN:9784642059442

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    Total pages:256   Language:Japanese Book type:General book, introductory book for general audience

    CiNii Books

  2. 酸素同位体比年輪年代法 : 先史・古代の暦年と天候を編む

    中塚 武( Role: Sole author)

    同成社  2021.6  ( ISBN:9784886218674

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    Total pages:219   Language:Japanese Book type:Scholarly book

    CiNii Books

  3. 天変地異と病

    中塚 武( Role: Contributor ,  律令制の成立と解体の背景としての気候変動)

    岩波書店  2024.1  ( ISBN:9784000286367

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    Total pages:366   Responsible for pages:227-283   Language:Japanese

  4. 古気候の復元と年代論の構築(気候変動から読みなおす日本史 第2巻) Reviewed

    中塚 武監修 中塚 武, 對馬 あかね, 佐野 雅規編( Role: Joint editor)

    臨川書店  2021.1  ( ISBN:9784653045021

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    Language:Japanese Book type:Scholarly book

    CiNii Books

  5. 新しい気候観と日本史の新たな可能性(気候変動から読みなおす日本史 第1巻) Reviewed

    中塚 武監修 中塚 武, 鎌谷 かおる, 佐野 雅規, 伊藤 啓介, 對馬 あかね編( Role: Joint editor)

    臨川書店  2021.1  ( ISBN:9784653045014

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    Language:Japanese Book type:Scholarly book

    CiNii Books

  6. 気候変動から近世をみなおす―数量・システム・技術(気候変動から読みなおす日本史 第5巻) Reviewed

    中塚 武監修 鎌谷かおる・渡辺浩一編( Role: Supervisor (editorial))

    臨川書店  2020.11  ( ISBN:9784653045052

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    Language:Japanese Book type:Scholarly book

    CiNii Books

  7. 近世の列島を俯瞰する―南から北へ(気候変動から読みなおす日本史 第6巻) Reviewed

    中塚 武監修 鎌谷かおる・佐藤大介編( Role: Supervisor (editorial))

    臨川書店  2020.11  ( ISBN:9784653045069

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    Language:Japanese Book type:Scholarly book

    CiNii Books

  8. 先史・古代の気候と社会変化(気候変動から読みなおす日本史 第3巻) Reviewed

    中塚 武監修;中塚 武, 若林 邦彦, 樋上 昇編( Role: Joint editor)

    臨川書店  2020.9  ( ISBN:9784653045038

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    Language:Japanese Book type:Scholarly book

    CiNii Books

  9. 気候変動と中世社会(気候変動から読みなおす日本史 第4巻) Reviewed

    中塚 武監修 伊藤啓介・田村憲美・水野章二編( Role: Supervisor (editorial))

    臨川書店  2020.9  ( ISBN:9784653045038

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    Language:Japanese Book type:Scholarly book

    CiNii Books

  10. 古代の交通と神々の景観

    中塚 武( Role: Contributor ,  第一部第五章 古代・中世移行期の気候変動と交通・祭祀)

    八木書店  2023.5  ( ISBN:978-4-8406-2263-9

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    Total pages:528   Responsible for pages:111-124   Language:Japanese Book type:Scholarly book

  11. オホーツク海・親潮域の生物生産と気候変動『海とヒトの関係学5 コモンズとしての海』

    中塚 武( Role: Contributor ,  第1章3節)

    西日本出版社  2022.3  ( ISBN:978-4-908443-69-5

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    Total pages:284   Responsible for pages:53-65   Language:Japanese Book type:General book, introductory book for general audience

  12. 近世の気候と人口のデータからみた加賀藩の生業対応『海とヒトの関係学5 コモンズとしての海』

    中塚 武( Role: Contributor ,  第2章コラム)

    西日本出版社  2022.3  ( ISBN:978-4-908443-69-5

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    Total pages:284   Responsible for pages:104-111   Language:Japanese Book type:General book, introductory book for general audience

  13. 人文学と自然科学の理想的な連携とは『環境問題を解く―ひらかれた協働研究のすすめ―』(近藤康久・大西秀之編) Reviewed

    中塚 武( Role: Contributor ,  第13章(p.185-197))

    かもがわ出版  2021.3 

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    Language:Japanese Book type:General book, introductory book for general audience

  14. 高分解能古気候データから始まる新しい災害史研究の方向性. 『資料が語る災害の記録と記憶』樋口雄彦編,国立歴史民俗博物館研究叢書6 Reviewed

    中塚 武( Role: Contributor)

    朝倉書店  2019.3 

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    Total pages:176   Responsible for pages:6-34   Language:Japanese Book type:Scholarly book

  15. 樹木年輪セルロースの酸素同位体比による気候変動の復元.「現代の生態学② 地球環境変動の生態学」(原登志彦編)

    中塚 武( Role: Contributor)

    共立出版  2014 

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    Language:Japanese Book type:Scholarly book

  16. 環境の日本史① 気候変動と歴史学

    中塚 武( Role: Sole author)

    吉川弘文館  2012.11  ( ISBN:978-4-642-01723-7

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    Language:Japanese

  17. 安定同位体というメガネ-人と環境のつながりを診る 気候と社会の歴史を診る-樹木年輪の酸素同位体比からの解読

    中塚 武( Role: Sole author)

    昭和堂  2010.3  ( ISBN:978-4-8122-1017-8

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    Language:Japanese

▼display all

Presentations 80

  1. 歴史上の気候変動と人口変動の関係性から学ぶ Invited

    中塚 武

    第18 回防災学術連携シンポジウム 人口減少社会と防災減災  2024.3.25  日本学術会議

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    Event date: 2024.3

    Language:Japanese   Presentation type:Symposium, workshop panel (nominated)  

    Venue:東京(オンライン)   Country:Japan  

  2. Historical climate adaptations in Japan: Multi-decadal variability as a key factor activating societal regime shift Invited International conference

    Takeshi NAKATSUKA

    Multi-disciplinary and Inter-regional Perspectives on Environmental History Towards Comparative Study between Europe and Japan  2024.3.7  Research Institute for Humanity and Nature

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    Event date: 2024.3

    Language:English   Presentation type:Symposium, workshop panel (nominated)  

    Venue:Research Institute for Humanity and Nature, Kyoto   Country:Japan  

  3. 酸素同位体比年輪年代法からみた 弥生時代中・後期の気候と社会 Invited

    中塚 武

    弥生文化博物館・特別展「紀元一世紀の社会変革」・第2回講演会  2024.2.3  弥生文化博物館

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    Event date: 2024.2

    Language:Japanese  

    Venue:弥生文化博物館(大阪)   Country:Japan  

  4. 気候変動からみた『中世』の日本とアジア ~現代に示唆するもの~ Invited

    中塚 武

    ナゴヤイノベーターズガレージ・大人の学び直し   2024.1.9  ナゴヤ

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    Event date: 2024.1

    Language:Japanese   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

    Venue:ナディアパーク(名古屋)   Country:Japan  

  5. Multidecadal Climate Variability as a Key Factor to Activate Regime Shifts in Human Societies International conference

    Takeshi NAKATSUKA

    Bridging the Gap Between History and Policy Integrating Historical Knowledge and Complex Human-Environmental Systems Modelling  2023.12.12  Max Planck Institute of Geoanthropology

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    Event date: 2023.12

    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Max Planck Institute of Geoanthropology, Jena, Germany   Country:Germany  

  6. Historical Climate Adaptation in Japan -Evidence from Paleoclimatology and Paleography- Invited International conference

    Takeshi NAKATSUKA

    Leipzig Labo, AG “Historical Anthropospheres”   2023.12.11  Leipzig University

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    Event date: 2023.12

    Language:English  

    Venue:Leipzig University, Leipzig, Germany   Country:Germany  

  7. 気候変動は人間社会に何をもたらすか ー過去からの教訓ー Invited

    中塚 武

    名古屋大学ホームカミングデー 環境学研究科講演会  2023.10.21  名古屋大学環境学研究科

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    Event date: 2023.10

    Language:Japanese   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

    Venue:名古屋大学環境学研究科レクチャーホール   Country:Japan  

  8. 数十年周期の気候変動の比較史に向けて

    中塚 武

    日本第四紀学会2023年大会  2023.9.1  日本第四紀学会

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    Event date: 2023.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:早稲田大学・所沢キャンパス   Country:Japan  

  9. Multidecadal Climate Variability as a Key Factor to Activate Regime Shifts in Human Societies Invited International conference

    Takeshi NAKATSUKA

    Hokkaido University Slavic-Eurasian Research Center 2023 Summer International Symposium "The Phase of Catastrophe: The Crisis of the 14th Century in Afro-Eurasian Contex”  2023.7.13  Slavic-Eurasian Research Center, Hokkaido University

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    Event date: 2023.7

    Language:English   Presentation type:Symposium, workshop panel (nominated)  

    Venue:Sapporo   Country:Japan  

  10. ⑥ エピローグ:現代から未来への挑戦(数十年周期変動の克服) Invited

    中塚 武

    危機に立ち向かうために歴史に学ぶ -気候変動と人類の歴史-  2023.6.24  早稲田エクステンションセンター

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    Event date: 2023.6

    Language:Japanese   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

    Venue:早稲田エクステンションセンター(オンライン)   Country:Japan  

  11. 樹木年輪から見た年から十年単位の気候変動 Invited

    中塚 武

    日本学術会議 公開シンポジウム「最終氷期以降の日本列島の気候・環境変動と人類の応答」  2023.6.11  日本学術会議

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    Event date: 2023.6

    Language:Japanese   Presentation type:Symposium, workshop panel (nominated)  

    Venue:島根   Country:Japan  

  12. ⑤ 近世・近代史を気候変動から読みなおす Invited

    中塚 武

    危機に立ち向かうために歴史に学ぶ -気候変動と人類の歴史-  2023.6.10  早稲田エクステンションセンター

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    Event date: 2023.6

    Language:Japanese   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

    Venue:早稲田エクステンションセンター(オンライン)   Country:Japan  

  13. ④ 中世史を気候変動から読みなおす Invited

    中塚 武

    危機に立ち向かうために歴史に学ぶ -気候変動と人類の歴史-  2023.5.27  早稲田エクステンションセンター

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    Event date: 2023.5

    Language:Japanese   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

    Venue:早稲田エクステンションセンター(オンライン)   Country:Japan  

  14. ③ 先史・古代史を気候変動から読みなおす Invited

    中塚 武

    危機に立ち向かうために歴史に学ぶ -気候変動と人類の歴史-  2023.5.13  早稲田エクステンションセンター

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    Event date: 2023.5

    Language:Japanese   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

    Venue:早稲田エクステンションセンター(オンライン)   Country:Japan  

  15. Vertical changes in cellulose oxygen and hydrogen isotope ratios along conifer trunks: Implications for physiological controls on tree-ring isotopes International conference

    Takeshi NAKATSUKA, Minori Kato, Yoshikazu Kato, Zhen Li

    European Geoscience Union 2023   2023.4.27  European Geoscience Union

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    Event date: 2023.4

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Vienna   Country:Austria  

  16. ② 酸素同位体比年輪年代法-新しい古気候復元法 Invited

    中塚 武

    危機に立ち向かうために歴史に学ぶ -気候変動と人類の歴史-  2023.4.22  早稲田エクステンションセンター

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    Event date: 2023.4

    Language:Japanese   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

    Venue:早稲田エクステンションセンター(オンライン)   Country:Japan  

  17. ① プロローグ 気候と歴史の新しい関係 (数十年周期変動の発見) Invited

    中塚 武

    危機に立ち向かうために歴史に学ぶ -気候変動と人類の歴史-  2023.4.8  早稲田エクステンションセンター

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    Event date: 2023.4

    Language:Japanese   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

    Venue:早稲田エクステンションセンター(オンライン)   Country:Japan  

  18. 気候変動の歴史と人間社会の適応可能性 Invited

    中塚 武

    脱炭素社会の創造に向けた第2回シンポジウム『総合知を活かした新たなアプローチ』  2023.3.10  名古屋大学 未来社会創造機構 脱炭素社会創造センター

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    Event date: 2023.3

    Language:Japanese   Presentation type:Symposium, workshop panel (nominated)  

    Venue:名古屋大学ES総合館(名古屋)   Country:Japan  

  19. 気候適応の日本史 ~気候と歴史の関係から読み解く人間社会の「変動」への耐性~ Invited

    中塚 武

    ナゴヤイノベーターズガレージ・大人の学び直し  2023.2.28  ナゴヤイノベーターズガレージ

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    Event date: 2023.2

    Language:Japanese   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

    Venue:ナディアパーク(名古屋)   Country:Japan  

  20. 気候適応の日本史 ~人新世をのりこえる視点~ Invited

    中塚 武

    気候危機対策交流フォーラム   2023.1.19  愛知県地球温暖化防止活動推進センター(一般社団法人環境創造研究センター)

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    Event date: 2023.1

    Language:Japanese   Presentation type:Symposium, workshop panel (nominated)  

    Venue:ウィンクあいち(名古屋)   Country:Japan  

  21. 気候と社会の歴史的関係から分かること Invited

    中塚 武

    人・モノ・自然プロジェクトキックオフシンポジウム  2022.12.22  総合地球環境学研究所

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    Event date: 2022.12

    Language:Japanese   Presentation type:Symposium, workshop panel (nominated)  

    Venue:京都   Country:Japan  

  22. 災害に強い社会とは何か?-気候適応史からの考察- Invited

    中塚 武

    第183回防災アカデミー(名古屋大学減災連携研究センター)  2022.12.15  名古屋大学減災連携研究センター

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    Event date: 2022.12

    Language:Japanese   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

    Venue:名古屋大学減災館1階減災ホール   Country:Japan  

  23. 樹木年輪の酸素同位体比から見た古代律令制の起源-その歴史学的・気候学的意味-

    中塚 武

    地球環境史学会・2022年年会  2022.11.5  地球環境史学会

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    Event date: 2022.11

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:東京大学・大気海洋研究所(柏キャンパス)   Country:Japan  

  24. 木材の年代測定について Invited

    中塚 武

    瑞穂区・汐路コミュニティーセンター講演会  2022.10.29  瑞穂区・汐路コミュニティーセンター

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    Event date: 2022.10

    Language:Japanese   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

    Venue:名古屋   Country:Japan  

  25. 古気候学から見た過去の気候適応の記憶としての文化遺産の可能性 Invited International conference

    中塚 武

    文化遺産国際協力コンソシーアム令和4年度シンポジウム 「気候変動と文化遺産―いま、何が起きているのか―」  2022.10.23  文化遺産国際協力コンソシーアム

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    Event date: 2022.10

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:東京大学・弥生講堂・一条ホール   Country:Japan  

  26. 先史・古代の気候変動と人類の移動 Invited

    中塚 武

    中央大学・人文科学研究所・共同研究「考古学と歴史学」 公開研究会「物質資料から見た地域文化の相互関係」  2022.9.25  中央大学・人文科学研究所

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    Event date: 2022.9

    Language:Japanese   Presentation type:Symposium, workshop panel (nominated)  

    Venue:東京   Country:Japan  

  27. なぜ気候適応の「通史」をめざすのか? Invited

    中塚 武

    書評会「中塚武『気候適応の日本史』を読む」  2022.6.13  「14世紀危機」についての文理協働研究

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    Event date: 2022.6

    Language:Japanese   Presentation type:Symposium, workshop panel (nominated)  

    Venue:札幌   Country:Japan  

  28. Development of Oxygen Isotopic (d18O) Dendroarchaeology in Japan Invited International conference

    Takeshi NAKATSUKA, Zhen LI, Masaki SANO, Masataka HAKOZAKI, Katsuhiko KIMURA

    The 7th Asian Dendrochronological Conference   2022.4.22 

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    Event date: 2022.4

    Language:English   Presentation type:Oral presentation (keynote)  

    Venue:Asian Dendrochronological Association   Country:China  

  29. 神明大杉の年輪セルロース酸素・水素同位体比の経年・季節変動からみた瑞浪市大湫町の過去数百年間の気象・気候災害史 Invited

    中塚武・加藤義和・李貞・庄建治朗・飯塚比呂人

    大湫町神明大杉についての学術研究報告会  2022.3.24  瑞浪市スポーツ文化課・大湫町コミュニティ推進協議会

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    Event date: 2022.3

    Language:Japanese   Presentation type:Symposium, workshop panel (nominated)  

    Venue:岐阜県瑞浪市   Country:Japan  

  30. 最近の古気候データの紹介と新しい歴史研究の可能性 Invited

    中塚 武

    2022年3月例会・関西農業史研究会  2022.3.19  関西農業史研究会

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    Event date: 2022.3

    Language:Japanese   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

    Venue:大阪(オンライン)   Country:Japan  

  31. 最新技術で年輪を読む Invited

    中塚 武

    島根県立三瓶自然館・公開講座  2022.3.12  島根県立三瓶自然館

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    Event date: 2022.3

    Language:Japanese   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

    Venue:島根(オンライン)   Country:Japan  

  32. 年輪の酸素同位体比を用いた 年代測定と気候復元について Invited

    中塚 武

    仙台市地底の森ミュージアム・考古学講座-遺跡を読み解く科学  2022.2.19  仙台市地底の森ミュージアム

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    Event date: 2022.2

    Language:Japanese   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

    Venue:仙台(オンライン)   Country:Japan  

  33. 気候変動の周期性と新しい人類史研究の可能性-樹木年輪の酸素同位体比が示唆するもの- Invited

    中塚 武

    日本第四紀学会2021年度学術賞・受賞記念講演会  2022.2.12  日本第四紀学会

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    Event date: 2022.2

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:オンライン   Country:Japan  

  34. 樹木年輪の酸素同位体比から見た日本の気候変動と適応の歴史 Invited

    中塚 武

    Future Earth 研究センター2021公開シンポジウム「適応と緩和・脱炭素社会」  2021.12.18  名古屋大学 Future Earth 研究センター

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    Event date: 2021.12

    Language:Japanese   Presentation type:Symposium, workshop panel (nominated)  

    Venue:名古屋   Country:Japan  

  35. 気候変動と人間社会の歴史的関係から学ぶ-「変化」の速さに着目して- Invited

    中塚 武

    学術フォーラム「地球環境変動と人間活動―地球規模の環境変化にどう対応したらよいか―」  2021.12.5  日本学術会議

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    Event date: 2021.12

    Language:Japanese   Presentation type:Symposium, workshop panel (nominated)  

    Venue:東京   Country:Japan  

  36. 高時間分解能での古気候復元による新たな可能性 Invited

    中塚 武

    第10回気象学史研究会「気候変動解明への歴史からのアプローチ」  2021.12.2  日本気象学会・気象学史研究会

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    Event date: 2021.12

    Language:Japanese   Presentation type:Symposium, workshop panel (nominated)  

    Venue:オンライン   Country:Japan  

  37. あらゆる周期の気候変動のシームレスな復元 -文理双方が見過ごしてきた数十年周期変動の発見- Invited

    中塚 武

    2021年度日本地球化学会年会・古気候・古環境解析セッション   2021.9.8  日本地球化学会

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:弘前(オンライン)   Country:Japan  

  38. 高時間分解能での気候復元研究の進展と前近代社会の気候応答についての考察 ー日本の先史・古代史を例としてー Invited

    中塚 武

    新学術領域「出ユーラシアの統合的人類史学」 A03「集団の複合化と戦争」班 2021年度・第1回研究会  2021.8.22  新学術領域「出ユーラシアの統合的人類史学」 A03「集団の複合化と戦争」班

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    Event date: 2021.8

    Language:Japanese  

    Venue:オンライン   Country:Japan  

  39. 高分解能古気候復元による歴史学・考古学の新たな展開-人類の気候適応の視点から- Invited

    中塚 武

    “フィールドサイエンスと共同研究の可能性”・2021年度海外学術調査フォーラム  2021.6.20  東京外国語大学

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    Event date: 2021.6

    Language:Japanese   Presentation type:Symposium, workshop panel (nominated)  

    Venue:東京(オンライン)   Country:Japan  

  40. A paleoclimatological approach to the multidecadal climate variability International conference

    Takeshi NAKATSUKA and Tsukasa MIZUTANI

    JpGU 2021 meeting  2021.6.3  Japan Geoscience Union

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    Event date: 2021.6

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Oline   Country:Japan  

  41. 年輪の同位体分析から読み解く気候変動と歴史 Invited

    中塚 武

    第148回北天満サイエンスカフェ  2021.5.9  北天満サイエンスカフェ

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    Event date: 2021.5

    Language:Japanese   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

    Venue:大阪(オンライン)   Country:Japan  

  42. 歴史研究における文理融合の実践的課題 Invited

    中塚 武

    地球研創立20周年記念式典・シンポジウム第1部 「人新世における総合地球環境学の未来」  2021.4.23  総合地球環境学研究所

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    Event date: 2021.4

    Language:Japanese   Presentation type:Symposium, workshop panel (nominated)  

    Venue:京都(オンライン)   Country:Japan  

  43. 古気候データは歴史研究にどう活用できるか―文理協働の実現に向けて(プロジェクト代表の集中講義形式) Invited

    中塚 武

    北海道大学スラブ・ユーラシア研究センター公募プロジェクト型共同研究『「14世紀の危機」に関する文理協働研究-北東アジア地域を突破口として』公開発表会  2021.3.6  北海道大学スラブ・ユーラシア研究センター

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    Event date: 2021.3

    Language:Japanese  

    Venue:オンライン   Country:Japan  

  44. Interactive approaches to climatic impacts on human societies among historians, archaeologists and dendrochronologists Invited International conference

    Takeshi NAKATSUKA

    Data-Oriented Approaches to the Social Sciences and Humanities  2021.2.12  Data-oriented Area Studies Unit, Kyoto University

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    Event date: 2021.2

    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Kyoto   Country:Japan  

  45. 樹木年輪酸素同位体比を用いた先史時代の人口変動のシミュレーション

    中塚 武

    2020年日本第四紀学会大会  2020.12.26  日本第四紀学会

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    Event date: 2020.12

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン   Country:Japan  

  46. 酸素同位体比年輪年代法-その原理・課題・未来- Invited

    中塚 武

    2020年地球惑星科学連合大会  2020.7.12  日本地球惑星科学連合

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    Event date: 2020.7

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:オンライン   Country:Japan  

  47. Periodically enhanced multi-decadal tree-ring δ18O variations in central Japan and their implication for East Asian 2600-year history Invited International conference

    Takeshi Nakatsuka, Masaki Sano, Zhen Li, Tsukasa Mizutani, Chenxi Xu, Akane Tsushima, Kenjiro Sho, Keiko Ohnishi, Minoru Sakamoto, Hiromasa Ozaki, Noboru Higami, Nanae Nakao, Misao Yokoyama, and Takumi Mitsutani

    The 6th Asian Dendrochronology Conference 

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    Event date: 2019.11

    Language:English   Presentation type:Oral presentation (keynote)  

    Venue:Lucknow, India   Country:India  

  48. Reconstruction of multi-millennial precipitation variations in central Japan by integrating of tree-ring cellulose oxygen and hydrogen isotope ratios International conference

    Takeshi Nakatsuka, Masaki Sano, Zhen Li, Chenxi Xu, Akane Tsushima, Yuki Shigeoka, Kenjiro Sho, Keiko Ohnishi, Minoru Sakamoto, Hiromasa Ozaki, Noboru Higami, Nanae Nakao, Misao Yokoyama, Takumi Mitsutani

    The 6th Asian Dendrochronology Conference 

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    Event date: 2019.11

    Language:English   Presentation type:Poster presentation  

    Venue:Lucknow, India   Country:India  

  49. 樹木年輪の安定同位体比からみた西日本の環境変動 Invited

    中塚 武

    日本考古学協会・2019年度岡山大会・分科会1「環境変化と生業からみた社会変動」 

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    Event date: 2019.10

    Language:Japanese   Presentation type:Oral presentation (keynote)  

    Venue:岡山大学   Country:Japan  

  50. Climate periodicity and human vulnerability -Lessons from East Asian 2600-year history- Invited International conference

    Takeshi Nakatsuka

    International Symposium on Multiscale Climate Variability and Dynamics 

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    Event date: 2019.10

    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Xi'an, China   Country:China  

  51. 歴史学・考古学と地球惑星科学の協働をいかに活性化できるか?-気候適応史プロジェクト(2014~2018)の教訓- Invited

    中塚 武

    日本地球惑星科学連合2019年大会 

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    Event date: 2019.5

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:幕張メッセ   Country:Japan  

  52. 享保の飢饉は、何故起きたか?-樹木年輪同位体比研究から見た小氷期モンスーン変動の特異性-

    中塚 武、大西啓子、安江 恒、光谷拓実、三瓶良和

    日本地球化学会2010年度年会、熊谷 

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    Event date: 2010.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  53. Spatial and temporal reconstructions of past summer monsoon activities in Japan using oxygen isotopic ratios of tree-ring cellulose International conference

    PAGES Asia 2K Workshop, Nagoya, Japan 

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    Event date: 2010.8

    Language:English   Presentation type:Oral presentation (general)  

    Country:Japan  

  54. Challenge of High-Resolution Paleoclimatology:its Potential Impacts for Understanding of Relashionships between Climate and Societies

    International Symposium "Rethinking the Impacts of Climate Change in the Past", Kyoto, Japan 

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    Event date: 2010.8

    Language:English   Presentation type:Oral presentation (invited, special)  

    Country:Japan  

  55. Changes in Teleconnection Pattern between Baiu and ENSO during Last Three Centuries: Evidences from Oxygen Isotopic Ratios of Tree-Ring Cellulose in Northern, Central and Southern Japan International conference

    Worlddendro 2010, Rovaniemi, Finland 

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    Event date: 2010.6

    Language:English   Presentation type:Oral presentation (general)  

  56. Spatial and temporal reconstructions of past Asian summer monsoon activities using oxygen isotopic ratios of tree-ring cellulose International conference

    PAGES Regional Workshop in Japan, Nagoya, Japan 

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    Event date: 2010.6

    Language:English   Presentation type:Oral presentation (invited, special)  

    Country:Japan  

  57. 樹木年輪酸素同位体比研究の急速な進展 - 陸と海のプロキシーの協同によるアジアの気候変動の解明に向けて

    中塚 武

    古海洋学シンポジウム、東京 

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    Event date: 2010.1

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  58. BC1~AD3世紀における埋没木曽ヒノキの年輪セルロースの酸素同位体比の経年変動:考古学・歴史学との接点

    中塚 武・大西啓子・河村公隆・尾嵜大真・光谷拓実

    日本地球化学会2009年度年会、東広島 

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    Event date: 2009.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  59. 季節-年レベルの樹木年輪同位体比が 語る過去の気候

    中塚 武

    日本木材学会・組織と材質研究会、つくば 

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    Event date: 2009.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  60. Summer hydroclimate variability during BC 1st –AD 3rd centuries in Japan : its potential impact on the integration of Japanese nation. International conference

    PAGES Open Science Meeting, Corvallis, USA 

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    Event date: 2009.7

    Language:English   Presentation type:Poster presentation  

  61. Reconstruction of inter-annual variation in Okhotsk High from d18O of tree-ring cellulose in northeastern Japan International conference

    PAGES Open Science Meeting, Corvallis, USA 

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    Event date: 2009.7

    Language:English   Presentation type:Oral presentation (general)  

  62. 樹木年輪の酸素同位体比を用いたオホーツク高気圧の経年変動の復元

    中塚 武・大西啓子・辻寛之・光谷拓実

    日本気象学会2009年度春季大会、つくば 

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    Event date: 2009.5

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  63. Anomalous decadal variability in O and C isotopic ratios of tree-ring cellulose in southwestern Japan during the little ice age

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    Event date: 2009.5

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  64. 地球環境の将来予測のための古環境研究の役割 ―過去1000年間からの教訓-

    中塚 武

    日本地球惑星科学連合年会,幕張 

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    Event date: 2009.5

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Country:Japan  

  65. 樹木年輪同位体比による気候-植生相互作用の解析

    中塚 武

    日本生態学会、盛岡 

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    Event date: 2009.3

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Country:Japan  

  66. Linkage between inland and open ocean ecosystems by iron transport through large river and ocean current systems

    Perspective of Frontier Ecosystem Studies Linking Observation and Modeling, Nagoya, Japan 

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    Event date: 2009.2

    Language:English   Presentation type:Oral presentation (invited, special)  

    Country:Japan  

  67. 北太平洋亜寒帯域における生物地球化学と古海洋学の融合をめざして-“鉄の生物地球化学”の古海洋学的解明の可能性-

    2009年古海洋学シンポジウム、東京 

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    Event date: 2009.1

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  68. Spatial and temporal variations in oxygen isotopic ratios of tree-ring cellulose in Japan during last three centuries International conference

    AGU 2008 Fall Meeting, San Francisco, USA 

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    Event date: 2008.12

    Language:English   Presentation type:Poster presentation  

  69. 樹木年輪同位体比の精密分析による高時空間分解能での気候変動解析の展望

    中塚 武

    日本質量分析学会・同位体比部会2008年度年会、新城 

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    Event date: 2008.11

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  70. 樹木年輪同位体比による気候変動解析-新たなブレークスルーと異分野との連携の可能性-

    中塚 武・大西啓子・辻 寛之・原 登志彦・沢田 健・光谷拓実・安江 恒・藤原 健・三瓶良和

    樹木年輪研究会2008年度年会、東京 

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    Event date: 2008.9

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Country:Japan  

  71. 後期中新世(11‐10Ma)の木材化石の年輪セルロースのd18Oとd13C:高時間分解能の気候変動解析の可能性

    中塚 武・大西啓子・沢田 健・中村英人・塚腰 実

    日本地球化学会2008年度年会、東京 

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    Event date: 2008.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  72. Biogeochemical linkage between Amur River basin and western subarctic Pacific by iron transport through Okhotsk Sea Intermediate Water : A new paradigm to explain changes in ocean primary productivity International conference

    PICES Okhotsk Workshop, Abashiri, Japan 

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    Event date: 2008.8

    Language:English   Presentation type:Oral presentation (general)  

    Country:Japan  

  73. 樹木年輪安定同位体比による気候-植生相互作用の解析の可能性

    中塚 武・大西啓子・原登志彦・光谷拓実・安江 恒

    京大生態研シンポジウム、京都 

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    Event date: 2008.8

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Country:Japan  

  74. 樹木年輪セルロースの同位体比を用いた気候・植生相互作用の長期変動の解析

    中塚 武・大西啓子・原 登志彦・安江 恒

    日本有機地球化学会2008年度年会、名古屋 

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    Event date: 2008.7

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  75. Linkage between Inland and Open Ocean Ecosystems through River and Intermediate Water Flows -Huge but Vulnerable System in the Amur River Watershed and the Sea of Okhotsk- International conference

    AOGS(Asia Oceania Geoscience Society), Busan, Korea 

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    Event date: 2008.6

    Language:English   Presentation type:Oral presentation (invited, special)  

  76. Changes in Teleconnection Pattern between Baiu and ENSO during Last Three Centuries: Evidences from Oxygen Isotopic Ratios of Tree-Ring Cellulose in Northern, Central and Southern Japan International conference

    AOGS(Asia Oceania Geoscience Society) 2008 Annual Meeting, Busan, Korea 

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    Event date: 2008.6

    Language:English   Presentation type:Oral presentation (general)  

  77. 過去3世紀における梅雨とENSOのテレコネクションパターンの周期的変化:樹木年輪セルロースの酸素同位体比からの証拠

    中塚 武・大西啓子・辻 寛之・安江 恒・光谷拓実

    日本地球惑星科学連合2008年度年会、幕張 

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    Event date: 2008.5

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  78. 屋久杉年輪の酸素・炭素同位体比に記録された過去300年間の水循環プロセスの変化

    中塚 武・大西啓子・辻 寛之・安江 恒・嶋田千春

    日本気象学会2008年度春季大会、横浜 

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    Event date: 2008.5

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  79. Linkage between inland and open ocean ecosystems by iron transport through river and intermediate water flows -Huge but vulnerable system in the Amur River watershed and the Sea of Okhotsk- International conference

    IGBP-Congress, Cape Town, South Africa 

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    Event date: 2008.5

    Language:English   Presentation type:Oral presentation (invited, special)  

  80. Non-stationary and cyclic teleconnection between Japanese summer monsoon (Baiu) and ENSO during last three centuries: Evidence from oxygen isotopic ratio of tree-ring cellulose in Japanese cypress International conference

    IGBP-congress, Capetown, South Africa 

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    Event date: 2008.5

    Language:English   Presentation type:Poster presentation  

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Research Project for Joint Research, Competitive Funding, etc. 3

  1. Societal Adaptation to Climate Change: Integrating Palaeoclimatological Data with Historical and Archaeological Evidences International coauthorship

    2014.4 - 2019.3

    Takeshi Nakatsuka

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    Grant type:Competitive

    Grant amount:\300000000 ( Direct Cost: \300000000 )

  2. 気候変動影響予測に向けたアジアの水循環変動の過去2千年間における年単位での復元

    2010.11 - 2012.3

    住友財団・環境助成 

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    Grant type:Competitive

  3. Human Activities in Northeastern Asia and Their Impact on Biological Productivity in North Pacific Ocean

    2005.4 - 2010.3

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    Grant type:Competitive

KAKENHI (Grants-in-Aid for Scientific Research) 11

  1. 酸素同位体比年輪年代法の高精度化による日本列島の気候・生産・人口変動史の定量化

    Grant number:21H04980  2021.7 - 2026.3

    科学研究費助成事業  基盤研究(S)

    中塚 武

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    Authorship:Principal investigator 

    Grant amount:\188890000 ( Direct Cost: \145300000 、 Indirect Cost:\43590000 )

  2. Reorganization of prehistorical structure of calendar age and evaluation of climate change effect in Japanese archipelago using tree ring oxygen isotope ratios

    Grant number:17H06118  2017.5 - 2022.3

    Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (S)

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\208000000 ( Direct Cost: \160000000 、 Indirect Cost:\48000000 )

  3. 酸素同位体比を用いた新しい木材年輪年代法の高度化に関する研究

    2014.4 - 2017.3

    日本学術振興会  科学研究費助成事業  基盤研究(A)

    中塚 武

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    Authorship:Principal investigator  Grant type:Competitive

  4. 酸素同位体比を用いた新しい木材年輪年代法の開発とその考古学的応用

    2011.4 - 2014.3

    科学研究費補助金  基盤研究(A)

    中塚 武

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    Authorship:Principal investigator 

    樹木年輪に含まれるセルロースの酸素同位体比の経年変動パターンが、広域の水循環変動を反映して、個体や樹種の違いを越えて、同じになることを利用して、考古学的に重要な木材試料の1年単位での絶対年代決定を行う。そのために、まず日本の本州南部で共通となる樹木年輪セルロースの酸素同位体比の標準変化曲線を確立させる。2011年6月現在、過去2300年間の中で、既に1000年を越える時代について、年単位の暫定標準変化曲線を確立した。今後1年以内に、過去3000年間の標準変化曲線を確立し、水循環変動の解析を進めると共に、考古学的な年代決定への応用を開始する計画である。

  5. Interdisciplinary Approach to the "Crisis of the 14th Century"

    Grant number:21H00555  2021.4 - 2025.3

    Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

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    Authorship:Coinvestigator(s) 

  6. 温暖化が日本海側および太平洋側のブナとミズナラの季節的成長に与える影響

    Grant number:16K07778  2016.4 - 2021.3

    日本学術振興会  科学研究費補助金 

    中塚 武

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    Authorship:Coinvestigator(s)  Grant type:Competitive

    ブナとミズナラは、日本の冷温帯林における優占樹種である。系統的に近い一方で、葉や幹の木部形成のフェノロジーには大きな違いがあることから、気候変動 への応答の違いを明らかにし、種に応じた適応策を構築する上で重要な材料といえる。本研究では、温度環境と積雪環境が異なる地域におけるブナとミズナラを 対象に、季節的な成長の変動とその生理的、解剖学的メカニズムについて明らかにすることが目的であり、これまでの研究結果から、開葉フェノロジーおよび個 葉光合成の季節変化と、幹や枝における木部形成の季節変化との間には、両樹種ともに密接な関係があることが明らかとなった。具体的には、環孔材であるミズ ナラでは貯蔵デンプンを用いて幹の木部形成が開始し、孔圏道管が形成された後に個葉の光合成速度が最大化するが、散孔材であるブナでは葉からの光合成供給 の開始後に幹の木部形成が開始する。しかし、枝ではどちらも葉の形成開始頃に木部形成が開始しており、貯蔵デンプンの減少とその後の展葉に伴う貯蔵デンプ ンの回復がみられた。枝での両樹種の結果は、少なくとも枝においては、展葉に伴って貯蔵デンプンの利用から当年の光合成産物の利用へと炭素ソースがシフト すること、および、これらが両樹種で共通することを示唆している。また、ミズナラで行った幹の木部における水素と酸素の安定同位体比の結果からは、貯蔵デ ンプンの利用が孔圏形成中に急激に低下することが示唆されており、孔圏の形成は展葉期間とほぼ一致する。よって安定同位体比の結果からも、展葉に伴う炭素 ソースのシフトが起きることが支持された。
    残りの安定同位体分析を行う必要があるが、コロナの影響により施設や必要な機器を使うことができず、中断している。
    コロナの影響が緩和され、分析に必要な機器が使えるようになり次第、安定同位体分析の続きを再開する。ブナの年輪の安定同位体分析を行い、季節変化におけるミズナラとの違いを明らかにする。

  7. Reconstruction of both salinity and temperature from oxygen isotope of biogenic calcium carbonate

    Grant number:16K13912  2016.4 - 2018.3

    SHIRAI Kotaro

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    Authorship:Collaborating Investigator(s) (not designated on Grant-in-Aid)  Grant type:Competitive

    Analysis of biogenic calcium carbonate such as bivalve shell and coral skeleton enable to reconstuct past environments . Although oxygen isotopic ratio of biogenic calcium carbonate has been used as a powerful proxy for reconstruction of water temperature at the time of formation, the most important problem was that it can not separate the effect of salinity. In this study, we focused on organic materials contained in a trace amount in the calcium carbonate skeleton, attempting to develop a method for separating the influence of salinity based on oxygen and carbon isotopic ratio. We established an analysis method of carbon isotopic ratio of the organic peel "periostrucm" adhering to the shell of the mussel, evaluated its usefulness as proxy, and confirmed that it is a reliable proxy for riverine imput.

  8. 気候変化は樹木の季節成長にどう影響するか-年輪酸素同位体比の精密測定による解析

    2011.4 - 2013.3

    科学研究費補助金 

    中塚 武

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    Authorship:Principal investigator 

  9. Detailed reconstructions of long-term variations in water cycle over all Japan using tree-ring oxygen and hydrogen isotopic ratios

    2007.4 - 2010.3

    Grant-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research(B)

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    Authorship:Principal investigator 

  10. Development of large scale mapping method of precipitation isotopic ratios using oxygen and hydrogen isotopic ratios of tree-ring cellulose

    2005.4 - 2007.3

    Grant-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research(B)

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    Authorship:Principal investigator 

  11. Development of paleoceanographic proxy for sea ice and historical analysis of Okhotsk sea ice

    2000.4 - 2002.3

    Grant-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research(B)

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    Authorship:Principal investigator 

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Teaching Experience (On-campus) 17

  1. Fundamentals of Atmospheric and Hydrospheric Sciences

    2020

  2. Climate science

    2020

  3. Earth and Planetary Science Seminar I

    2020

  4. Measurement of Atmospheric and Hydrospheric Environment

    2020

  5. 体系理解科目「温暖化概論」

    2019

  6. 自然環境と人間

    2019

  7. 気候科学

    2019

  8. 大気水圏環境計測論

    2013

  9. 大気水圏環境の科学

    2013

  10. 気候科学

    2012

  11. 大気水圏環境計測論

    2012

  12. 大気水圏環境の科学

    2012

  13. 大気水圏環境の科学

    2011

  14. 大気水圏環境計測論

    2011

  15. 気候科学

    2011

  16. 地球環境変動論

    2011

  17. 地球学I

    2011

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Teaching Experience (Off-campus) 6

  1. 持続可能な地域と環境リテラシー

    2023.10 - 2024.3 Gifu University)

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    Level:Undergraduate (liberal arts)  Country:Japan

  2. 理学部 地球惑星科学特別講義

    2019.4 - 2020.3 京都大学)

  3. 理学部 地球惑星科学特別講義

    2010.4 - 2011.3 京都大学)

  4. 理学部 環境学 特別講義

    2010.4 - 2011.3 信州大学)

  5. 理学部 「同位体気候学」

    2009.4 - 2010.3 静岡大学)

  6. 気候科学

    Nagoya University)

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Social Contribution 10

  1. ⑥ 歴史から何を学ぶべきか ―現代と未来へのメッセージ-(『気候データから読みなおす日本史』)

    Role(s):Lecturer

    朝日カルチャーセンター  横浜校講座  2021.3

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    Audience: General

    Type:Lecture

  2. 樹木年輪セルロースの酸素同位体比 による古気候復元 -気候と社会の歴史的関係を探る-

    Role(s):Lecturer

    中部原子力談話会  第56回RI・放射線利用促進セミナー  オンライン  2021.2

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    Audience: Researchesrs, Company, Governmental agency

    Type:Seminar, workshop

  3. ⑤ 近世(江戸) -小氷期における市場経済の展開-(『気候データから読みなおす日本史』)

    Role(s):Lecturer

    朝日カルチャーセンター  横浜校講座  2021.2

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    Audience: General

    Type:Lecture

  4. ④ 中世(平安・鎌倉・南北朝・室町) -気候の不安定化と武士の興亡-(『気候データから読みなおす日本史』)

    Role(s):Lecturer

    朝日カルチャーセンター  横浜校講座  2021.1

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    Audience: General

    Type:Lecture

  5. ③ 古代(古墳・飛鳥・奈良・平安前期) -律令制の導入と崩壊-(『気候データから読みなおす日本史』)

    Role(s):Lecturer

    朝日カルチャーセンター  横浜校講座  2020.12

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    Audience: General

    Type:Lecture

  6. 樹木の年輪が語る日本史 -気候変動と人間社会の関係-

    Role(s):Lecturer

    朝日カルチャーセンター  名古屋校講座  2020.11

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    Audience: General

    Type:Lecture

  7. ② 先史(縄文・弥生・古墳) -気候の長期変動と稲作の広がり-(『気候データから読みなおす日本史』)

    Role(s):Lecturer

    朝日カルチャーセンター  横浜校講座  2020.11

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    Audience: General

    Type:Lecture

  8. ① 気候復元と年代決定 -新しい歴史観の土台-(『気候データから読みなおす日本史』)

    Role(s):Lecturer

    朝日カルチャーセンター  横浜校講座  2020.10

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    Audience: General

    Type:Lecture

  9. 樹木年輪からみた気候と環境の 過去・現在・未来

    Role(s):Lecturer

    あいちサイエンス・コミュニケーション・ネットワーク事務局  あいちサイエンストーク  オンライン  2020.10

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    Audience: General

    Type:Science cafe

  10. 気候変動から読みなおす日本史 -最新の気候データと歴史学・考古学の融合-

    Role(s):Lecturer

    朝日カルチャーセンター  横浜校講座  2020.7

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    Audience: General

    Type:Lecture

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Media Coverage 5

  1. 『気候変動から読みなおす日本史』 斬新な世界像への期待 Newspaper, magazine

    毎日新聞社  毎日新聞  毎日新聞 夕刊 東京版など 4面  2021.3

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    Author:Other 

  2. 古代史ミステリー 第1集 邪馬台国の謎に迫る TV or radio program

    NHK  NHKスペシャル  2024.3

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    Author:Other 

  3. 平将門 平安の反逆児 TV or radio program

    NHK  歴史探偵  2024.2

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    Author:Other 

  4. 地球の時間 人間の時間 ~気候適応から読み解く人類固有の時間スケール~ TV or radio program

    放送大学  大統合自然史(第2部)地球を知る  2023.12

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    Author:Myself 

  5. 誕生 ヤマト王権〜いま前方後円墳が語り出す〜 TV or radio program

    NHK  ETV特集  NHK教育テレビ 23:00-24:00  2021.3

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    Author:Other 

    番組の中で取材を受けた内容が紹介された。