Updated on 2022/03/15

写真a

 
SUDO Kengo
 
Organization
Graduate School of Environmental Studies Department of Earth and Environmental Sciences Climate Science Professor
Graduate School
Graduate School of Environmental Studies
Undergraduate School
School of Science Department of Earth and Planetary Science
Title
Professor
Contact information
メールアドレス

Degree 1

  1. Doctor of Science (Ph.D) ( 2003.3   The University of Tokyo ) 

Research Interests 10

  1. Atmospheric Oxidation Power

  2. Future Climate Projection

  3. Air Pollution

  4. Stratospheric and Tropospheric Ozone

  5. Global Warming

  6. Chemical Transport Model

  7. Chemistry-Climate Modelling

  8. Climate Dynamics

  9. Aerosols

  10. Atmospheric Chemistry

Research Areas 4

  1. Others / Others  / Chemical Transport Modelling

  2. Others / Others  / Atmospheric Chemistry and Aerosols

  3. Others / Others  / Climate Modelling

  4. Others / Others  / meteorology

Current Research Project and SDGs 7

  1. Development of warming mitigation measures with controling short-lived climate pollutants (SLCPs/SLCFs)

  2. Impacts of land use and aerosols changes on Asian climate and monsoon

  3. * Study of Hemispheric to Global-scale Atmospheric Transport of Pollutants and their Source Attribution

  4. Chemistry and Climate Interaction

  5. * Study on the Impacts of Atmospheric Composition Changes on Climate: past reproduction and future projection

  6. * Study of Global Changes in Atmospheric Composition and Their Mechanism

  7. * Global modelling of atmospheric pollution and its impacts on climate

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Research History 5

  1. 名古屋大学    大学院環境学研究科・地球環境科学専攻・気候科学講座   教授

    2019.4

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    Country:Japan

  2. 名古屋大学    大学院環境学研究科・地球環境科学専攻・気候科学講座   准教授

    2007.4 - 2019.3

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    Country:Japan

  3. 名古屋大学   大学院環境学研究科・地球環境科学専攻・気候科学講座   助教授

    2006.4 - 2007.3

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    Country:Japan

  4. 独立行政法人海洋研究開発機構・地球環境フロンティア研究センター/   大気組成変動予測研究プログラム 

    2004.7 - 2006.3

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    Country:Japan

  5. 海洋科学技術センター・地球フロンティア研究システム    大気組成変動予測研究領域

    2003.4 - 2004.6

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    Country:Japan

Education 3

  1. The University of Tokyo   Graduate School, Division of Science   Earth and Planetary Science

    2000.4 - 2003.3

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    Country: Japan

  2. The University of Tokyo   Graduate School, Division of Science   Earth and Planetary Science

    1998.4 - 2000.3

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    Country: Japan

  3. The University of Tokyo   Faculty of Science   Dept. of Earth and Planetary Science

    1994.4 - 1998.3

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    Country: Japan

Professional Memberships 5

  1. 米国地球物理学会(AGU)

  2. 欧州大気組成変動研究ネットワーク(ACCENT)

  3. 日本気象学会

  4. 日本大気化学会

  5. 日本エアロゾル学会

Committee Memberships 13

  1. 日本学術会議 環境学委員会・地球惑星科学委員会合同FE・WCRP合同分科会IGAC小委員会   委員  

    2021.1   

  2. 日本学術会議 環境学委員会・地球惑星科学委員会合同FE・WCRP合同分科会iLEAPS小委員会   委員(24期)  

    2018.4   

  3. 国立環境研究所・次世代型温室効果ガス観測衛星に関する検討研究会   委員  

    2016.4 - 2017.3   

  4. The Japan Society of Atmospheric Chemistry (JSAC)   steering committee member  

    2013.4 - 2014.3   

  5. 日本学術会議・環境学委員会・地球惑星科学委員会合同IGBP・WCRP・DIVERSITAS合同分科会 IGAC小委員会   委員(22期)  

    2012.4 - 2015.3   

  6. 総合科学技術会議 評価専門調査会   南極地域観測事業評価検討会 評価委員  

    2012.4 - 2013.3   

  7. Journal of the Meteorological Society of Japan   Editor  

    2011.6   

  8. 日本大気化学会   機関誌 編集委員  

    2011.4 - 2014.3   

  9. 大気環境衛星検討委員会(APPOLOチーム)   委員  

    2011.4 - 2014.3   

  10. The Japan Society of Atmospheric Chemistry (JSAC)   steering committee member  

    2011.4 - 2012.3   

  11. 日本学術会議・環境学委員会・地球惑星科学委員会合同IGBP・WCRP合同分科会 IGAC小委員会   委員(21期)  

    2009.4 - 2012.3   

  12. 日本学術会議・環境学委員会・地球惑星科学委員会合同IGBP・WCRP合同分科会 IGAC小委員会   委員(20期)  

    2006.4 - 2009.3   

  13. 日本学術会議国内IGAC小委員会   委員(19期)  

    2004.4 - 2006.3   

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Awards 3

  1. 日本気象学会堀内賞

    2020.10   日本気象学会   化学気候モデルの開発と大気環境・気候変動研究の推進

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

    須藤教授は、大気化学・気候相互作用研究を開拓・牽引し、物質循環を軸として、気象学の周辺領域の拡充に大きく貢献してきた。須藤教授が行ってきた、化学気候モデルおよび地球システムモデルの開発、化学・気候相互作用の研究、大気微量成分の長距離輸送と起源の推定、地球温暖化緩和策の構築、などの業績は、気象学の発展・向上に大きな影響を与えているものと認められる。このため、日本気象学会は須藤健悟教授に2020年度堀内賞を贈呈するものである。

  2. 日本大気化学会奨励賞

    2012.11   日本大気化学会   化学・エアロゾル結合気候モデルの開発と全球における対流圏オゾン変動・起源推定に関する研究

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

    須藤会員は,全球化学輸送モデルを我が国で初めて開発し、その後これをベースに気候モデルとの結合を行って化学気候モデル(CHASER)へと発展させてきた。さらに、開発した化学輸送モデルを我が国の地球システムモデル(MIROC-ESM)に組み込み、成層圏・対流圏での大気化学と微小粒子(エアロゾル)を網羅的に取り扱える全球シミュレーションの手法を確立してきた。また、対流圏のオゾンやエアロゾルなどの汚染物質がどこからどのように輸送されてくるのかに着目した実験手法を開発し、大気中の長距離輸送や越境汚染の構造を全球スケールで解明した。さらに、オゾンやエアロゾルが及ぼす気候への影響・相互作用などを研究し、気候変動・大気汚染の要因を定量化するとともに、将来予測も行い、IPCC第4次報告書にも大きく貢献した。このように、須藤会員は一貫して大気化学と気候を包括的に扱える独自のモデルを開発し、これを用いた研究の成果は国内外で高く評価されており、大気化学研究会奨励賞に値する。

  3. 日本気象学会2004年度山本・正野論文賞(山本賞)

    2004  

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    Country:Japan

 

Papers 160

  1. Global tropospheric ozone responses to reduced NOx emissions linked to the COVID-19 world-wide lockdowns Invited Reviewed International coauthorship

    Miyazaki, Kazuyuki & Bowman, Kay & Sekiya, Takashi & Takigawa, Masayuki & Neu, Jessica & Sudo, Kengo & Osterman, Greg & Eskes, Henk.

    Earth and Space Science Open Archive ESSOAr     2020.12

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

    DOI: 10.1002/essoar.10504795.1

  2. A comparison of the impact of TROPOMI and OMI tropospheric NO2 on global chemical data assimilation Reviewed International coauthorship

    Sekiya, T., Miyazaki, K., Eskes, H., Sudo, K., Takigawa, M., and Kanaya, Y.

    Atmospheric Measurement Techniques     2022.3

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

    DOI: https://doi.org/10.5194/amt-2021-400

  3. Effects of heterogeneous reactions on tropospheric chemistry: a global simulation with the chemistry-climate model CHASER V4.0 Reviewed International coauthorship

    Ha Phuc T. M., Matsuda Ryoki, Kanaya Yugo, Taketani Fumikazu, Sudo Kengo

    GEOSCIENTIFIC MODEL DEVELOPMENT   Vol. 14 ( 6 ) page: 3813 - 3841   2021.6

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

    DOI: 10.5194/gmd-14-3813-2021

    Web of Science

  4. Responses of Arctic black carbon and surface temperature to multi-region emission reductions: a Hemispheric Transport of Air Pollution Phase 2 (HTAP2) ensemble modeling study Reviewed

    Zhao Na, Dong Xinyi, Huang Kan, Fu Joshua S., Lund Marianne Tronstad, Sudo Kengo, Henze Daven, Kucsera Tom, Lam Yun Fat, Chin Mian, Tilmes Simone

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 21 ( 11 ) page: 8637 - 8654   2021.6

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

    DOI: 10.5194/acp-21-8637-2021

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  5. Impacts of Horizontal Resolution on Global Data Assimilation of Satellite Measurements for Tropospheric Chemistry Analysis Reviewed International coauthorship

    Sekiya, Takashi; Miyazaki, Kazuyuki; Ogochi, Koji; Sudo, Kengo; Takigawa, Masayuki; Eskes, Henk; Boersma, K. Folkert

    Journal of Advances in Modeling Earth Systems   Vol. 13 ( 6 )   2021.6

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

    DOI: 10.1029/2020MS002180

  6. Continuous multi-component MAX-DOAS observations for the planetary boundary layer ozone variation analysis at Chiba and Tsukuba, Japan, from 2013 to 2019 Reviewed International coauthorship

    Irie Hitoshi, Yonekawa Daichi, Damiani Alessandro, Hoque Hossain Mohammed Syedul, Sudo Kengo, Itahashi Syuichi

    PROGRESS IN EARTH AND PLANETARY SCIENCE   Vol. 8 ( 1 )   2021.5

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

    DOI: 10.1186/s40645-021-00424-9

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  7. Mapping Yearly Fine Resolution Global Surface Ozone through the Bayesian Maximum Entropy Data Fusion of Observations and Model Output for 1990-2017 Reviewed International coauthorship

    DeLang Marissa N., Becker Jacob S., Chang Kai-Lan, Serre Marc L., Cooper Owen R., Schultz Martin G., Schroeder Sabine, Lu Xiao, Zhang Lin, Deushi Makoto, Josse Beatrice, Keller Christoph A., Lamarque Jean-Francois, Lin Meiyun, Liu Junhua, Marecal Virginie, Strode Sarah A., Sudo Kengo, Tilmes Simone, Zhang Li, Cleland Stephanie E., Collins Elyssa L., Brauer Michael, West J. Jason

    ENVIRONMENTAL SCIENCE & TECHNOLOGY   Vol. 55 ( 8 ) page: 4389 - 4398   2021.4

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

    DOI: 10.1021/acs.est.0c07742

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  8. Contributions of World Regions to the Global Tropospheric Ozone Burden Change From 1980 to 2010 Reviewed International coauthorship

    Zhang Yuqiang, West J. Jason, Emmons Louisa K., Flemming Johannes, Jonson Jan Eiof, Lund Marianne T., Sekiya Takashi, Sudo Kengo, Gaudel Audrey, Chang Kai-Lan, Nedelec Philippe, Thouret Valerie

    GEOPHYSICAL RESEARCH LETTERS   Vol. 48 ( 1 )   2021.1

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

    DOI: 10.1029/2020GL089184

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  9. Global Bromine- and Iodine-Mediated Tropospheric Ozone Loss Estimated Using the CHASER Chemical Transport Model Reviewed

    Sekiya Takashi, Kanaya Yugo, Sudo Kengo, Taketani Fumikazu, Iwamoto Yoko, Aita Maki N., Yamamoto Akitomo, Kawamoto Katsuhiro

    SOLA   Vol. 16   page: 220 - 227   2020.11

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

    DOI: 10.2151/sola.2020-037

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  10. Updated tropospheric chemistry reanalysis and emission estimates, TCR-2, for 2005-2018 Reviewed International coauthorship

    Miyazaki Kazuyuki, Bowman Kevin, Sekiya Takashi, Eskes Henk, Boersma Folkert, Worden Helen, Livesey Nathaniel, Payne Vivienne H., Sudo Kengo, Kanaya Yugo, Takigawa Masayuki, Ogochi Koji

    EARTH SYSTEM SCIENCE DATA   Vol. 12 ( 3 ) page: 2223 - 2259   2020.9

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

    DOI: 10.5194/essd-12-2223-2020

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  11. Projecting ozone hole recovery using an ensemble of chemistry-climate models weighted by model performance and independence Reviewed International coauthorship

    Amos Matt, Young Paul J., Hosking J. Scott, Lamarque Jean-Francois, Abraham N. Luke, Akiyoshi Hideharu, Archibald Alexander T., Bekki Slimane, Deushi Makoto, Jockel Patrick, Kinnison Douglas, Kirner Ole, Kunze Markus, Marchand Marion, Plummer David A., Saint-Martin David, Sudo Kengo, Tilmes Simone, Yamashita Yousuke

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 20 ( 16 ) page: 9961 - 9977   2020.8

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

    DOI: 10.5194/acp-20-9961-2020

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  12. A development of reduction scenarios of the short-lived climate pollutants (SLCPs) for mitigating global warming and environmental problems Reviewed

    Nakajima Teruyuki, Ohara Toshimasa, Masui Toshihiko, Takemura Toshihiko, Yoshimura Kei, Goto Daisuke, Hanaoka Tatsuya, Itahashi Syuichi, Kurata Gakuji, Kurokawa Jun-ichi, Maki Takashi, Masutomi Yuji, Nakata Makiko, Nitta Tomoko, Seposo Xerxes, Sudo Kengo, Suzuki Chieko, Suzuki Kentaroh, Tsuruta Haruo, Ueda Kayo, Watanabe Shingo, Yu Yong, Yumimoto Keiya, Zhao Shuyun

    PROGRESS IN EARTH AND PLANETARY SCIENCE   Vol. 7 ( 1 )   2020.7

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

    DOI: 10.1186/s40645-020-00351-1

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  13. Model Inter-Comparison for PM2.5 Components over urban Areas in Japan in the J-STREAM Framework Reviewed

    Yamaji Kazuyo, Chatani Satoru, Itahashi Syuichi, Saito Masahiko, Takigawa Masayuki, Morikawa Tazuko, Kanda Isao, Miya Yukako, Komatsu Hiroaki, Sakurai Tatsuya, Morino Yu, Kitayama Kyo, Nagashima Tatsuya, Shimadera Hikari, Uranishi Katsushige, Fujiwara Yuzuru, Hashimoto Tomoaki, Sudo Kengo, Misaki Takeshi, Hayami Hiroshi

    ATMOSPHERE   Vol. 11 ( 3 )   2020.3

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

    DOI: 10.3390/atmos11030222

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  14. Evaluation of a multi-model, multi-constituent assimilation framework for tropospheric chemical reanalysis Reviewed International coauthorship

    Miyazaki Kazuyuki, Bowman Kevin W., Yumimoto Keiya, Walker Thomas, Sudo Kengo

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 20 ( 2 ) page: 931 - 967   2020.1

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

    DOI: 10.5194/acp-20-931-2020

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  15. Evaluation and uncertainty investigation of the NO2, CO and NH3 modeling over China under the framework of MICS-Asia III Reviewed International coauthorship

    Kong Lei, Tang Xiao, Zhu Jiang, Wang Zifa, Fu Joshua S., Wang Xuemei, Itahashi Syuichi, Yamaji Kazuyo, Nagashima Tatsuya, Lee Hyo-Jung, Kim Cheol-Hee, Lin Chuan-Yao, Chen Lei, Zhang Meigen, Tao Zhining, Li Jie, Kajino Mizuo, Liao Hong, Wang Zhe, Sudo Kengo, Wang Yuesi, Pan Yuepeng, Tang Guiqian, Li Meng, Wu Qizhong, Ge Baozhu, Carmichael Gregory R.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 20 ( 1 ) page: 181 - 202   2020.1

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

    DOI: 10.5194/acp-20-181-2020

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  16. Clear-sky ultraviolet radiation modelling using output from the Chemistry Climate Model Initiative Reviewed International coauthorship

    Lamy Kevin, Portafaix Thierry, Josse Beatrice, Brogniez Colette, Godin-Beekmann Sophie, Bencherif Hassan, Revell Laura, Akiyoshi Hideharu, Bekki Slimane, Hegglin Michaela I, Joeckel Patrick, Kirner Oliver, Liley Ben, Marecal Virginie, Morgenstern Olaf, Stenke Andrea, Zeng Guang, Abraham N. Luke, Archibald Alexander T., Butchart Neil, Chipperfield Martyn P., Di Genova Glauco, Deushi Makoto, Dhomse Sandip S., Hu Rong-Ming, Kinnison Douglas, Kotkamp Michael, McKenzie Richard, Michou Martine, O'Connor Fiona M., Oman Luke D., Pitari Giovanni, Plummer David A., Pyle John A., Rozanov Eugene, Saint-Martin David, Sudo Kengo, Tanaka Taichu Y., Visioni Daniele, Yoshida Kohei

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 19 ( 15 ) page: 10087 - 10110   2019.8

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    DOI: 10.5194/acp-19-10087-2019

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  17. Description and basic evaluation of simulated mean state, internal variability, and climate sensitivity in MIROC6 Reviewed International coauthorship

    Tatebe Hiroaki, Ogura Tomoo, Nitta Tomoko, Komuro Yoshiki, Ogochi Koji, Takemura Toshihiko, Sudo Kengo, Sekiguchi Miho, Abe Manabu, Saito Fuyuki, Chikira Minoru, Watanabe Shingo, Mori Masato, Hirota Nagio, Kawatani Yoshio, Mochizuki Takashi, Yoshimura Kei, Takata Kumiko, O'ishi Ryouta, Yamazaki Dai, Suzuki Tatsuo, Kurogi Masao, Kataoka Takahito, Watanabe Masahiro, Kimoto Masahide

    GEOSCIENTIFIC MODEL DEVELOPMENT   Vol. 12 ( 7 ) page: 2727 - 2765   2019.7

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

    DOI: 10.5194/gmd-12-2727-2019

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  18. Seasonal features and origins of carbonaceous aerosols at Syowa Station, coastal Antarctica Reviewed

    Hara Keiichiro, Sudo Kengo, Ohnishi Takato, Osada Kazuo, Yabuki Masanori, Shiobara Masataka, Yamanouchi Takashi

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 19 ( 11 ) page: 7817 - 7837   2019.6

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

    DOI: 10.5194/acp-19-7817-2019

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  19. Ozone and carbon monoxide observations over open oceans on R/V Mirai from 67 degrees S to 75 degrees N during 2012 to 2017: testing global chemical reanalysis in terms of Arctic processes, low ozone levels at low latitudes, and pollution transport Reviewed International coauthorship

    Kanaya Yugo, Miyazaki Kazuyuki, Taketani Fumikazu, Miyakawa Takuma, Takashima Hisahiro, Komazaki Yuichi, Pan Xiaole, Kato Saki, Sudo Kengo, Sekiya Takashi, Inoue Jun, Sato Kazutoshi, Oshima Kazuhiro

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 19 ( 11 ) page: 7233 - 7254   2019.6

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

    DOI: 10.5194/acp-19-7233-2019

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  20. Evaluation of tropospheric ozone and ozone precursors in simulations from the HTAPII and CCMI model intercomparisons - a focus on the Indian subcontinent Reviewed International coauthorship

    Hakim Zainab Q., Archer-Nicholls Scott, Beig Gufran, Folberth Gerd A., Sudo Kengo, Abraham Nathan Luke, Ghude Sachin, Henze Daven K., Archibald Alexander T.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 19 ( 9 ) page: 6437 - 6458   2019.5

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

    DOI: 10.5194/acp-19-6437-2019

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  21. A new method (M(3)Fusion v1) for combining observations and multiple model output for an improved estimate of the global surface ozone distribution Reviewed International coauthorship

    Chang Kai-Lan, Cooper Owen R., West J. Jason, Serre Marc L., Schultz Martin G., Lin Meiyun, Marecal Virginie, Josse Beatrice, Deushi Makoto, Sudo Kengo, Liu Junhua, Keller Christoph A.

    GEOSCIENTIFIC MODEL DEVELOPMENT   Vol. 12 ( 3 ) page: 955-978   2019.3

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

    DOI: 10.5194/gmd-12-955-2019

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  22. Balance of Emission and Dynamical Controls on Ozone During the Korea-United States Air Quality Campaign From Multiconstituent Satellite Data Assimilation Reviewed International coauthorship

    Miyazaki K., Sekiya T., Fu D., Bowman K. W., Kulawik S. S., Sudo K., Walker T., Kanaya Y., Takigawa M., Ogochi K., Eskes H., Boersma K. F., Thompson A. M., Gaubert B., Barre J., Emmons L. K.

    JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES   Vol. 124 ( 1 ) page: 387-413   2019.1

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

    DOI: 10.1029/2018JD028912

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  23. Effect of global atmospheric aerosol emission change on PM2.5-related health impacts Reviewed International coauthorship

    Seposo Xerxes, Ueda Kayo, Park Sang Seo, Sudo Kengo, Takemura Toshihiko, Nakajima Teruyuki

    GLOBAL HEALTH ACTION   Vol. 12 ( 1 )   2019.1

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

    DOI: 10.1080/16549716.2019.1664130

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  24. Quasi-Biennial Oscillations in Atmospheric Ozone from the Chemistry-Climate Model and Ozone Reanalysis Reviewed International coauthorship

    Madhu, V. and K. Sudo

    American Journal of Climate Change   Vol. 8   page: 110-136   2019

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

    DOI: 10.4236/ajcc.2019.81007

  25. Development of human health damage factors for PM2.5 based on a global chemical transport model Reviewed International coauthorship

    Tang Longlong, Nagashima Tatsuya, Hasegawa Kouichi, Ohara Toshimasa, Sudo Kengo, Itsubo Norihiro

    INTERNATIONAL JOURNAL OF LIFE CYCLE ASSESSMENT   Vol. 23 ( 12 ) page: 2300-2310   2018.12

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

    DOI: 10.1007/s11367-014-0837-8

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  26. Long-range transport impacts on surface aerosol concentrations and the contributions to haze events in China: an HTAP2 multi-model study Reviewed International coauthorship

    Dong Xinyi, Fu Joshua S., Zhu Qingzhao, Sun Jian, Tan Jiani, Keating Terry, Sekiya Takashi, Sudo Kengo, Emmons Louisa, Tilmes Simone, Jonson Jan Eiof, Schulz Michael, Bian Huisheng, Chin Mian, Davila Yanko, Henze Daven, Takemura Toshihiko, Benedictow Anna Maria Katarina, Huang Kan

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 18 ( 21 ) page: 15581-15600   2018.10

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

    DOI: 10.5194/acp-18-15581-2018

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  27. Estimates of the Global Burden of Ambient PM2.5, Ozone, and NO2 on Asthma Incidence and Emergency Room Visits Reviewed International coauthorship

    Anenberg Susan C., Henze Daven K., Tinney Veronica, Kinney Patrick L., Raich William, Fann Neal, Malley Chris S., Roman Henry, Lamsal Lok, Duncan Bryan, Martin Randall V., van Donkelaar Aaron, Brauer Michael, Doherty Ruth, Jonson Jan Eiof, Davila Yanko, Sudo Kengo, Kuylenstierna Johan C. I.

    ENVIRONMENTAL HEALTH PERSPECTIVES   Vol. 126 ( 10 )   2018.10

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

    DOI: 10.1289/EHP3766

    Web of Science

  28. The effects of intercontinental emission sources on European air pollution levels

    Jonson Jan Eiof, Schulz Michael, Emmons Louisa, Flemming Johannes, Henze Daven, Sudo Kengo, Lund Marianne Tronstad, Lin Meiyun, Benedictow Anna, Koffi Brigitte, Dentener Frank, Keating Terry, Kivi Rigel, Davila Yanko

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 18 ( 18 ) page: 13655 - 13672   2018.9

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

    DOI: 10.5194/acp-18-13655-2018

    Web of Science

  29. Extremal dependence between temperature and ozone over the continental US Reviewed International coauthorship

    Phalitnonkiat Pakawat, Hess Peter G. M., Grigoriu Mircea D., Samorodnitsky Gennady, Sun Wenxiu, Beaudry Ellie, Tilmes Simone, Deushi Makato, Josse Beatrice, Plummer David, Sudo Kengo

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 18 ( 16 ) page: 11927-11948   2018.8

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    DOI: 10.5194/acp-18-11927-2018

    Web of Science

  30. HTAP2 multi-model estimates of premature human mortality due to intercontinental transport of air pollution and emission sectors Reviewed International coauthorship

    Liang Ciao-Kai, West J. Jason, Silva Raquel A., Bian Huisheng, Chin Mian, Davila Yanko, Dentener Frank J., Emmons Louisa, Flemming Johannes, Folberth Gerd, Henze Daven, Im Ulas, Jonson Jan Eiof, Keating Terry J., Kucsera Tom, Lenzen Allen, Lin Meiyun, Lund Marianne Tronstad, Pan Xiaohua, Park Rokjin J., Pierce R. Bradley, Sekiya Takashi, Sudo Kengo, Takemura Toshihiko

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 18 ( 14 ) page: 10497-10520   2018.7

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    DOI: 10.5194/acp-18-10497-2018

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  31. Two-scale multi-model ensemble: is a hybrid ensemble of opportunity telling us more?

    Galmarini Stefano, Kioutsioukis Ioannis, Solazzo Efisio, Alyuz Ummugulsum, Balzarini Alessandra, Bellasio Roberto, Benedictow Anna M. K., Bianconi Roberto, Bieser Johannes, Brandt Joergen, Christensen Jesper H., Colette Augustin, Curci Gabriele, Davila Yanko, Dong Xinyi, Flemming Johannes, Francis Xavier, Fraser Andrea, Fu Joshua, Henze Daven K., Hogrefe Christian, Im Ulas, Garcia Vivanco Marta, Jimenez-Guerrero Pedro, Jonson Jan Eiof, Kitwiroon Nutthida, Manders Astrid, Mathur Rohit, Palacios-Pena Laura, Pirovano Guido, Pozzoli Luca, Prank Marie, Schultz Martin, Sokhi Rajeet S., Sudo Kengo, Tuccella Paolo, Takemura Toshihiko, Sekiya Takashi, Unal Alper

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 18 ( 12 ) page: 8727 - 8744   2018.6

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    DOI: 10.5194/acp-18-8727-2018

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  32. Estimates of ozone return dates from Chemistry-Climate Model Initiative simulations Reviewed International coauthorship

    Dhomse Sandip S., Kinnison Douglas, Chipperfield Martyn P., Salawitch Ross J., Cionni Irene, Hegglin Michaela I., Abraham N. Luke, Akiyoshi Hideharu, Archibald Alex T., Bednarz Ewa M., Bekki Slimane, Braesicke Peter, Butchart Neal, Dameris Martin, Deushi Makoto, Frith Stacey, Hardiman Steven C., Hassler Birgit, Horowitz LarryW., Hu Rong-Ming, Joeckel Patrick, Josse Beatrice, Kirner Oliver, Kremser Stefanie, Langematz Ulrike, Lewis Jared, Marchand Marion, Lin Meiyun, Mancini Eva, Marecal Virginie, Michou Martine, Morgenstern Olaf, O'Connor Fiona M., Oman Luke, Pitari Giovanni, Plummer David A., Pyle John A., Revell Laura E., Rozanov Eugene, Schofield Robyn, Stenke Andrea, Stone Kane, Sudo Kengo, Tilmes Simone, Visioni Daniele, Yamashita Yousuke, Zeng Guang

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 18 ( 11 ) page: 8409-8438   2018.6

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    DOI: 10.5194/acp-18-8409-2018

    Web of Science

  33. Multi-model study of HTAP II on sulfur and nitrogen deposition Reviewed International coauthorship

    Tan Jiani, Fu Joshua S., Dentener Frank, Sun Jian, Emmons Louisa, Tilmes Simone, Sudo Kengo, Flemming Johannes, Jonson Jan Eiof, Gravel Sylvie, Bian Huisheng, Davila Yanko, Henze Daven K., Lund Marianne T., Kucsera Tom, Takemura Toshihiko, Keating Terry

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 18 ( 9 ) page: 6847-6866   2018.5

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    DOI: 10.5194/acp-18-6847-2018

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  34. Global high-resolution simulations of tropospheric nitrogen dioxide using CHASER V4.0 Reviewed

    Sekiya Takashi, Miyazaki Kazuyuki, Ogochi Koji, Sudo Kengo, Takigawa Masayuki

    GEOSCIENTIFIC MODEL DEVELOPMENT   Vol. 11 ( 3 ) page: 959-988   2018.3

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    DOI: 10.5194/gmd-11-959-2018

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  35. Ozone sensitivity to varying greenhouse gases and ozone-depleting substances in CCMI-1 simulations Reviewed International coauthorship

    Morgenstern Olaf, Stone Kane A., Schofield Robyn, Akiyoshi Hideharu, Yamashita Yousuke, Kinnison Douglas E., Garcia Rolando R., Sudo Kengo, Plummer David A., Scinocca John, Oman Luke D., Manyin Michael E., Zeng Guang, Rozanov Eugene, Stenke Andrea, Revell Laura E., Pitari Giovanni, Mancini Eva, Di Genova Glauco, Visioni Daniele, Dhomse Sandip S., Chipperfield Martyn P.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 18 ( 2 ) page: 1091-1114   2018.1

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    DOI: 10.5194/acp-18-1091-2018

    Web of Science

  36. Investigation of global particulate nitrate from the AeroCom phase III experiment Reviewed International coauthorship

    Bian Huisheng, Chin Mian, Hauglustaine Didier A., Schulz Michael, Myhre Gunnar, Bauer Susanne E., Lund Marianne T., Karydis Vlassis A., Kucsera Tom L., Pan Xiaohua, Pozzer Andrea, Skeie Ragnhild B., Steenrod Stephen D., Sudo Kengo, Tsigaridis Kostas, Tsimpidi Alexandra P., Tsyro Svetlana G.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 17 ( 21 ) page: 12911-12940   2017.11

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    DOI: 10.5194/acp-17-12911-2017

    Web of Science

  37. Formaldehyde in the Tropical Western Pacific: Chemical Sources and Sinks, Convective Transport, and Representation in CAM-Chem and the CCMI Models Reviewed International coauthorship

    Anderson Daniel C., Nicely Julie M., Wolfe Glenn M., Hanisco Thomas F., Salawitch Ross J., Canty Timothy P., Dickerson Russell R., Apel Eric C., Baidar Sunil, Bannan Thomas J., Blake Nicola J., Chen Dexian, Dix Barbara, Fernandez Rafael P., Hall Samuel R., Hornbrook Rebecca S., Huey L. Gregory, Josse Beatrice, Joeckel Patrick, Kinnison Douglas E., Koenig Theodore K., Le Breton Michael, Marecal Virginie, Morgenstern Olaf, Oman Luke D., Pan Laura L., Percival Carl, Plummer David, Revell Laura E., Rozanov Eugene, Saiz-Lopez Alfonso, Stenke Andrea, Sudo Kengo, Tilmes Simone, Ullmann Kirk, Volkamer Rainer, Weinheimer Andrew J., Zeng Guang

    JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES   Vol. 122 ( 20 ) page: 11201-11226   2017.10

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

    DOI: 10.1002/2016JD026121

    Web of Science

  38. Future global mortality from changes in air pollution attributable to climate change Reviewed International coauthorship

    Silva Raquel A., West J. Jason, Lamarque Jean-Francois, Shindell Drew T., Collins William J., Faluvegi Greg, Folberth Gerd A., Horowitz Larry W., Nagashima Tatsuya, Naik Vaishali, Rumbold Steven T., Sudo Kengo, Takemura Toshihiko, Bergmann Daniel, Cameron-Smith Philip, Doherty Ruth M., Josse Beatrice, MacKenzie Ian A., Stevenson David S., Zeng Guang

    NATURE CLIMATE CHANGE   Vol. 7 ( 9 ) page: 647-+   2017.9

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

    DOI: 10.1038/NCLIMATE3354

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  39. Long-term change in the source contribution to surface ozone over Japan Reviewed

    Nagashima Tatsuya, Sudo Kengo, Akimoto Hajime, Kurokawa Junichi, Ohara Toshimasa

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 17 ( 13 ) page: 8231-8246   2017.7

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    DOI: 10.5194/acp-17-8231-2017

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  40. Impact of intercontinental pollution transport on North American ozone air pollution: an HTAP phase 2 multi-model study Reviewed International coauthorship

    Huang Min, Carmichael Gregory R., Pierce R. Bradley, Jo Duseong S., Park Rokjin J., Flemming Johannes, Emmons Louisa K., Bowman Kevin W., Henze Daven K., Davila Yanko, Sudo Kengo, Jonson Jan Eiof, Lund Marianne Tronstad, Janssens-Maenhout Greet, Dentener Frank J., Keating Terry J., Oetjen Hilke, Payne Vivienne H.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 17 ( 9 ) page: 5721-5750   2017.5

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    DOI: 10.5194/acp-17-5721-2017

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  41. Evaluation of summertime surface ozone in Kanto area of Japan using a semi-regional model and observation Reviewed International coauthorship

    Tran Thi Ngoc Trieu, Goto Daisuke, Yashiro Hisashi, Murata Ryo, Sudo Kengo, Tomita Hirofumi, Satoh Masaki, Nakajima Teruyuki

    ATMOSPHERIC ENVIRONMENT   Vol. 153   page: 163-181   2017.3

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    DOI: 10.1016/j.atmosenv.2017.01.030

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  42. Review of the global models used within phase 1 of the Chemistry-Climate Model Initiative (CCMI) Reviewed International coauthorship

    Morgenstern Olaf, Hegglin Michaela I., Rozanov Eugene, O'Connor Fiona M., Abraham N. Luke, Akiyoshi Hideharu, Archibald Alexander T., Bekki Slimane, Butchart Neal, Chipperfield Martyn P., Deushi Makoto, Dhomse Sandip S., Garcia Rolando R., Hardiman Steven C., Horowitz Larry W., Joeckel Patrick, Josse Beatrice, Kinnison Douglas, Lin Meiyun, Mancini Eva, Manyin Michael E., Marchand Marion, Marecal Virginie, Michou Martine, Oman Luke D., Pitari Giovanni, Plummer David A., Revell Laura E., Saint-Martin David, Schofield Robyn, Stenke Andrea, Stone Kane, Sudo Kengo, Tanaka Taichu Y., Tilmes Simone, Yamashita Yousuke, Yoshida Kohei, Zeng Guang

    GEOSCIENTIFIC MODEL DEVELOPMENT   Vol. 10 ( 2 ) page: 639-671   2017.2

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    DOI: 10.5194/gmd-10-639-2017

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  43. Decadal changes in global surface NOx emissions from multi-constituent satellite data assimilation Reviewed International coauthorship

    Miyazaki Kazuyuki, Eskes Henk, Sudo Kengo, Boersma K. Folkert, Bowman Kevin, Kanaya Yugo

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 17 ( 2 ) page: 807-837   2017.1

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    DOI: 10.5194/acp-17-807-2017

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  44. Long-term change in the contributions of various source regions to surface ozone over Japan Reviewed

    Nagashima, T., Sudo K., Akimoto, H., Kurokawa, J., and Ohara, T.

    Atmos. Chem. Phys.   Vol. 17   page: 8231-8246   2017

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    DOI: doi.org/10.5194/acp-17-8231-2017

  45. Review of the global models used within the Chemistry-Climate Model Initiative (CCMI) Reviewed International coauthorship

    Morgenstern, O., Hegglin, M. I., Rozanov, E., O'Connor, F. M., Abraham, N. L., Akiyoshi, H., Archibald, A. T., Bekki, S., Butchart, N., Chipperfield, M. P., Deushi, M., Dhomse, S. S., Garcia, R. R., Hardiman, S. C., Horowitz, L. W., Jöckel, P., Josse, B., Kinnison, D., Lin, M., Mancini, E., Manyin, M. E., Marchand, M., Marécal, V., Michou, M., Oman, L. D., Pitari, G., Plummer, D. A., Revell, L. E., Saint-Martin, D., Schofield, R., Stenke, A., Stone, Sudo K., K., Tanaka, T. Y., Tilmes, S., Yamashita, Y., Yoshida, K., and Zeng, G.

    Geosci. Model Dev.   Vol. 10   page: 639-671   2017

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    DOI: doi:10.5194/gmd-10-639-2017

  46. Impact of Intercontinental Pollution Transport on North American Ozone Air Pollution: An HTAP Phase II Multi-model Study Reviewed International coauthorship

    Huang, M., Carmichael, G. R., Pierce, R. B., Jo, D. S., Park, R. J., Flemming, J., Emmons, L. K., Bowman, K. W., Henze, D. K., Davila, Y., Sudo K., Jonson, J. E., Lund, M. T., Janssens-Maenhout, G., Dentener, F. J., Keating, T. J., Oetjen, H., and Payne, V. H.

    Atmos. Chem. Phys.   Vol. 17   page: 5721-5750   2017

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    DOI: doi:10.5194/acp-17-5721-2017.

  47. Evaluation of summertime surface ozone in Kanto area of Japan using a semi-regional model and observation Reviewed International coauthorship

    Trieu, TTN, D. Goto, H. Yashiro, R. Murata, K. Sudo, H. Tomita, M. Satoh, T. Nakajima

    Atmos. Environ.   Vol. 153   page: 163-181   2017

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  48. Decadal changes in global surface NOx emissions from multi-constituent satellite data assimilation, Reviewed International coauthorship

    Miyazaki, K., Eskes, H., Sudo, K., Boersma, K. F., Bowman, K., and Kanaya Y.

    Atmos. Chem. Phys.   Vol. 17   page: 807-837   2017

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    DOI: doi:10.5194/acp-17-807-2017

  49. 化学気候モデルで探る大気微量成分の全球変動 Reviewed

    須藤健悟

    大気化学研究   Vol. 36   page: 036A03   2017

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  50. Estimates of Ozone Return Dates from Chemistry-Climate Model Initiative Simulations Reviewed International coauthorship

    Dhomse, S., Kinnison, D., Chipperfield, M. P., Cionni, I., Hegglin, M., Abraham, N. L., Akiyoshi, H., Archibald, A. T., Bednarz, E. M., Bekki, S., Braesicke, P., Butchart, N., Dameris, M., Deushi, M., Frith, S., Hardiman, S. C., Hassler, B., Horowitz, L. W., Hu, R.-M., Jöckel, P., Josse, B., Kirner, O., Kremser, S., Langematz, U., Lewis, J., Marchand, M., Lin, M., Mancini, E., Marécal, V., Michou, M., Morgenstern, O., O'Connor, F. M., Oman, L., Pitari, G., Plummer, D. A., Pyle, J. A., Revell, L. E., Rozanov, E., Schofield, R., Stenke, A., Stone, K., Sudo, K., Tilmes, S., Visioni, D., Yamashita, Y., and Zeng, G.

    Atmos. Chem. Phys. Disscus.   Vol. 17   2017

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    DOI: doi.org/10.5194/acp-2018-87

  51. Investigation of global particulate nitrate from the AeroCom phase III experiment Reviewed International coauthorship

    Bian, H., Chin, M., Hauglustaine, D. A., Schulz, M., Myhre, G., Bauer, S. E., Lund, M. T., Karydis, V. A., Kucsera, T. L., Pan, X., Pozzer, A., Skeie, R. B., Steenrod, S. D., Sudo, K., Tsigaridis, K., Tsimpidi, A. P., and Tsyro, S. G

    Atmos. Chem. Phys.   Vol. 17   page: 12911-12940   2017

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    DOI: doi.org/10.5194/acp-17-12911-2017

  52. Formaldehyde in the Tropical Western Pacific: Chemical Sources and Sinks, Convective Transport, and Representation in CAM-Chem and the CCMI Models Reviewed International coauthorship

    Anderson, D. C., J. M. Nicely, G. M. Wolfe, T. F. Hanisco, R. J. Salawitch, T. P. Canty, R. R. Dickerson, E. C. Apel, S. Baidar, T. J. Bannan, N. J. Blake, D. X. Chen, B. Dix, R. P. Fernandez, S. R. Hall, R. S. Hornbrook, L. G. Huey, B. Josse, P. Jockel, D. E. Kinnison, T. K. Koenig, M. Le Breton, V. Marecal, O. Morgenstern, L. D. Oman, L. L. Pan, C. Percival, D. Plummer, L. E. Revell, E. Rozanov, A. Saiz-Lopez, A. Stenke, K. Sudo, S. Tilmes, K. Ullmann, R. Volkamer, A. J. Weinheimer and G. Zeng

    J. Geophs. Res.-Atmos.   Vol. 122 ( 20 ) page: 11201-11226   2017

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

    DOI: 10.1002/2016jd026121

  53. Future global mortality from changes in air pollution attributable to climate change Reviewed International coauthorship

    Silva, R. A., J. J. West, J. F. Lamarque, D. T. Shindell, W. J. Collins, G. Faluvegi, G. A. Folberth, L. W. Horowitz, T. Nagashima, V. Naik, S. T. Rumbold, K. Sudo, T. Takemura, D. Bergmann, P. Cameron-Smith, R. M. Doherty, B. Josse, I. A. MacKenzie, D. S. Stevenson and G. Zeng

    Nat. Clim. Change   Vol. 7 ( 11 ) page: 845-845   2017

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

    DOI: 10.1038/Nclimate3427

  54. Global and regional radiative forcing from 20% reductions in BC, OC and SO4 - an HTAP2 multi-model study Reviewed International coauthorship

    Stjern Camilla Weum, Samset Bjorn Hallvard, Myhre Gunnar, Bian Huisheng, Chin Mian, Davila Yanko, Dentener Frank, Emmons Louisa, Flemming Johannes, Haslerud Amund Sovde, Henze Daven, Jonson Jan Eiof, Kucsera Tom, Lund Marianne Tronstad, Schulz Michael, Sudo Kengo, Takemura Toshihiko, Tilmes Simone

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 16 ( 21 ) page: 13579-13599   2016.11

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    DOI: 10.5194/acp-16-13579-2016

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  55. The effect of future ambient air pollution on human premature mortality to 2100 using output from the ACCMIP model ensemble Reviewed International coauthorship

    Silva Raquel A., West J. Jason, Lamarque Jean-Francois, Shindell Drew T., Collins William J., Dalsoren Stig, Faluvegi Greg, Folberth Gerd, Horowitz Larry W., Nagashima Tatsuya, Naik Vaishali, Rumbold Steven T., Sudo Kengo, Takemura Toshihiko, Bergmann Daniel, Cameron-Smith Philip, Cionni Irene, Doherty Ruth M., Eyring Veronika, Josse Beatrice, MacKenzie Ian A., Plummer David, Righi Mattia, Stevenson David S., Strode Sarah, Szopa Sophie, Zengast Guang

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 16 ( 15 ) page: 9847-9862   2016.8

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    DOI: 10.5194/acp-16-9847-2016

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  56. WHERE ARE THE LOW-MASS POPULATION III STARS? Reviewed

    Ishiyama Tomoaki, Sudo Kae, Yokoi Shingo, Hasegawa Kenji, Tominaga Nozomu, Susa Hajime

    ASTROPHYSICAL JOURNAL   Vol. 826 ( 1 )   2016.7

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    DOI: 10.3847/0004-637X/826/1/9

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  57. Evaluating ethane and methane emissions associated with the development of oil and natural gas extraction in North America Reviewed International coauthorship

    Franco B., Mahieu E., Emmons L. K., Tzompa-Sosa Z. A., Fischer E. V., Sudo K., Bovy B., Conway S., Griffin D., Hannigan J. W., Strong K., Walker K. A.

    ENVIRONMENTAL RESEARCH LETTERS   Vol. 11 ( 4 )   2016.4

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    DOI: 10.1088/1748-9326/11/4/044010

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  58. Evolution of stratospheric sulfate aerosol from the 1991 Pinatubo eruption: Roles of aerosol microphysical processes Reviewed

    Sekiya T., Sudo K., Nagai T.

    JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES   Vol. 121 ( 6 ) page: 2911-2938   2016.3

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

    DOI: 10.1002/2015JD024313

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  59. Evaluating ethane and methane emissions associated with the development of oil and natural gas extraction in North America Reviewed

    Franco, B., E Mahieu, L K Emmons, Z A Tzompa-Sosa, E V Fischer, K Sudo, B Bovy, S Conway, D Griffin, J W Hannigan, K Strong, K A Walker

    Environ., Res., Lett.,   Vol. 11 ( 044010 )   2016

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    DOI: doi:10.1088/1748-9326/11/4/044010

  60. Global and regional radiative forcing from 20% reductions in BC, OC and SO4 - an HTAP2 multi-model study Reviewed

    Stjern, C. W., Samset, B. H., Myhre, G., Bian, H., Chin, M., Davila, Y., Dentener, F., Emmons, L., Flemming, J., Haslerud, A. S., Henze, D., Jonson, J. E., Kucsera, T., Lund, M. T., Schulz, M., Sudo, K., Takemura, T., and Tilmes, S.

    Atmos. Chem. Phys.   Vol. 16   page: 13579-13599   2016

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    DOI: doi:10.5194/acp-16-13579-2016

  61. Evolution of stratospheric sulfate aerosol from the 1991 Pinatubo eruption: Roles of aerosol microphysical processes Reviewed

    Sekiya, T., K. Sudo, and. T. Nagai

    J. Geophys. Res. Atmos.     2016

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    DOI: doi:10.1002/2015jd024313

  62. The effect of future ambient air pollution on human premature mortality to 2100 using output from the ACCMIP model ensemble Reviewed

    Silva, R. A., West, J. J., Lamarque, J.-F., Shindell, D. T., Collins, W. J., Dalsoren, S., Faluvegi, G., Folberth, G., Horowitz, L. W., Nagashima, T., Naik, V., Rumbold, S. T., Sudo, K., Takemura, T., Bergmann, D., Cameron-Smith, P., Cionni, I., Doherty, R. M., Eyring, V., Josse, B., MacKenzie, I. A., Plummer, D. S., Righi, M., Stevenson, D. S., Strode, S., Szopa, S., and Zeng, G.

    Atmos. Chem. Phys.   Vol. 16   page: 9847-9862   2016

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    DOI: doi:10.5194/acp-16-9847-2016

  63. SLCP co-control approach in East Asia: Tropospheric ozone reduction strategy by simultaneous reduction of NOx/NMVOC and methane Reviewed

    Akimoto Hajime, Kurokawa Jun'ichi, Sudo Kengo, Nagashima Tatsuya, Takemura Toshihiko, Klimont Zbigniew, Amann Markus, Suzuki Katsunori

    ATMOSPHERIC ENVIRONMENT   Vol. 122   page: 588-595   2015.12

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    DOI: 10.1016/j.atmosenv.2015.10.003

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  64. SLCP co-control approach in East Asia: Tropospheric ozone reduction strategy by simultaneous reduction of NOx/NMVOC and methane Reviewed

    Akimoto, H., J. Kurokawa, K. Sudo, T. Nagashima, T. Takemura, Z. Klimont, M. Amann, K. Suzuki

    Atmos. Environ.   Vol. 122   page: 588-595   2015

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    DOI: doi:10.1016/j.atmosenv.2015.10.003

  65. A tropospheric chemistry reanalysis for the years 2005-2012 based on an assimilation of OMI, MLS, TES and MOPITT satellite data Reviewed

    Miyazaki,K., H. J. Eskes, and K. Sudo

    Atmos. Chem. Phys.   Vol. 15   page: 8315-8348   2015

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  66. Use of North American and European air quality networks to evaluate global chemistry-climate modeling of surface ozone Reviewed

    Schnell,J.L., M. J. Prather, B. Josse, V. Naik, L. W. Horowitz, P. Cameron-Smith, D. Bergmann, G. Zeng, D. A. Plummer, K. Sudo, T. Nagashima, D. T. Shindell, G. Faluvegi, and S. A. Strode

    Atmos. Chem. Phys.   Vol. 15   page: 10581-10596   2015

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    DOI: doi:10.5194/acp-15-10581-2015

  67. Retrieval of ethane from ground-based FTIR solar spectra using improved spectroscopy: Recent burden increase above Jungfraujoch Reviewed

    Franco, B., Bader, W., Toon, G. C., Bray, C., Perrin, A., Fischer, E. V., Sudo, K., Boone, C. D., Bovy, B., Lejeune, B., Servais, C., and Mahieu, E.

    J. Quant. Spectrosc. Ra.   Vol. 160   page: 36-49   2015

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    DOI: 10.1016/j.jqsrt.2015.03.017

  68. Development of human health damage factors for PM2.5 based on a global chemical transport model Reviewed

    Tang, L., Nagashima, T., Hasegawa, K., Ohara, T., Sudo, K., and Itsubo, N.

    Int. J. Life Cycle Assess.     2015

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    DOI: 10.1007/s11367-014-0837-8.

  69. Development of human health damage factors for tropospheric ozone considering transboundary transport on a global scale Reviewed

    Tang, L., Nagashima, T., Hasegawa, K., Ohara, T., Sudo, K., and Itsubo, N.

    Int. J. Life Cycle Assess.     2015

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

    DOI: 10.1007/s11367-015-1001-9

  70. A tropospheric chemistry reanalysis for the years 2005-2012 based on an assimilation of OMI, MLS, TES, and MOPITT satellite data Reviewed

    Miyazaki K., Eskes H. J., Sudo K.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 15 ( 14 ) page: 8315-8348   2015

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    DOI: 10.5194/acp-15-8315-2015

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  71. Use of North American and European air quality networks to evaluate global chemistry-climate modeling of surface ozone Reviewed

    Schnell J. L., Prather M. J., Josse B., Naik V., Horowitz L. W., Cameron-Smith P., Bergmann D., Zeng G., Plummer D. A., Sudo K., Nagashima T., Shindell D. T., Faluvegi G., Strode S. A.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 15 ( 18 ) page: 10581-10596   2015

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    DOI: 10.5194/acp-15-10581-2015

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  72. Roles of transport and chemistry processes in global ozone change on interannual and multidecadal time scales Reviewed

    Sekiya T., Sudo K.

    JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES   Vol. 119 ( 8 ) page: 4903-4921   2014.4

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    DOI: 10.1002/2013JD020838

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  73. 地球温暖化 第4講 大気汚染と地球温暖化 Invited Reviewed

    須藤健悟

    大気環境学会誌   Vol. 49 ( 2 ) page: A25-A35   2014.1

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    アジア域では、土地利用変化などに伴う植生改変およびエアロゾルの増加が顕著であり、これらの変動は陸面過程、大気放射、および雲・降水を変化させ、アジアモンスーンなどのアジア域気候に影響している可能性が大きい。本研究では、植生改変とエアロゾル変動の役割という観点から、総合的に気候影響を検討している。本論文では、特に、農地化などの土地利用変化が、陸面、および硝酸塩や植生起源有機炭素などのエアロゾル成分の変動を通じて、どのように気候に影響するかについて、全球化学・エアロゾル気候モデルを用いた最新の結果について紹介する。

  74. Roles of transport and chemistry processes in global ozone change on interannual and multidecadal time scales Reviewed

    Sekiya, T. and K. Sudo

    J. Geophys. Res.   Vol. 119 ( 8 ) page: 4903-4921   2014

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  75. Long-term MAX-DOAS network observations of NO2 in Russia and Asia (MADRAS) during the period 2007-2012: instrumentation, elucidation of climatology, and comparisons with OMI satellite observations and global model simulations Reviewed

    Kanaya, Y., H. Irie, H. Takashima, H. Iwabuchi, H. Akimoto, K. Sudo, M. Gu, J. Chong, Y. J. Kim, H. Lee, A. Li, F. Si, J. Xu, P.-H. Xie, W.-Q. Liu, A. Dzhola, O. Postylyakov, V. Ivanov, E. Grechko, S. Terpugova, and M. Panchenko

    Atmos. Chem. Phys.   Vol. 14   page: 7909-7927   2014

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  76. Global lightning NOx production estimated by an assimilation of multiple satellite data sets Reviewed

    Miyazaki, K., H. J. Eskes, K. Sudo, and C. Zhang

    Atmos. Chem. Phys.   Vol. 14   page: 3277-3305.   2014

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  77. Global lightning NOx production estimated by an assimilation of multiple satellite data sets Reviewed International coauthorship

    Miyazaki K., Eskes H. J., Sudo K., Zhang C.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 14 ( 7 ) page: 3277-3305   2014

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

    DOI: 10.5194/acp-14-3277-2014

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  78. Long-term MAX-DOAS network observations of NO2 in Russia and Asia (MADRAS) during the period 2007-2012: instrumentation, elucidation of climatology, and comparisons with OMI satellite observations and global model simulations Reviewed International coauthorship

    Kanaya Y., Irie H., Takashima H., Iwabuchi H., Akimoto H., Sudo K., Gu M., Chong J., Kim Y. J., Lee H., Li A., Si F., Xu J., Xie P. -H., Liu W. -Q., Dzhola A., Postylyakov O., Ivanov V., Grechko E., Terpugova S., Panchenko M.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 14 ( 15 ) page: 7909-7927   2014

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    DOI: 10.5194/acp-14-7909-2014

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  79. Three decades of global methane sources and sinks Reviewed

    Kirschke Stefanie, Bousquet Philippe, Ciais Philippe, Saunois Marielle, Canadell Josep G., Dlugokencky Edward J., Bergamaschi Peter, Bergmann Daniel, Blake Donald R., Bruhwiler Lori, Cameron-Smith Philip, Castaldi Simona, Chevallier Frederic, Feng Liang, Fraser Annemarie, Heimann Martin, Hodson Elke L., Houweling Sander, Josse Beatrice, Fraser Paul J., Krummel Paul B., Lamarque Jean-Francois, Langenfelds Ray L., Le Quere Corinne, Naik Vaishali, O'Doherty Simon, Palmer Paul I., Pison Isabelle, Plummer David, Poulter Benjamin, Prinn Ronald G., Rigby Matt, Ringeval Bruno, Santini Monia, Schmidt Martina, Shindell Drew T., Simpson Isobel J., Spahni Renato, Steele L. Paul, Strode Sarah A., Sudo Kengo, Szopa Sophie, van der Werf Guido R., Voulgarakis Apostolos, van Weele Michiel, Weiss Ray F., Williams Jason E., Zeng Guang

    NATURE GEOSCIENCE   Vol. 6 ( 10 ) page: 813-823   2013.10

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    DOI: 10.1038/NGEO1955

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  80. Long-term ozone changes and associated climate impacts in CMIP5 simulations Reviewed

    Eyring V., Arblaster J. M., Cionni I., Sedlacek J., Perliwitz J., Young P. J., Bekki S., Bergmann D., Cameron-Smith P., Collins W. J., Faluvegi G., Gottschaldt K. D., Horowitz L. W., Kinnison D. E., Lamarque J. F., Marsh D. R., Saint-Martin D., Shindell D. T., Sudo K., Szopa S., Watanabe S.

    JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES   Vol. 118 ( 10 ) page: 5029-5060   2013.5

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    DOI: 10.1002/jgrd.50316

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  81. Evaluation of preindustrial to present-day black carbon and its albedo forcing from Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP) Reviewed

    Lee,Y. H., J.-F. Lamarque, M. G. Flanner, K. Sudo, et al.

    Atmos. Chem. Phys.   Vol. 13 ( 5 ) page: 2607-2634   2013.1

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  82. Three decades of global methane sources and sinks Reviewed

    Kirschke, S., P. Bousquet, P. Ciais, K. Sudo, et al.

    Nature Geosci.,   Vol. 6 ( 10 ) page: 813–823   2013.1

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    DOI: doi:10.1038/ngeo1955.

  83. Preindustrial to present-day changes in tropospheric hydroxyl radical and methane lifetime from the Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP) Reviewed

    Naik, V., Voulgarakis, A., Fiore, A. M., K. Sudo, et al.

    Atmos. Chem. Phys.   Vol. 13 ( 5 ) page: 5277-5298   2013.1

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    DOI: doi:10.5194/acp-13-5277-2013

  84. Evaluation of ACCMIP outgoing longwave radiation from tropospheric ozone using TES satellite observations Reviewed

    Bowman, K. W., Shindell, D. T., Worden, H. M., Sudo K., et al.

    Atmos. Chem. Phys.   Vol. 13 ( 5 ) page: 4057-4072   2013.1

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    DOI: doi:10.5194/acp-13-4057-2013

  85. Tropospheric ozone changes, radiative forcing and attribution to emissions in the Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP) Reviewed

    Stevenson, D. S., Young, P. J., Naik, V., K. Sudo, et al.

    Atmos. Chem. Phys.   Vol. 13 ( 5 ) page: 3063-3085   2013.1

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    DOI: doi:10.5194/acp-13-3063-2013

  86. Radiative forcing in the ACCMIP historical and future climate simulations Reviewed

    Shindell, D. T., Lamarque, J.-F., Schulz, M., K. Sudo, et al.

    Atmos. Chem. Phys.   Vol. 13 ( 5 ) page: 2939-2974   2013.1

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    DOI: doi:10.5194/acp-13-2939-2013

  87. Global premature mortality due to anthropogenic outdoor air pollution and the contribution of past climate change Reviewed

    Silva, R. A., J. J. West, Y. Q. Zhang, S. C. Anenberg, J. F. Lamarque, D. T. Shindell, W. J. Collins, S. Dalsoren, G. Faluvegi, G. Folberth, L. W. Horowitz, T. Nagashima, V. Naik, S. Rumbold, R. Skeie, K. Sudo, T. Takemura, D. Bergmann, P. Cameron-Smith, I. Cionni, R. M. Doherty, V. Eyring, B. Josse, I. A. MacKenzie, D. Plummer, M. Righi, D. S. Stevenson, S. Strode, S. Szopa and G. Zeng

    Environmental Research Letters   Vol. 8 ( 3 )   2013.1

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    DOI: doi:10.1088/1748-9326/8/3/034005.

  88. Analysis of present day and future OH and methane lifetime in the ACCMIP simulations Reviewed

    Voulgarakis, A., V. Naik, J.-F. Lamarque, D. T. Shindell, K. Sudo, et al.

    Atmos. Chem. Phys.   Vol. 13 ( 5 ) page: 2563-2587   2013.1

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  89. Pre-industrial to end 21st century projections of tropospheric ozone from the Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP) Reviewed

    Young, P. J., A. T. Archibald, K. W. Bowman, J.-F. Lamarque, K. Sudo, et al.

    Atmos. Chem. Phys.   Vol. 13 ( 5 ) page: 2063-2090   2013.1

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  90. The Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP): overview and description of models, simulations and climate diagnostics Reviewed

    J.-F. Lamarque, D. T. Shindell, B. Josse, P. J. Young, K. Sudo, et al.

    Geosci. Model Dev.   Vol. 6   page: 179-206.   2013.1

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  91. Long-term ozone changes and associated climate impacts in CMIP5 simulations Reviewed

    Eyring, V., J. M. Arblaster, I. Cionni, K. Sudo, et al.

    J. Geophys. Res. Atmos.   Vol. 118   page: 5029–5060   2013.1

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    DOI: doi:10.1002/jgrd.50316

  92. Evaluation of ACCMIP outgoing longwave radiation from tropospheric ozone using TES satellite observations Reviewed

    Bowman K. W., Shindell D. T., Worden H. M., Lamarque J. F., Young P. J., Stevenson D. S., Qu Z., de la Torre M., Bergmann D., Cameron-Smith P. J., Collins W. J., Doherty R., Dalsoren S. B., Faluvegi G., Folberth G., Horowitz L. W., Josse B. M., Lee Y. H., MacKenzie I. A., Myhre G., Nagashima T., Naik V., Plummer D. A., Rumbold S. T., Skeie R. B., Strode S. A., Sudo K., Szopa S., Voulgarakis A., Zeng G., Kulawik S. S., Aghedo A. M., Worden J. R.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 13 ( 8 ) page: 4057-4072   2013

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    DOI: 10.5194/acp-13-4057-2013

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  93. Radiative forcing in the ACCMIP historical and future climate simulations Reviewed

    Shindell D. T., Lamarque J. -F., Schulz M., Flanner M., Jiao C., Chin M., Young P. J., Lee Y. H., Rotstayn L., Mahowald N., Milly G., Faluvegi G., Balkanski Y., Collins W. J., Conley A. J., Dalsoren S., Easter R., Ghan S., Horowitz L., Liu X., Myhre G., Nagashima T., Naik V., Rumbold S. T., Skeie R., Sudo K., Szopa S., Takemura T., Voulgarakis A., Yoon J. -H., Lo F.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 13 ( 6 ) page: 2939-2974   2013

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    DOI: 10.5194/acp-13-2939-2013

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  94. Preindustrial to present-day changes in tropospheric hydroxyl radical and methane lifetime from the Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP) Reviewed

    Naik V., Voulgarakis A., Fiore A. M., Horowitz L. W., Lamarque J. -F., Lin M., Prather M. J., Young P. J., Bergmann D., Cameron-Smith P. J., Cionni I., Collins W. J., Dalsoren S. B., Doherty R., Eyring V., Faluvegi G., Folberth G. A., Josse B., Lee Y. H., MacKenzie I. A., Nagashima T., van Noije T. P. C., Plummer D. A., Righi M., Rumbold S. T., Skeie R., Shindell D. T., Stevenson D. S., Strode S., Sudo K., Szopa S., Zeng G.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 13 ( 10 ) page: 5277-5298   2013

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    DOI: 10.5194/acp-13-5277-2013

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  95. Pre-industrial to end 21st century projections of tropospheric ozone from the Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP) Reviewed

    Young P. J., Archibald A. T., Bowman K. W., Lamarque J. -F., Naik V., Stevenson D. S., Tilmes S., Voulgarakis A., Wild O., Bergmann D., Cameron-Smith P., Cionni I., Collins W. J., Dalsoren S. B., Doherty R. M., Eyring V., Faluvegi G., Horowitz L. W., Josse B., Lee Y. H., MacKenzie I. A., Nagashima T., Plummer D. A., Righi M., Rumbold S. T., Skeie R. B., Shindell D. T., Strode S. A., Sudo K., Szopa S., Zeng G.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 13 ( 4 ) page: 2063-2090   2013

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    DOI: 10.5194/acp-13-2063-2013

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  96. Global premature mortality due to anthropogenic outdoor air pollution and the contribution of past climate change Reviewed

    Silva Raquel A., West J. Jason, Zhang Yuqiang, Anenberg Susan C., Lamarque Jean-Francois, Shindell Drew T., Collins William J., Dalsoren Stig, Faluvegi Greg, Folberth Gerd, Horowitz Larry W., Nagashima Tatsuya, Naik Vaishali, Rumbold Steven, Skeie Ragnhild, Sudo Kengo, Takemura Toshihiko, Bergmann Daniel, Cameron-Smith Philip, Cionni Irene, Doherty Ruth M., Eyring Veronika, Josse Beatrice, MacKenzie I. A., Plummer David, Righi Mattia, Stevenson David S., Strode Sarah, Szopa Sophie, Zeng Guang

    ENVIRONMENTAL RESEARCH LETTERS   Vol. 8 ( 3 )   2013

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    DOI: 10.1088/1748-9326/8/3/034005

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  97. Evaluation of preindustrial to present-day black carbon and its albedo forcing from Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP) (vol 13, pg 2607, 2013) Reviewed

    Lee Y. H., Lamarque J. -F., Flanner M. G., Jiao C., Shindell D. T., Berntsen T., Bisiaux M. M., Cao J., Collins W. J., Curran M., Edwards R., Faluvegi G., Ghan S., Horowitz L. W., McConnell J. R., Ming J., Myhre G., Nagashima T., Naik V., Rumbold S. T., Skeie R. B., Sudo K., Takemura T., Thevenon F., Xu B., Yoon J-H

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 13 ( 13 ) page: 6553-6554   2013

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    DOI: 10.5194/acp-13-6553-2013

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  98. Evaluation of preindustrial to present-day black carbon and its albedo forcing from Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP) Reviewed

    Lee Y. H., Lamarque J. -F., Flanner M. G., Jiao C., Shindell D. T., Berntsen T., Bisiaux M. M., Cao J., Collins W. J., Curran M., Edwards R., Faluvegi G., Ghan S., Horowitz L. W., McConnell J. R., Ming J., Myhre G., Nagashima T., Naik V., Rumbold S. T., Skeie R. B., Sudo K., Takemura T., Thevenon F., Xu B., Yoon J. -H.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 13 ( 5 ) page: 2607-2634   2013

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    DOI: 10.5194/acp-13-2607-2013

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  99. Tropospheric ozone changes, radiative forcing and attribution to emissions in the Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP) Reviewed

    Stevenson D. S., Young P. J., Naik V., Lamarque J. -F., Shindell D. T., Voulgarakis A., Skeie R. B., Dalsoren S. B., Myhre G., Berntsen T. K., Folberth G. A., Rumbold S. T., Collins W. J., MacKenzie I. A., Doherty R. M., Zeng G., van Noije T. P. C., Strunk A., Bergmann D., Cameron-Smith P., Plummer D. A., Strode S. A., Horowitz L., Lee Y. H., Szopa S., Sudo K., Nagashima T., Josse B., Cionni I., Righi M., Eyring V., Conley A., Bowman K. W., Wild O., Archibald A.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 13 ( 6 ) page: 3063-3085   2013

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    DOI: 10.5194/acp-13-3063-2013

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  100. Role of meteorological variability in global tropospheric ozone during 1970-2008

    Sekiya Takashi, Sudo Kengo

    JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES   Vol. 117   2012.9

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    DOI: 10.1029/2012JD018054

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  101. Global Modeling of Secondary Organic Aerosol in a Chemistry Coupled Climate Model Invited Reviewed

    Kengo Sudo, Yukie Ogihara

    Earozoru Kenkyu   Vol. 27 ( 1 ) page: 51-61   2012.4

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  102. Simulation of urban and regional air pollution in Bangladesh Reviewed

    Ibn Azkar, M. A. M. B., S. Chatani, and K. Sudo

    Journal of Geophysical Research     page: in press   2012.4

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    We have developed a regional scale air quality simulation using the Weather Research and Forecasting (WRF) - Community Multiscale Air Quality Model (CMAQ) to assess the suitability of such an advanced modeling system for predicting the air quality of Bangladesh and its surrounding region. The Regional Emission Inventory in Asia (REAS) was used as the emission input in this modeling approach. Both meteorological and chemical model performance were evaluated with observations including satellite data. Comparison between simulated and observed meteorological parameters revealed that the WRF can generate the necessary meteorological inputs for CMAQ. Comparison of observed and simulated concentrations of different air pollutants revealed that CMAQ greatly underestimates the concentrations of key pollutants. Comparison with satellite observations revealed that CMAQ reproduces the spatial distribution of NO2 with some underestimation in Bangladesh and India. The simulated AOD and satellite-retrieved AOD showed good temporal and spatial agreement mutually, with a correlation coefficient of 0.58. Sensitivity simulation using higher horizontal resolution emission data made by re-gridding the REAS inventory with the population distribution improved the CMAQ performance. Nevertheless, CMAQ underestimated the pollutant concentrations in Dhaka. Uncertainties in the emission inventory and in the lack of time variation in emissions input mainly contributed to the model underestimation. Model predictions show that 36-72% PM10 and 15-60% PM2.5 in Dhaka might be contributed from brick kiln emissions in monthly average of January 2004. The chemical composition of PM2.5 showed that the considerable amounts of secondary aerosols in Dhaka and carbonaceous components (particularly organic carbon) are most responsible for the model underestimation. Results suggest that improvements of emission inputs and more detailed sensitivity analysis of CMAQ model are important to assess the reliability and applicability of WRF-CMAQ modeling system in this region.

    DOI: 10.1029/2011JD016509

  103. Enhanced Mid-Latitude Tropospheric Column Ozone over East Asia: Coupled Effects of Stratospheric Ozone Intrusion and Anthropogenic Sources Reviewed

    Nakatani Aya, Kondo Sayako, Hayashida Sachiko, Nagashima Tatsuya, Sudo Kengo, Liu Xiong, Chance Kelly, Hirota Isamu

    JOURNAL OF THE METEOROLOGICAL SOCIETY OF JAPAN   Vol. 90 ( 2 ) page: 207-222   2012.4

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    DOI: 10.2151/jmsj.2012-204

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  104. Enhanced Mid-Latitude Tropospheric Column Ozone over East Asia: Coupled Effects of Stratospheric Ozone Intrusion and Anthropogenic Sources Reviewed

    Nakatani, A., S. Kondo, S. Hayashida, T. Nagashima, K. Sudo, X. Liu, K. Chance, and I. Hirota

    J. Meteor. Soc. Japan   Vol. 90 ( 2 ) page: 207-222   2012.1

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    DOI: doi:10.2151/jmsj.2012-204

  105. Simultaneous assimilation of satellite NO2, O3, CO, and HNO3 data for the analysis of tropospheric chemical composition and emissions Reviewed

    Miyazaki, K., H. J. Eskes, K. Sudo, M. Takigawa, M. van Weele, and K. F. Boersma

    Atmospheric Chemistry and Physics   Vol. 12 ( 20 ) page: 9545-9579   2012.1

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  106. Role of meteorological variability in global tropospheric ozone during 1970-2008 Reviewed

    Sekiya, T. and K. Sudo

    J. Geophys. Res.   Vol. 117 ( D18 )   2012.1

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    DOI: doi:10.1029/2012JD018054

  107. Anthropogenic changes in the surface all-sky UVB radiation through 1850-2005 simulated by an Earth system model Reviewed

    Watanabe, S., T. Takemura, K. Sudo, T. Yokohata, and H. Kawase

    Atmospheric Chemistry and Physics   Vol. 12   page: 5249-5257   2012.1

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  108. Global air quality and climate Reviewed

    Fiore, A.M., Vaishali Naik, Dominick V. Spracklen, Allison Steiner, Nadine Unger, Michael Prather, Dan Bergmann, Philip J. Cameron-Smith, Irene Cionni, William J. Collins, Stig Dalsoren, Veronika Eyring, Gerd A. Folberth, Paul Ginoux, Larry W. Horowitz, Beatrice Josse, J-F Lamarque, Ian A. MacKenzie, Tatsuya Nagashima, Fiona M. O'Connor, Mattia Righi, Steven T. Rumbold, Drew T. Shindell, Ragnhild B. Skeie, Kengo Sudo, Sophie Szopa, Toshihiko Takemura and Guang Zeng

    Chem. Soc. Rev.   Vol. 41   page: 6663-6683   2012.1

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    DOI: doi:10.1039/c2cs35095e

  109. Global NOx emission estimates derived from an assimilation of OMI tropospheric NO2 columns Reviewed

    K. Miyazaki, H. J. Eskes, and K. Sudo

    Atmos. Chem. Phys.   Vol. 12   page: 2263-2288   2012

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    A data assimilation system has been developed to estimate global nitrogen oxides (NOx) emissions using OMI tropospheric NO2 columns (DOMINO product) and a global chemical transport model (CTM), the Chemical Atmospheric GCM for Study of Atmospheric Environment and Radiative Forcing (CHASER). The data assimilation system, based on an ensemble Kalman filter approach, was applied to optimize daily NOx emissions with a horizontal resolution of 2.8° during the years 2005 and 2006. The background error covariance estimated from the ensemble CTM forecasts explicitly represents non-direct relationships between the emissions and tropospheric columns caused by atmospheric transport and chemical processes. In comparison to the a priori emissions based on bottom-up inventories, the optimized emissions were higher over eastern China, the eastern United States, southern Africa, and central-western Europe, suggesting that the anthropogenic emissions are mostly underestimated in the inventories. In addition, the seasonality of the estimated emissions differed from that of the a priori emission over several biomass burning regions, with a large increase over Southeast Asia in April and over South America in October. The data assimilation results were validated against independent data: SCIAMACHY tropospheric NO2 columns and vertical NO2 profiles obtained from aircraft and lidar measurements. The emission correction greatly improved the agreement between the simulated and observed NO2 fields; this implies that the data assimilation system efficiently derives NOx emissions from concentration observations. We also demonstrated that biases in the satellite retrieval and model settings used in the data assimilation largely affect the magnitude of estimated emissions. These dependences should be carefully considered for better understanding NOx sources from top-down approaches.

    DOI: 10.5194/acp-12-2263-2012

  110. Anthropogenic changes in the surface all-sky UV-B radiation through 1850-2005 simulated by an Earth system model Reviewed

    Watanabe S., Takemura T., Sudo K., Yokohata T., Kawase H.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 12 ( 11 ) page: 5249-5257   2012

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    DOI: 10.5194/acp-12-5249-2012

    Web of Science

  111. Simultaneous assimilation of satellite NO2, O-3, CO, and HNO3 data for the analysis of tropospheric chemical composition and emissions Reviewed

    Miyazaki K., Eskes H. J., Sudo K., Takigawa M., van Weele M., Boersma K. F.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 12 ( 20 ) page: 9545-9579   2012

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    DOI: 10.5194/acp-12-9545-2012

    Web of Science

  112. Global air quality and climate Reviewed

    Fiore Arlene M., Naik Vaishali, Spracklen Dominick V., Steiner Allison, Unger Nadine, Prather Michael, Bergmann Dan, Cameron-Smith Philip J., Cionni Irene, Collins William J., Dalsoren Stig, Eyring Veronika, Folberth Gerd A., Ginoux Paul, Horowitz Larry W., Josse Beatrice, Lamarque Jean-Francois, MacKenzie Ian A., Nagashima Tatsuya, O'Connor Fiona M., Righi Mattia, Rumbold Steven T., Shindell Drew T., Skeie Ragnhild B., Sudo Kengo, Szopa Sophie, Takemura Toshihiko, Zeng Guang

    CHEMICAL SOCIETY REVIEWS   Vol. 41 ( 19 ) page: 6663-6683   2012

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

    DOI: 10.1039/c2cs35095e

    Web of Science

  113. A study of uncertainties in the sulfate distribution and its radiative forcing associated with sulfur chemistry in a global aerosol model, Reviewed

    Goto, D., Nakajima, T., Takemura, T., and Sudo, K.

    Atmospheric Chemistry and Physics   Vol. 11   page: 10889-10910   2011.11

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    DOI: doi:10.5194/acp-11-10889-2011

  114. Influences of the variation in inflow to East Asia on surface ozone over Japan during 1996-2005 Reviewed

    Chatani, S. and K. Sudo

    Atmospheric Chemistry and Physics   Vol. 11   page: 8745-8758   2011.11

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    DOI: doi:10.5194/acp-11-8745-2011

  115. Future changes in tropospheric ozone under Representative Concentration Pathways (RCPs) Reviewed

    Kawase, H., T. Nagashima, K. Sudo, and T. Nozawa

    Geophys. Res. Lett.   Vol. 38 ( L05801 )   2011.11

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    DOI: doi:10.1029/2010GL046402

  116. Future projections of surface UV-B in a changing climate Reviewed

    Watanabe, S., K. Sudo, T. Nagashima, T. Takemura, H. Kawase, and T. Nozawa

    J. Geophys. Res.   Vol. 116 ( D16118 )   2011.11

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    DOI: doi:10.1029/2011JD015749

  117. The impact of soil uptake on the global distribution of molecular hydrogen: chemical transport model simulation Reviewed

    Yashiro, H., K. Sudo, Yonemura, S., and Takigawa, M.

    Atmospheric Chemistry and Physics   Vol. 11   page: 6701-6719   2011.11

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    DOI: doi:10.5194/acp-11-6701-2011

  118. Future projections of surface UV-B in a changing climate Reviewed

    Watanabe S., Sudo K., Nagashima T., Takemura T., Kawase H., Nozawa T.

    JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES   Vol. 116   2011.8

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    DOI: 10.1029/2011JD015749

    Web of Science

  119. Future changes in tropospheric ozone under Representative Concentration Pathways (RCPs) Reviewed

    Kawase Hiroaki, Nagashima Tatsuya, Sudo Kengo, Nozawa Toru

    GEOPHYSICAL RESEARCH LETTERS   Vol. 38   2011.3

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    DOI: 10.1029/2010GL046402

    Web of Science

  120. MIROC-ESM 2010: model description and basic results of CMIP5-20c3m experiments, Reviewed

    Watanabe, S., Hajima, T., Sudo,K., Nagashima, T., Takemura, T., Okajima, H., Nozawa, T., Kawase, H., Abe, M., Yokohata, T., Ise, T., Sato, H., Kato, E., Takata, K., Emori, S., and Kawamiya, M.:

    Geosci. Model Dev   Vol. 4 ( 2256 ) page: 845-872   2011

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    DOI: doi:10.5194/gmd-4-845-2011

  121. Evaluation of methane emissions from West Siberian wetlands based on inverse modeling Reviewed

    H-S. Kim, S. Maksyutov, M. V. Glagolev, T. Machida, P. K. Patra, K. Sudo and G. Inoue

    Environ. Res. Lett.   Vol. 6 ( 035201 )   2011

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    DOI: doi:10.1088/1748-9326/6/3/035201

  122. A study of uncertainties in the sulfate distribution and its radiative forcing associated with sulfur chemistry in a global aerosol model Reviewed

    Goto D., Nakajima T., Takemura T., Sudo K.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 11 ( 21 ) page: 10889-10910   2011

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

    DOI: 10.5194/acp-11-10889-2011

    Web of Science

  123. The impact of soil uptake on the global distribution of molecular hydrogen: chemical transport model simulation Reviewed

    Yashiro H., Sudo K., Yonemura S., Takigawa M.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 11 ( 13 ) page: 6701-6719   2011

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

    DOI: 10.5194/acp-11-6701-2011

    Web of Science

  124. MIROC-ESM 2010: model description and basic results of CMIP5-20c3m experiments Reviewed

    Watanabe S., Hajima T., Sudo K., Nagashima T., Takemura T., Okajima H., Nozawa T., Kawase H., Abe M., Yokohata T., Ise T., Sato H., Kato E., Takata K., Emori S., Kawamiya M.

    GEOSCIENTIFIC MODEL DEVELOPMENT   Vol. 4 ( 4 ) page: 845-872   2011

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

    DOI: 10.5194/gmd-4-845-2011

    Web of Science

  125. Influences of the variation in inflow to East Asia on surface ozone over Japan during 1996-2005 Reviewed

    Chatani S., Sudo K.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 11 ( 16 ) page: 8745-8758   2011

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

    DOI: 10.5194/acp-11-8745-2011

    Web of Science

  126. Evaluation of methane emissions from West Siberian wetlands based on inverse modeling Reviewed

    Kim H-S, Maksyutov S., Glagolev M. V., Machida T., Patra P. K., Sudo K., Inoue G.

    ENVIRONMENTAL RESEARCH LETTERS   Vol. 6 ( 3 )   2011

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    DOI: 10.1088/1748-9326/6/3/035201

    Web of Science

  127. Influences of the variation in inflow to East Asia on surface ozone over Japan during 1996-2005 Reviewed

    S.Chatani and K.Sudo

    Atmospheric Chemistry and Physics Discussions   Vol. 10   page: 30823-30856   2010.12

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  128. The relative importance of various source regions on East Asiansurface ozone Reviewed

    T.Nagashima, T.Ohara, K.Sudo, H.Akimoto

    Atmospheric Chemistry and Physics   Vol. 10   page: 11305-11322   2010.11

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    We estimated the source-receptor relationship
    for surface O3 in East Asia during the early 2000s using
    a method that tags O3 tracers according to their region of
    chemical production (tagged tracer method) with a global
    chemical transport model. The estimation demonstrated the
    importance of intracontinental transport of O3 inside East
    Asia as well as of the transport of O3 from distant source
    regions.

  129. Coupled effects of land use and aerosols changes and their impacts on Asian climate Invited Reviewed

    Kengo Sudo, Kumiko Takata, Toshihiko, Takemura, Hiroshi Kanzawa, Tetsuzo Yasunari

    Low Temperature Science   Vol. 68   page: 129-136   2010.3

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    This study assesses the roles of aerosols in the past/present changes in Asian climate and monsoon, isolating impacts of individual aerosol components in the framework of the CCSR/NIES/FRCGC climate model (MIROC). Many recent studies suggest that increases in anthropogenic aerosols such as black carbon and sulfate may play a crucial role in Asian climate change as observed. Our previous studies also demonstrate the significance of aerosol increases (sulfate and carbonaceous aerosols) in the simulated precipitation changes in Asia (e.g., Arai et al., 2009). In this study, we particularly focus on the changes of nitrate and secondary organic aerosols (SOA) which are tightly linked to land use change in regions like Asia, but not treated in our previous aerosol studies. We newly introduced simulation of nitrate aerosol in our climate model. Our simulation shows that there are anomalously high concentrations of nitrate aerosol in South Asia (particularly around India and Bangladesh), coming from abundant ammonium and less sulfate components in this region. In India, free tropospheric mixing ratio and number concentration of nitrate in fine mode are both larger than those of sulfate in winter to early summer. Our study estimates large cooling (1-2 W m-2) in South Asia due to nitrate increase in terms of direct radiative forcing for 1850-2000. This result suggests nitrate aerosol may play an important role in the observed changes in Asian monsoon. In addition, we estimate changes in biogenic VOCs emissions associated with land use change during 1850-2000; biogenic VOCs like terpenes are important precursors of SOA. We estimate significant reduction (50-70%) in terpenes and other VOCs emissions in the central Eurasia, North America, and Asia due to intense cultivation and deforestation in these areas. Responding to the VOCs decreases during 1850-2000, our model calculates large reduction of SOA, leading to a positive direct radiative forcing (warming) of 0.5-1 W m-2 in Sou

  130. A multi-model analysis of vertical ozone profiles Reviewed

    Jonson,J.E., A. Stohl, A. M. Fiore, P. Hess, S. Szopa, O. Wild, G. Zeng, F. J. Dentener, A. Lupu, M. G. Schultz, B. N. Duncan, K. Sudo, et al.

    Atmospheric Chemistry and Physics   Vol. 10   page: 5759-5783   2010

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  131. The relative importance of various source regions on East Asian surface ozone Reviewed

    Nagashima T., Ohara T., Sudo K., Akimoto H.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 10 ( 22 ) page: 11305-11322   2010

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    DOI: 10.5194/acp-10-11305-2010

    Web of Science

  132. A multi-model analysis of vertical ozone profiles Reviewed

    Jonson J. E., Stohl A., Fiore A. M., Hess P., Szopa S., Wild O., Zeng G., Dentener F. J., Lupu A., Schultz M. G., Duncan B. N., Sudo K., Wind P., Schulz M., Marmer E., Cuvelier C., Keating T., Zuber A., Valdebenito A., Dorokhov V., De Backer H., Davies J., Chen G. H., Johnson B., Tarasick D. W., Stuebi R., Newchurch M. J., von der Gathen P., Steinbrecht W., Claude H.

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 10 ( 12 ) page: 5759 - 5783   2010

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.5194/acp-10-5759-2010

    Web of Science

  133. Temporal and spatial variations of carbon monoxide over the western part of the Pacific Ocean Reviewed

    Yashiro Hisashi, Sugawara Satoshi, Sudo Kengo, Aoki Shuji, Nakazawa Takakiyo

    JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES   Vol. 114   2009.4

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

    DOI: 10.1029/2008JD010876

    Web of Science

  134. Temporal and spatial variations of carbon monoxide over the western part of the Pacific Ocean Reviewed

    Yashiro, H., S. Sugawara, K. Sudo, S. Aoki, and T. Nakazawa

    Journal of Geophysical Research     page: doi:10.1029/2008JD010876   2009

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  135. Development of an Atmospheric General Circulation Model for Integrated Earth System Modeling on the Earth Simulator Reviewed

    Watanabe,S.,H. Miura,M. Sekiguchi,T. Nagashima,K. Sudo,S. Emori,M. Kawamiya

    J. Earth Sim.   Vol. 9   page: 27-35   2008

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    The project aims at development of an integrated earth system model, where biological and chemical processes important for the global environment are included to interact with climate changes. The model is developed by adding individual component models to atmospheric and oceanic general circulation models
    (GCMs).The component models are terrestrial and oceanic carbon cycle models and an atmospheric chemistry
    model.

  136. Global modeling analysis of tropospheric ozone and its radiative forcing from biomass burning emissions in the twentieth century

    Ito Akinori, Sudo Kengo, Akimoto Hajime, Sillman Sanford, Penner Joyce E.

    JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES   Vol. 112 ( D24 )   2007.12

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

    DOI: 10.1029/2007JD008745

    Web of Science

  137. Global source attribution of tropospheric ozone: Long-range transport from various source regions Reviewed

    Sudo K., Akimoto H.

    JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES   Vol. 112 ( D12 )   2007.6

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

    DOI: 10.1029/2006JD007992

    Web of Science

  138. Multi-model simulations of the impact of international shipping on atmospheric chemistry and climate in 2000 and 2030 Reviewed

    V. Eyring, D. S. Stevenson, A. Lauer, F. J. Dentener, T. Butler, W. J. Collins, K. Ellingsen, M. Gauss, D. A. Hauglustaine, I. S. A. Isaksen, M. G. Lawrence, A. Richter, J. M. Rodriguez, M. Sanderson, S. E. Strahan, K. Sudo, S. Szopa, T. P. C. van Noije, and O. Wild

    Atmospheric Chemistry and Physics   Vol. 7   page: 757-780   2007

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    The global impact of shipping on atmospheric chemistry and radiative forcing, as well as the associated uncertainties, have been quantified using an ensemble of ten state-of-the-art atmospheric chemistry models and a pre-defined set of emission data. The analysis is performed for present-day conditions (year 2000) and for two future ship emission scenarios.

  139. *Global source attribution of tropospheric ozone: Long-range transport from various source regions Reviewed

    Sudo, K. and H. Akimoto

    J. Geophys. Res   Vol. 112 ( D12302 ) page: doi:10.1029/2006JD007992   2007

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    We examine contributions from various source regions to global distributions and
    budgets of tropospheric ozone (O3) in the context of intercontinental transport, using
    tagged tracer simulation with a global chemical transport model. For tagging O3, we
    consider regional separation of the model domain on the basis of the distributions of O3
    chemical production. We define 14 polluted source regions (14 tracers) in the boundary
    layer (North America, Europe, China, etc.) and 8 regions (8 tracers) in the free
    troposphere; O3 production in the remaining (remote) tropospheric region and O3 transport
    from the stratosphere are also tagged as separate tracers.

  140. Multimodel simulations of carbon monoxide: Comparison with observations and projected near-future changes

    Shindell D. T., Faluvegi G., Stevenson D. S., Krol M. C., Emmons L. K., Lamarque J. -F., Petron G., Dentener F. J., Ellingsen K., Schultz M. G., Wild O., Amann M., Atherton C. S., Bergmann D. J., Bey I., Butler T., Cofala J., Collins W. J., Derwent R. G., Doherty R. M., Drevet J., Eskes H. J., Fiore A. M., Gauss M., Hauglustaine D. A., Horowitz L. W., Isaksen I. S. A., Lawrence M. G., Montanaro V., Mueller J. -F., Pitari G., Prather M. J., Pyle J. A., Rast S., Rodriguez J. M., Sanderson M. G., Savage N. H., Strahan S. E., Sudo K., Szopa S., Unger N., van Noije T. P. C., Zeng G.

    JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES   Vol. 111 ( D19 )   2006.10

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    DOI: 10.1029/2006JD007100

    Web of Science

  141. The global atmospheric environment for the next generation

    Dentener F., Stevenson D., Ellingsen K., van Noije T., Schultz M., Amann M., Atherton C., Bell N., Bergmann D., Bey I., Bouwman L., Butler T., Cofala J., Collins B., Drevet J., Doherty R., Eickhout B., Eskes H., Fiore A., Gauss M., Hauglustaine D., Horowitz L., Isaksen I. S. A., Josse B., Lawrence M., Krol M., Lamarque J. F., Montanaro V., Muller J. F., Peuch V. H., Pitari G., Pyle J., Rast S., Rodriguez J., Sanderson M., Savage N. H., Shindell D., Strahan S., Szopa S., Sudo K., Van Dingenen R., Wild O., Zeng G.

    ENVIRONMENTAL SCIENCE & TECHNOLOGY   Vol. 40 ( 11 ) page: 3586 - 3594   2006.6

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

    DOI: 10.1021/es0523845

    Web of Science

  142. Multimodel ensemble simulations of present-day and near-future tropospheric ozone

    Stevenson DS, Dentener FJ, Schultz MG, Ellingsen K, van Noije TPC, Wild O, Zeng G, Amann M, Atherton CS, Bell N, Bergmann DJ, Bey I, Butler T, Cofala J, Collins WJ, Derwent RG, Doherty RM, Drevet J, Eskes HJ, Fiore AM, Gauss M, Hauglustaine DA, Horowitz LW, Isaksen ISA, Krol MC, Lamarque JF, Lawrence MG, Montanaro V, Muller JF, Pitari G, Prather MJ, Pyle JA, Rast S, Rodriguez JM, Sanderson MG, Savage NH, Shindell DT, Strahan SE, Sudo K, Szopa S

    JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES   Vol. 111 ( D8 )   2006.4

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    DOI: 10.1029/2005JD006338

    Web of Science

  143. Radiative forcing since preindustrial times due to ozone change in the troposphere and the lower stratosphere

    Gauss M, Myhre G, Isaksen ISA, Grewe V, Pitari G, Wild O, Collins WJ, Dentener FJ, Ellingsen K, Gohar LK, Hauglustaine DA, Iachetti D, Lamarque JF, Mancini E, Mickley LJ, Prather MJ, Pyle JA, Sanderson MG, Shine KP, Stevenson DS, Sudo K, Szopa S, Zeng G

    ATMOSPHERIC CHEMISTRY AND PHYSICS   Vol. 6   page: 575 - 599   2006.2

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    Web of Science

  144. *Radiative forcing since preindustrial times due to ozone change in the troposphere and the lower stratosphere Reviewed

    Gauss M., G. Myhre, I. S. A. Isaksen, W. J. Collins, F. J. Dentener, K. Ellingsen, L. K. Gohar, V. Grewe, D. A. Hauglustaine, D. Iachetti, J.-F. Lamarque, E. Mancini, L. J. Mickley, G. Pitari, M. J. Prather, J. A. Pyle, M. G. Sanderson, K. P. Shine, D. S. Stevenson, K. Sudo, S. Szopa, O. Wild, and G. Zeng

    Atmospheric Chemistry and Physics   Vol. 6   page: 575-599   2006

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    Changes in atmospheric ozone have occurred since the preindustrial era as a result of increasing anthropogenic emissions. Within ACCENT, a European Network of Excellence, ozone changes between 1850 and 2000 are assessed for the troposphere and the lower stratosphere (up to 30 km) by a variety of seven chemistry-climate models and three chemical transport models.

  145. Multi-model ensemble simulations of tropospheric NO2 compared with GOME retrievals for the year 2000 Reviewed

    van Noije, T.P.C, H. J. Eskes, F. J. Dentener, D. S. Stevenson, K. Ellingsen, M. G. Schultz, O. Wild, M. Amann, C. S. Atherton, D. J. Bergmann, I. Bey, K. F. Boersma, T. Butler, J. Cofala, J. Drevet, A. M. Fiore, M. Gauss, D. A. Hauglustaine, L. W. Horowitz, I. S. A. Isaksen, M. C. Krol, J.-F. Lamarque, M. G. Lawrence, R. V. Martin, V. Montanaro, J.-F. Muller, G. Pitari, M. J. Prather, J. A. Pyle, A. Richter, J. M. Rodriguez, N. H. Savage, S. E. Strahan, K. Sudo, and S. Szopa

    Atmospheric Chemistry and Physics   Vol. 6   page: 2943-2979   2006

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    We present a systematic comparison of tropospheric NO2 from 17 global atmospheric chemistry models with three state-of-the-art retrievals from the Global Ozone Monitoring Experiment (GOME) for the year 2000.

  146. Nitrogen and sulfur deposition on regional and global scales: A multimodel evaluation Reviewed

    Dentener, F., J. Drevet, J.F. Lamarque, I. Bey, B. Eickhout, A.M. Fiore, D. Hauglustaine, L.W. Horowitz, M. K. Sudo, et al.

    Global Biogeochemical Cycles   Vol. 20 ( GB4003 ) page: doi:10.1029/2005GB002672   2006

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    We use 23 atmospheric chemistry transport models to calculate current and future (2030) deposition of reactive nitrogen (NOy, NHx) and sulfate (SOx) to land and ocean surfaces.

  147. *The global atmospheric environment for the next generation Reviewed

    Dentener F., D.Stevenson, K.Ellingsen, T.van Noije, M.Schultz1, M.Amann, C.Atherton, N.Bell, D.Bergmann, I.Bey, L.Bouwman, T.Butler, J.Cofala, B.Collins, J.Drevet, R.Doherty, B.Eickhout, H.Eskes, A.Fiore, M.Gauss, D.Hauglustaine, L.Horowitz, I.Isaksen, B.Josse, M.Lawrence, M.Krol, J.F.Lamarque, V.Montanaro, J.F.Muller, V.H.Peuch, G.Pitari, J.Pyle, S.Rast, J.Rodriguez, M.Sanderson, N.H.Savage, D.Shindell, S.Strahan, S.Szopa, K.Sudo, R.Van Dingenen, O.Wild, G.Zeng

    Environmental Science & Technology   Vol. 40 ( 11 ) page: 3586-3594   2006

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    Air quality, ecosystem exposure to nitrogen deposition, and climate change are intimately coupled problems: we assess changes in the global atmospheric environment between 2000 and 2030 using 26 state-of-the-art global atmospheric chemistry models and three different emissions scenarios.

  148. Evaluation of long-term tropospheric NO2 data obtained by GOME over East Asia in 1996-2002 Reviewed

    Irie, H., K. Sudo, H. Akimoto, A, Richter, J.P. Burrows, T. Wagner, M. Wenig, S. Beirle, Y. Kondo, V.P. Sinyakov, and F. Goutail

    Geophys. Res. Letters   Vol. 32 ( L11810 ) page: doi:10.1029/2005GL022770   2005

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    Long-term tropospheric nitrogen dioxide (NO2)
    column data obtained by the Global Ozone Monitoring
    Experiment (GOME) (G-NO2) are evaluated to confirm the
    trends found in tropospheric NO2 abundances over East
    Asia between 1996 and 2002.

  149. Development of an Integrated Earth System Model on the Earth simulator Reviewed

    Kawamiya, M., C. Yoshikawa, T. Kato, H. Sato, K. Sudo, S. Watanabe, and T. Matsuno

    J. Earth Sim.   Vol. 4   page: 18-30   2005

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

    The project aims at development of an integrated earth system model, where biological and chemical processes important for the global environment are included to interact with climate changes. The model is developed by adding individual component models to atmospheric and oceanic general circulation models
    (GCMs).The component models are terrestrial and oceanic carbon cycle models and an atmospheric chemistry
    model.

  150. Estimation of the contribution of intercontinental transport during the PEACE campaign by using a global model Reviewed

    Takigawa M., K. Sudo, H. Akimoto, K. Kita, N. Takegawa, Y. Kondo, and M. Takahashi

    J. Geophys. Res.   Vol. 110 ( D21313 ) page: doi:10.1029/2005JD006226   2005

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    A quasi-real-time calculation system for the global distribution of ozone (O3) and its
    precursors, including CO, NOx, and nonmethane hydrocarbons (NMHCs), has been newly
    developed by using a 3D chemical transport model.

  151. Why does surface ozone peak in summertime at Waliguan? Reviewed

    Zhu, B., H. Akimoto, Z. Wang, K. Sudo, J. Tang, and I. Uno

    Geophys. Res. Letters.   Vol. 31 ( L17104 ) page: doi:10.1029/2004GL020609   2004

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

    The seasonal variation of boundary layer ozone over East Asia is investigated using a regional scale chemical transport model, with the initial and boundary conditions of chemical species obtained from a global chemistry model.

  152. Future changes in stratosphere-troposphere exchange and their impacts on future tropospheric ozone simulations

    Sudo K, Takahashi M, Akimoto H

    GEOPHYSICAL RESEARCH LETTERS   Vol. 30 ( 24 )   2003.12

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

    DOI: 10.1029/2003GL018526

    Web of Science

  153. Phenotypic analysis of Meltrin alpha (ADAM12)-deficient mice: Involvement of Meltrin alpha in adipogenesis and myogenesis Reviewed

    Kurisaki T, Masuda A, Sudo K, Sakagami J, Higashiyama S, Matsuda Y, Nagabukuro A, Tsuji A, Nabeshima Y, Asano M, Iwakura Y, Sehara-Fujisawa A

    MOLECULAR AND CELLULAR BIOLOGY   Vol. 23 ( 1 ) page: 55-61   2003.1

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

    DOI: 10.1128/MCB.23.1.55-61.2003

    Web of Science

  154. *Future changes in stratosphere-troposphere exchange and their impacts on future tropospheric ozone simulations Reviewed

    Sudo, K., M. Takahashi, and H. Akimoto

    Geophys. Res. Letters.   Vol. 30 ( 2256 ) page: doi:10.1029/2003GL018526   2003

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

    We assess future climate change impacts on stratosphere-troposphere exchange (STE) and their influences on tropospheric O3, using a chemistry coupled climate model.

  155. CHASER: A global chemical model of the troposphere - 2 . Model results and evaluation

    Sudo K, Takahashi M, Akimoto H

    JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES   Vol. 107 ( D21 )   2002.11

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

    DOI: 10.1029/2001JD001114

    Web of Science

  156. CHASER: A global chemical model of the troposphere - 1. Model description

    Sudo K, Takahashi M, Kurokawa J, Akimoto H

    JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES   Vol. 107 ( D17 )   2002.9

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

    DOI: 10.1029/2001JD001113

    Web of Science

  157. CHASER: A global chemical model of the troposphere 2. Model results and evaluation, Reviewed

    Sudo, K., M. Takahashi, and H. Akimoto

    J. Geophys. Res.   Vol. 107   page: doi:10.1029/2001/JD001114   2002

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

    We present results from a global three-dimensional chemical model for the troposphere, named Chemical AGCM for Study of Atmospheric Environment and Radiative Forcing (CHASER).

  158. CHASER: A global chemical model of the troposphere 1. Model description, Reviewed

    Sudo, K., M. Takahashi, J. Kurokawa, and H. Akimoto

    J. Geophys. Res.   Vol. 107   page: doi:10.1029/2001JD001113   2002

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

    We present a new global three-dimensional chemical model for the troposphere, named chemical atmospheric general circulation model (AGCM) for study of atmospheric environment and radiative forcing (CHASER).

  159. Simulation of tropospheric ozone changes during 1997-1998 El Nino: Meteorological impact on tropospheric photochemistry

    Sudo K, Takahashi M

    GEOPHYSICAL RESEARCH LETTERS   Vol. 28 ( 21 ) page: 4091 - 4094   2001.11

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

    Web of Science

  160. *Simulation of tropospheric ozone changes during 1997-1998 El Nino: Meteorological impcat on tropospheric photochemistry Reviewed

    Sudo, K. and M. Takahashi

    Geophys. Res. Letters.   Vol. 28   page: 4091-4094   2001

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

    The impact of the 1997-1998 El Nino event on the tropospheric ozone distribution and related processes is assessed by a simulation using a global chemical model.

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Presentations 43

  1. コンピュータ上に作るもう一つの地球 Invited

    須藤健悟

    ノーベル賞特別講演会:気候変動と有機触媒  2021.11.20  名古屋大学

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    Event date: 2021.11

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

    Venue:名古屋大学  

  2. A Modeling Study on the Roles of Cloud Distribution in Global Ozone Chemistry International conference

    Kengo Sudo, Ryoki Matsuda

    Quadrennial Ozone Symposium 2021, 3-9 Oct. 2021  2021.10.5  IGAC

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    Event date: 2021.10

    Language:English   Presentation type:Oral presentation (general)  

    Country:Korea, Republic of  

  3. Can a global chemistry climate model reproduce interannual variabilities and trends of depositions of sulfate, nitrate, and ammonium preserved in the Southeastern Greenland Dome ice core? International conference

    Kengo SUDO, Hinako Shiratsuchi, Takato Onishi, Satoru Iizuka

    the 16th IGAC Conference, Atmospheric Chemistry at a Distance: Real Progress through Virtual Interaction  2021.9.14  IGAC

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    Event date: 2021.9

    Language:English   Presentation type:Poster presentation  

    Venue:Online  

  4. Simulating HONO chemistry in a chemistry climate/transport model CHASER (MIROC) Invited International coauthorship International conference

    Kengo Sudo; Ha Thi Minh Phuc; Lola Andrés Hernández, Schreiner Benjamin

    EMeRGe zoom Workshop TEAM-5:  2021.6.17 

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    Event date: 2021.6

    Language:English   Presentation type:Oral presentation (general)  

    Venue:3Institut für Umweltphysik, Universität Heidelberg  

  5. 北極域における無機イオン沈着の経年変動:化学気候モデル実験とグリーンランドSE-Dome氷床コアデータの比較

    須藤健悟, 白土緋那子, 大西貴都, 飯塚芳徳

    第25回大気化学討論会  2020.11.11 

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    Event date: 2020.11

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:on-line  

  6. CHASER(MIROC-ESM)における雲の対流圏光化学場への影響

    松田涼樹, 須藤健悟

    第25回大気化学討論会  2020.11.11 

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    Event date: 2020.11

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:on-line  

  7. Can a global chemistry climate model reproduce interannual variabilities and trends of depositions of sulfate, nitrate, and ammonium preserved in the Southeastern Greenland Dome ice core? International conference

    Kengo Sudo, Hinako Shiratuti, Yoshinori, Iizuka

    JpGU-AGU Joint Meeting 2020  2020.7 

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    Event date: 2020.7

    Language:English   Presentation type:Oral presentation (general)  

    Venue:on-line  

  8. A modeling study on the roles of cloud distribution in global tropospheric chemistry: detailed evaluation of clouds in a chemistry climate model (MIROC-CHASER) International conference

    Ryoki Matsuda, Kengo Sudo

    JpGU-AGU Joint Meeting 2020  2020.7 

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    Event date: 2020.7

    Language:English   Presentation type:Oral presentation (general)  

    Venue:on-line  

  9. 硫酸塩生成におけるダストの影響:全球化学・エアロゾル輸送モデルの改良と検証

    清水俊成, 須藤健悟

    日本気象学会2011年度秋季大会 

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    Event date: 2011.11

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

  10. 化学・エアロゾル気候モデルを用いた短寿命気候影響物質(SLCFs)の放射強制力と気候応答の評価

    須藤健悟, 竹村俊彦, 秋元肇

    第17回大気化学討論会 

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    Event date: 2011.10

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  11. Evaluating past changes in short-lived climate forcers and their climate impacts with a chemistry-aerosol coupled climate model International conference

    Kengo Sudo, T.Takemura, and H. Akimoto

    3rd International Workshop on Atmospheric Modeling Research in East Asia 

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    Event date: 2011.9

    Language:English   Presentation type:Oral presentation (general)  

    Country:China  

  12. Modelling Short-Lived Climate Forcers: Climate Impacts and Interaction International conference

    Kengo Sudo, T.Takemura, and H. Akimoto

    International Union of Geodesy and Geophysics (IUGG) General Assembly 

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    Event date: 2011.6 - 2011.7

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

    Country:Japan  

  13. Evaluating past changes in atmospheric pollutants and their climate impacts with a chemistry-aerosol coupled climate model International conference

    Kengo Sudo, T.Takemura, and H. Akimoto

    3rd International Workshop on Atmospheric Modeling Research in East Asia 

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    Event date: 2011.6

    Language:English   Presentation type:Oral presentation (general)  

    Country:China  

  14. Simulating black carbon at Syowa station, Antarctic: long-range transport from various source regions

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    Event date: 2011.5

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  15. 化学・エアロゾル気候モデルを用いた短寿命気候影響物質(SLCFs)の放射強制力の評価

    須藤健悟, 竹村俊彦, 秋元肇

    日本気象学会2011年度春季大会 

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    Event date: 2011.5

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  16. Leveling-off of atmospheric methane caused by coupling of climate change and tropospheric chemistry International conference

    AGU(American Geophysical Union) Fall meeting 2010 

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    Event date: 2010.12

    Language:English   Presentation type:Poster presentation  

  17. Global air pollution and its interaction with climate

    Workshop on Climate and Environment between Nanjing University and Nagoya University 

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    Event date: 2010.12

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

    Country:Japan  

  18. 化学気候モデルを用いた1970-2008年のメタン変動要因の解明

    須藤健悟、Patra Prabir、伊藤昭彦

    大気化学討論会 

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    Event date: 2010.11

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  19. Modeling the Climate Impacts of Global Air Pollution and Short-lived Climate Forcers International conference

    International Workshop on “Impact of Asian Megacity Development on Local to Global Climate Change 

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    Event date: 2010.10

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

  20. Simulation of aerosol changes in Asia with a chemistry-aerosol coupled climate model

    JPGU(Japanese Geophysical Union) 

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    Event date: 2010.5

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

    Country:Japan  

  21. 全球メタン濃度の過去再現シミュレーション:気候変動の影響

    須藤 健悟

    日本気象学会2010年度春季大会 

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    Event date: 2010.5

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  22. Comparison between NO2 and aerosols observed by MAX-DOAS and simulated by a Chemical Transport Model at Okinawa Islnand International conference

    MAX-DOAS Workshop 

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    Event date: 2010.2

    Language:English   Presentation type:Oral presentation (general)  

    Country:Japan  

  23. Aerosol changes associated with land use change in Asia and their impacts on climate International conference

    AGU fall meeting 2009 

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    Event date: 2009.12

    Language:English   Presentation type:Oral presentation (general)  

  24. 対流圏オゾンおよびメタンの過去再現シミュレーション:初期結果

    須藤健悟

    日本気象学会2009年度秋季大会 

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    Event date: 2009.11

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  25. Roles of Atmospheric Chemistry and Aerosols in the CCSR/NIES/FRCGC Climate Model International conference

    IGAC-SPARC Joint Workshop in Kyoto 

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    Event date: 2009.10

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

    Country:Japan  

    Past O3 changes in tropo. and strato-sphereres can cause significant climate change. (also interact with CH4)
    Nitrate aerosol cause significant climate impacts particularly in South Asia (India, Bangladesh, etc)
    Large cooling (~1-2 W m-2 due to nitrate increase) is found in South Asia ; global mean direct radiative forcing is -0.09 W m-2.
    Biogenic VOCs (terpenes) & SOA emissions are estimated to have decreased considerably (by 60-70%) in Asia during 1850-2000, leading to 0.5-1 W m-2 radiat

  26. 対流圏光化学場の過去再現シミュレーション

    須藤 健悟

    大気化学討論会2009 

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    Event date: 2009.10

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  27. 大気オゾンの研究:オゾン層から大気汚染・気候変動まで

    須藤健悟

    平成21年度オゾン層保護推進大会 

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    Event date: 2009.9

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

    Country:Japan  

  28. MAX-DOAS観測を用いた全球化学・エアロゾル気候モデルの評価

    須藤健悟、入江仁士、金谷有剛、秋元肇、竹村俊彦

    日本気象学会2009年度春季大会 

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    Event date: 2009.5

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  29. アジア域における大気化学・エアロゾル・陸域植生結合場の変動とその気候影響

    須藤健悟(名大院・環境学)、高田久美子(海洋研究開発機構)、安成哲三(名大・水循環センター)

    日本地球惑星科学連合2009年大会 

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    Event date: 2009.5

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  30. Changes in Biogenic and Anthropogenic Aerosols in Asia and their Climate Impacts

    First SELIS International Workshop Eco-Climate Dynamics in Eurasia / Monsoon Asia 

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    Event date: 2009.1

    Language:English   Presentation type:Oral presentation (general)  

    Country:Japan  

    Nitrate aerosol can cause significant climate impacts particularly in South Asia (India, Bangladesh, etc)
    Large cooling (~1-2 W m-2 due to nitrate increase) is found in South Asia ; global mean direct radiative forcing is -0.09 W m-2.
    Biogenic VOCs (terpenes) & SOA emissions are estimated to have decreased considerably (by 60-70%) in Asia during 1850-2000, leading to 0.5-1 W m-2 radiative forcing.
    Warming from SOA decrease and cooling from nitrate increase may compensate for each other.
    Pl

  31. Simulation of hemispheric scale air pollution

    14th discussion meeting of Atmospheric Chemistry Society of Japan 

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    Event date: 2008.10

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

  32. Climate response to global ozone changes: impacts of tropospheric ozone increase and stratospheric ozone decrease during the 20th century International conference

    IGAC 10th International Conference 

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    Event date: 2008.9

    Language:English   Presentation type:Oral presentation (general)  

  33. Changes in tropospheric chemistry and their impacts on climate: roles of climate change and the stratosphere International conference

    SPARC 4th General Assembly 

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    Event date: 2008.9

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

  34. Climate Response to Global Ozone Changes: Impacts of Tropospheric Ozone Increase and Stratospheric Ozone Decrease During the 20th Century International conference

    AGU(American Geophysical Union) Fall meeting 2007 

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    Event date: 2007.12

    Language:English   Presentation type:Oral presentation (general)  

  35. Climate impacts of global ozone changes: effects of tropospheric ozone increase and stratospheric ozone decrease during the 20th century

    13th discussion meeting of Atmospheric Chemistry society of Japan 

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    Event date: 2007.11

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  36. Climate impacts of global ozone changes:

    2007 fall meeting of Meteorological Society of Japan 

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    Event date: 2007.10

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  37. Temporal and Spatial Variations of Tropospheric Carbon Monoxide over Japan

    JPGU 

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    Event date: 2007.5

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

  38. 産業革命以前から現在までの対流圏オゾン変動が気候に及ぼす影響

    須藤健悟(名大院・環境学)、秋元肇(地球フロンティア)

    日本地球惑星科学連合2007年大会 

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    Event date: 2007.5

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  39. Development of a chemical data assimilation system using a local ensemble transformKalman filter

    JPGU 

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    Event date: 2007.5

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

  40. 対流圏オゾンの熱帯域マッデン・ジュリアン振動

    須藤健悟

    第17回大気化学シンポジウム 

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    Event date: 2007.1

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  41. 対流圏オゾン変動の気候影響評価: 化学気候モデル実験による初期結果

    須藤健悟(名大院・環境学), 秋元肇(地球フロンティア)

    第17回大気化学シンポジウム 

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    Event date: 2007.1

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  42. Source attribution of global O3 and CO: climatology and interannual variability International conference

    Joint IGAC/CACGP/SOLAS/WMO Symposium: Atmospheric Chemistry at the interfaces 

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    Event date: 2006.9

    Language:English   Presentation type:Poster presentation  

  43. 全球対流圏オゾンの変動要因:エミッション・気候・成層圏オゾンの各変動の影響

    須藤健悟, 高橋正明、秋元肇

    日本気象学会2006年度春季大会 

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    Event date: 2006.5

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

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Research Project for Joint Research, Competitive Funding, etc. 6

  1. 数値モデルを用いた短寿命微量気体による気候変動の評価

    2014.4 - 2019.3

    環境省地球環境研究総合推進費(S-12-3)  

    須藤健悟

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    Grant type:Competitive

    化学気候モデルを用い、複数シナリオによる将来予測実験を実施し(他サブテーマと連携)、各シナリオにおいて将来の気温・降水変動などに対し、各種SLCPsが及ぼす寄与を分離・評価し、微量気体(大気化学)・エアロゾル相互作用の役割を定量化する。さらに、大気質(オゾン・PM等)と温暖化への影響の観点から各シナリオを評価し、総合的にまとめる。

  2. 東アジアにおける広域大気汚染の解明と温暖化対策との共便益を考慮した大気環境管理の推進に関する総合的研究

    2009.4 - 2014.3

    環境省地球環境研究総合推進費(S-7-1) 

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    Grant type:Competitive

    化学気候モデルCHASERおよびエアロゾル気候モデルSPRINTARSの結合シミュレーションにより、大気汚染物質の長距離輸送のモデル定量化、および大気汚染と温暖化の共便益(co-befit)に関する数値実験を実施する。

  3. Coupled impacts of landuse and aerosols changes on Asian climate

    2009.4 - 2012.3

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    Grant type:Competitive

  4. 地上分光法による対流圏中のガス・エアロゾル同時観測網の構築

    2006.4 - 2011.3

    文科省・地球観測システム構築推進プラン 

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    Grant type:Competitive

  5. 人間活動によるアジアモンスーン変化の定量的評価と予測に関する研究

    2006.4 - 2009.3

    環境省地球環境研究総合推進費(B-062) 

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    Grant type:Competitive

    気候モデル「エアロゾル増減」実験によるアジアモンスーン変化の評価

  6. アジアにおけるオゾン・ブラックカーボンの空間的・時間的変動と気候影響に関する研究

    2005.4 - 2008.3

    環境省地球環境研究総合推進費 

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    Grant type:Competitive

    対流圏オゾンおよびブラックカーボンの気候影響を定量的に見積もる。

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KAKENHI (Grants-in-Aid for Scientific Research) 14

  1. 植物起源VOCs発生量の全球高精度推定とその大気化学・気候学的インパクト

    Grant number:20H04320  2020.4 - 2024.3

    基盤研究(B)

    須藤 健悟

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    Authorship:Principal investigator 

    Grant amount:\17160000 ( Direct Cost: \13200000 、 Indirect Cost:\3960000 )

    本研究では、大気化学・気候モデルCHASER(MIROC)および陸域生態系モデルVISITを組み合わせてBVOCs発生量の高精度推定を行う。まず、イソプレン類などのBVOCsのフラックス・濃度のデータにより、VISITのBVOCs放出量推定を検証する。次に、中間生成物であるホルムアルデヒド(HCHO)の全球分布を衛星観測データと比較することで、BVOCs計算を検証し、VISITの最適化を行う。最適化されたBVOCs放出量およびその変動の推定をCHASERによる大気化学・エアロゾル・気候の再現・予測実験に導入し、大気環境や気候の変動における、BVOCs変動の役割・インパクトを評価する。

  2. Assessment on climate impacts of short-lived climate forcers by composition and region with hierarchical numerical models

    Grant number:19H05669  2019.6 - 2024.3

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    Authorship:Coinvestigator(s)  Grant type:Competitive

    Grant amount:\49010000 ( Direct Cost: \37700000 、 Indirect Cost:\11310000 )

  3. 国際観測網と気候モデルによる有機エアロゾルの紫外可視光吸収特性に関する研究の推進

    Grant number:19H04235  2019.4 - 2022.3

    入江 仁士

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    Authorship:Coinvestigator(s) 

    Grant amount:\3900000 ( Direct Cost: \3000000 、 Indirect Cost:\900000 )

    実大気中の有機エアロゾルの光吸収特性に関する新たな定量的な観測的知見を得るとともに、その光吸収特性の変動要因を明らかにする。これは、大気科学、とりわけ気候変動研究において、有機エアロゾルの放射強制力の符号を負から正に変える「問い」に答えを与える極めて重要な研究である。その符号が正に変わると、現在の予測よりも温暖化が深刻化することになる。独自に世界展開している国際観測網を活用し、エアロゾル特性が明瞭に異なる5つもの主要な観測地点 (日本、タイ、インド)に焦点を当てる。全球化学気候モデル・衛星データも援用した研究体制で相乗的な研究成果を挙げ、有機エアロゾルの光吸収特性に関する研究を推進する。
    本研究では、実大気中の有機エアロゾルの光吸収特性(340-870 nm)に関する新たな定量的な観測的知見(Aerosol Absorption Optical Depth (AAOD; 吸収エアロゾル光学的厚さ)やAbsorption Angstrom Exponent(AAE; 吸収オングストローム指数))を得るとともに、その光吸収特性の変動要因を明らかにする。独自に世界展開している国際観測網を活用し、エアロゾル特性が明瞭に異なる5つもの主要な観測地点 (日本3地点、タイ1地点、インド1地点)に焦点を当てる。独自の紫外~可視の光吸収特性の長期連続観測技術、および、その変動要因の重要なフィンガープリントをもたらす有機ガス濃度等の観測技術の両方を世界で唯一有する本研究グループのみが可能な研究である。全球化学気候モデル・衛星データも援用した研究体制で相乗的な研究成果を挙げ、有機エアロゾルの光吸収特性に関する研究を推進する。
    R01年度は、当該研究が対象とするユニークな5つの観測地点(千葉、福江島、春日、タイ・ピマイ、インド・パンテナガール)それぞれにおいて、必要な地上リモートセンシング観測装置(スカイラジオメーターとMAX-DOAS)を整備し、長期連続観測を開始した。しかしながら、うち2つの国際サイトいついては、新型コロナウイルスの影響のため、十分な現地でのメンテナンスができていない状況である。他方、本研究の全球化学気候モデル(CHASER)については、植物起源VOCsや二次有機エアロゾル(SOA)生成・消滅の計算スキームの改良・調整を行い、CHASER計算に不可欠な、揮発性有機化合物(VOCs)等のエミッションインベントリー等の整備も行った。変動要因解析に有用な他衛星データ(MODIS、OMI、TROPOMI等)、トラジェクトリー計算、FLEXPARTモデルの整備も進めた。
    計画通り、当該研究が対象とするユニークな5つの観測地点(千葉、福江島、春日、タイ・ピマイ、インド・パンテナガール)それぞれにおいて、必要な地上リモートセンシング観測装置(スカイラジオメーターとMAX-DOAS)を整備し、長期連続観測を開始した。しかしながら、うち2つの国際サイトについては、新型コロナウイルスの影響のため、現地でのメンテナンスができていない状況である。他方、並行して、全球化学気候モデル(CHASER)の計算に不可欠な、揮発性有機化合物(VOCs)等のエミッションインベントリー等の整備を行った。変動要因解析に有用な他衛星データ(MODIS、OMI、TROPOMI等)、トラジェクトリー計算、FLEXPARTモデルの整備も進めた。以上より、おおむね順調に進展していると評価した。
    本研究で対象とする5地点で長期連続観測を継続する。そのために、とりわけ2つの国際サイトについては、現地でのメンテナンスを早急に実施する。そのうえで、各地点において、AAODとAAEを定量的に見積もり、観測的知見を蓄積するとともに、先行研究との相違を明らかにする。エミッションとの関連については、比較的エアロゾルの変動要因が分かっている日本3地点のデータや過去データをリファレンスにし、ピマイやパンテナガールのAAODやAAEの高精度評価につなげる。複数年にわたる長期連続観測を活かし、AAODやAAEを様々な時間スケールで明らかにし、変動要因の解明を念頭に考察を行う。
    また、MAX-DOAS観測をもとに、光吸収特性の変動要因のフィンガープリントをもたらすガス濃度や濃度比を算出する。有機エアロゾル、特にブラウンカーボンが高濃度となる大規模バイオマスバーニングでは、HCHOやCHOCHO等のガス濃度の増大やCHOCHO/HCHO濃度比の減少が起きることが分かっている。この情報に、衛星データ、トラジェクトリー、FLEXPARTの解析も加え高度な要因解析を実施する。加えて、観測で得られるガス・エアロゾルの濃度情報について、全球化学気候モデルCHASERを用いて、バイオマス燃焼等からの有機エアロゾルの発生起源・寄与を解析する。さらには、観測から得られたAAEで特定されたブラックカーボンとブラウンカーボンのイベントを比べ、両者の光吸収の強さを比較する。このようなエアロゾルの光学特性に関する新たな定量的な観測的知見を拘束条件とし、CHASERモデル内のパラメータを修正するなどして放射強制力の再評価を行い、これまでの知見(例えば、IPCC-AR5,6)からの更新として整理するなど、これまでに実現しなかった放射強制力の議論を行う。

  4. Quantifying nitrate dynamics in hydrosphere using triple oxygen isotopes as tracers

    Grant number:17H00780  2017.4 - 2021.3

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    Authorship:Coinvestigator(s)  Grant type:Competitive

    Grant amount:\3120000 ( Direct Cost: \2400000 、 Indirect Cost:\720000 )

  5. Intense investigation of the oxidation capacity of global atmosphere and its changes

    Grant number:16H02937  2016.4 - 2019.3

    Sudo Kengo

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    Authorship:Principal investigator 

    Grant amount:\18070000 ( Direct Cost: \13900000 、 Indirect Cost:\4170000 )

    This study improves the estimate of global distributions of hydroxy radical (OH) which controls oxidation and removal processes of various compounds in the atmosphere, and evaluates the recent change in the atmospheric oxidation capacity and its controlling mechanism. The estimate of OH distributions is improved by validating and elaborating the calculations of clouds, aerosols, and stratospheric ozone with combining a chemistry climate model simulation with the observational data as from satellite measurements. This study further investigates contributions of individual controlling factors of OH changes such as anthropogenic and natural emissions of nitrogen oxides (NOx), carbon monoxide (CO), volatile organic compounds (VOCs), in addition to the distributions of clouds, water vapor (H2O), and ozone.

  6. Carbonaceous aerosols at Antarctic coasts: Transport from mid-latitudes and origins

    Grant number:15H02806  2015.4 - 2019.3

    Hara Keiichiro

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    Authorship:Coinvestigator(s) 

    Measurements of carbonaceous aerosols were conducted in the Antarctic coasts and southern ocean. Black carbon (BC) concentrations at Syowa Station ranged in <0.2-63.8 ng m-3 (median, 1.8 ng m-3; mean, 2.7 ng m-3) in 2005-2016 and had maximum in September-October. No long-term trend of BC concentrations was clear during our measurement period. Seasonal features of EBC concentrations showed a maximum in September-October. BC was originated from biomass burning and combustion of fossil fuels in South America and southern Africa. BC at the Antarctic coasts were transported from South America and southern Africa mostly via lower troposphere and partly via upper troposphere and downward motion in the Antarctic Circle. The absorption Angstrom exponent (AAE) showed clear seasonal features and was associated with mixing states of BC and organic aerosols supplied from biomass burning and oceanic bio-activity.

  7. Atmospheric composition data assimilation using multiple chemical transport models

    Grant number:15K05296  2015.4 - 2018.3

    MIYAZAKI Kazuyuki

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

    We conducted tropospheric chemistry reanalysis calculations by assimilating multiple data sets from multiple satellite sensors. The reanalysis calculations were conducted using three different global chemical transport model and an ensemble Kalman filter technique that simultaneously optimises the chemical concentrations of various species and emissions of several precursors. The optimisation of both the concentration and the emission fields is an efficient method to correct the entire tropospheric profile and its year-to-year variations, and to adjust various tracers chemically linked to the species assimilated. Using the multiple chemical transport models, we demonstrated the importance of forecast model performance on tropospheric chemistry data assimilation.

  8. 大気化学・陸域生態系モデルの結合によるCH4・N2Oの変動要因の解明

    2013.4 - 2016.3

    科学研究費補助金  基盤研究(A)

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    Authorship:Principal investigator 

    本研究は、メタン(CH4)および亜酸化窒素(N2O)に焦点をあて、これらの大気中濃度の変動要因や収支について、全球規模での解明を行うものである。化学気候モデルと陸域生態系モデルによる結合シミュレーションやデータ同化・逆推定手法を主なアプローチとし、陸域生態系から大気へのCH4・N2O の放出(交換フラックス)、およびCH4・N2O の大気中での輸送や光化学的な消失等の推定を最大限に高精度化し、CH4・N2O の変動要因を網羅的に評価・整理する。窒素酸化物の沈着や有機炭素等の放出を通じた大気化学・気候と陸域生態系との相互作用にも着目し、CH4・N2O変動における役割を明らかにする。さらに、本研究で新たに得られるCH4・N2O 変動・収支の知見を土台として、IPCC 第5次報告書に準拠した将来予測計算を行い、各種放射強制力を再検討する。

  9. Elucidating mechanism and factors of changes in CH4 and N2O by coupling of atmospheric chemistry and land ecosystem models

    Grant number:25241006  2013.4 - 2016.3

    SUDO KENGO

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    Authorship:Principal investigator 

    Grant amount:\42640000 ( Direct Cost: \32800000 、 Indirect Cost:\9840000 )

    This study investigated global budget of atmospheric methane (CH4) and nitrous oxide (N2O), and inferred separate factors of their temporal changes. In the framework of a land-ecosystem and trance gas exchange model, estimations of global emissions of CH4, N2O, and biogenic VOCs were optimized. For the changes in OH which govern the CH4 sink in the atmosphere, individual controlling factors of OH changes were quantified and examined by a set of sensitivity simulations using an atmospheric chemistry model. More accurate estimation of global OH changes was also performed by our developed data assimilation system with the satellite measurements of global atmospheric chemistry. This study also investigated and tested N2O budget including emissions, photolysis, stratosphere-troposphere exchange (STE). Furthermore, underlying mechanisms and controlling factors of recent CH4 and N2O changes are revealed in detail by using past reproduction simulations (hindcasts) for CH4 and N2O.

  10. 全球化学輸送モデルによる大気汚染物質の長距離輸送とその変動メカニズムの解明

    2009.4 - 2012.3

    科学研究費補助金  若手研究B 21710008

    須藤健悟

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    Authorship:Principal investigator 

    汚染物質の大陸間長距離輸送について、エミッション変動および気候変動の複合的な影響を定量化する。

  11. Study of long-range transport of air pollutants and its changing mechanism using a chemistry coupled climate model

    Grant number:21710008  2009 - 2011

    SUDO Kengo

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    Authorship:Principal investigator 

    Grant amount:\4550000 ( Direct Cost: \3500000 、 Indirect Cost:\1050000 )

    This study investigates long-range transport of air pollutants from major source regions and its changes during the past three decades, using a chemistry transport model with tagged tracers. Our model simulation suggests that long-term increases in ozone and aerosols including black carbon(BC) are largely attributed to the changes in anthropogenic emissions. Our study also reveals significant roles of long-term climate change as associated with the global warming in ozone changes in the tropics and southern hemisphere. In this study, changes in ozone distribution associated with climate change including ENSO are further analyzed by isolating impacts of transport and chemistry processes with a tagged tracer approach. Our results show that ozone changes associated with ENSO are mainly due to change in transport, while long-term ozone changes as with the recent warming are largely influenced by chemical processes. For BC in polar regions, we quantify individual contributions of increased long-range transport from South America, Africa, Europe, and North America. To validate the global model results, this study also investigates air quality in Asia and inflow of air pollutants to Asia using a regional air quality model(WRF-chem).

  12. 大気オゾン全球分布の変動過程:化学・気候モデルによる20世紀再現実験

    2006.4 - 2009.3

    科学研究費補助金  18540439

    須藤健悟

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    Authorship:Principal investigator 

    過去の全球オゾン場の再現シミュレーション

  13. Changing process of global ozone distribution : past reproduction with a chemistry coupled climate model

    Grant number:18540439  2006 - 2008

    SUDO Kengo

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    Authorship:Principal investigator 

    Grant amount:\3970000 ( Direct Cost: \3400000 、 Indirect Cost:\570000 )

  14. 気候変動・大気環境変化予測のための化学・エアロゾル結合気候モデルの開発

    Grant number:16740275  2004 - 2005

    須藤 健悟

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    Authorship:Principal investigator 

    Grant amount:\3100000 ( Direct Cost: \3100000 )

    これまでの作業によりエアロゾルシミュレーションが導入された化学気候モデル(CHASER)の開発が行われた。本年度はまずこのモデルにより現在に対する気候値(標準)実験を行い、特にオゾン(O_3)・OH・H_2O_2・アンモニア(HN_3)などの大気化学場との結びつきが強い硫酸塩エアロゾルについて欧州やアジア域の観測ネットワーク(EMEP等)や航空機観測(NASA-GTE)の各種データを用いて詳細な評価を行った。その結果本モデルは上部対流圏において硫酸塩濃度を10-50%過大評価する傾向にあるが、対流圏下層・地表付近の濃度については定量的にもよく観測を再現していることが確認された。その他のエアロゾル種(土壌ダスト、炭素性エアロゾル)のシミュレーション結果についてもエアロゾル観測ネットワーク(NASA-AERONET)と比較し評価を行った。また、このモデルを用いIPCC(気候変動に関する政府間パネル)の第4次報告書に向けたモデル間相互比較プロジェクトに参加し、対流圏オゾン変動による放射強制力の計算結果を当プロジェクトに提供し詳細な議論を行った(Gauss et al., 2006)。さらに本エアロゾル・化学気候モデルを用い産業革命以前から現在までの対流圏オゾンとエアロゾルの各変動が及ぼす放射強制力(エアロゾルば直接効果のみ)の計算を行った。本計算では対流圏オゾン増加による放射強制力として全球平均で0.48W・m^<-2>(長波:0.4、短波:0.08W・m^<-2>)の値が得られ、エアロゾルの放射強制力としては黒色(無機)炭素+0.40W・m^<-2>、有機炭素-0.24W・m^<-2>、硫酸塩-0.28W・m^<-2>となり、黒色炭素による大気加熱の効果は有機炭素や硫酸塩による冷却効果により全て打ち消されることが分かった。今後はエアロゾルの雲・降水を介した間接効果の見積もりが検討課題である。

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Teaching Experience (On-campus) 62

  1. Global and Urban Warmings

    2021

  2. Seminar on Climate Science 2C

    2021

  3. Seminar on Climate Science 2A

    2021

  4. Seminar on Climate Science 1C

    2021

  5. Seminar on Climate Science 1A

    2021

  6. Atmospheric Physics and Chemistry

    2021

  7. Seminar on Climate Science 2E

    2021

  8. Seminar on Climate Science 1E

    2021

  9. Geophysics and Planetary Physics Experiments I

    2021

  10. Fundamentals of Atmospheric and Hydrospheric Sciences

    2021

  11. Seminar on Climate Science 2D

    2021

  12. Seminar on Climate Science 2B

    2021

  13. Seminar on Climate Science 1D

    2021

  14. Seminar on Climate Science 1B

    2021

  15. Seminar on Climate Science 2F

    2021

  16. Seminar on Climate Science 1F

    2021

  17. First Year Seminar A

    2020

  18. Climate science

    2020

  19. Geophysics and Planetary Physics Experiments I

    2020

  20. Fundamentals of Atmospheric and Hydrospheric Sciences

    2020

  21. Seminar on Climate Science 2A

    2020

  22. Seminar on Climate Science 1D

    2020

  23. Seminar on Climate Science 1C

    2020

  24. Seminar on Climate Science 1B

    2020

  25. Seminar on Climate Science 1A

    2020

  26. Atmospheric Physics and Chemistry

    2020

  27. Seminar on Climate Science 2B

    2020

  28. Seminar on Climate Science 2F

    2020

  29. Seminar on Climate Science 2E

    2020

  30. Seminar on Climate Science 1F

    2020

  31. Seminar on Climate Science 1E

    2020

  32. Seminar on Climate Science 2D

    2020

  33. Seminar on Climate Science 2C

    2020

  34. 大気物理化学

    2016

  35. Climate Science

    2016

  36. Climate Science

    2015

  37. 大気物理化学

    2015

  38. Climate Science

    2014

  39. 大気物理化学

    2014

  40. Climate Science

    2013

  41. Atmospheric Physics and Chemistry

    2013

  42. Climate Science

    2012

  43. 地球環境変動論

    2012

  44. Atmospheric Physics and Chemistry

    2012

  45. Climate Science

    2011

  46. 地球環境変動論

    2011

  47. 大気物理化学

    2011

  48. 基礎セミナーB

    2010

  49. Atmospheric Chemistry and Physics

    2010

  50. 地球惑星システム学特論Ⅱ

    2010

  51. 地球水循環学

    2010

  52. 気候科学

    2010

  53. Climate Science

    2010

  54. 大気物理化学

    2010

  55. Climate Science

    2009

  56. Atmospheric Physics and Chemistry

    2009

  57. Atmospheric Physics and Chemistry

    2008

  58. 基礎セミナーA

    2008

  59. 大気物理化学

    2008

  60. Atmospheric Physics and Chemistry

    2007

  61. Basic Seminar A

    2007

  62. Aerosol Physics

    2006

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Teaching Experience (Off-campus) 1

  1. 化学環境学特別講義第3

    2008.4 - 2009.3 東京工業大学)

 

Social Contribution 8

  1. ノーベル賞特別講演会:コンピュータ上に作るもう一つの地球

    Role(s):Lecturer

    名古屋大学  ノーベル賞特別講演会:コンピュータ上に作るもう一つの地球  2021.11

  2. グローバルな大気環境・気候変動の研究(多治見北高校)

    Role(s):Lecturer

    多治見北高校  2年生TKt Exploration Day with Researchers Ⅱ  2021.11

  3. 大気環境気候モデリング研究室紹介:中日新聞

    Role(s):Media coverage

    中日新聞  朝刊  2021.10

  4. ノーベル物理学賞(真鍋淑郎氏)解説:名古屋テレビ・アップ

    Role(s):Appearance, Commentator, Media coverage

    名古屋テレビ  アップ(夕方報道番組)  2021.10

  5. ノーベル物理学賞(真鍋淑郎氏)解説:TBSテレビ・ひるおび

    Role(s):Media coverage

    TBSテレビ  ひるおび  2021.10

  6. ノーベル物理学賞(真鍋淑郎氏)解説:東海テレビ・ニュースone

    Role(s):Appearance, Media coverage

    東海テレビ  ニュースOne  2021.10

  7. ノーベル物理学賞(真鍋淑郎氏)解説

    Role(s):Appearance, Commentator, Media coverage

    名古屋大学  ノーベル物理学賞(真鍋淑郎氏)会見  2021.10

  8. 【プレスリリース】ロックダウンによる汚染物質変動:読売新聞(全国)

    Role(s):Media coverage

    読売新聞(全国紙)  朝刊  2021.8

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Media Coverage 8

  1. 大気環境気候モデリング研究室紹介:中日新聞 Newspaper, magazine

    中日新聞  朝刊  2021.10

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    Author:Myself 

  2. ノーベル物理学賞(真鍋淑郎氏)解説:中日新聞 Newspaper, magazine

    中日新聞  朝刊  2021.10

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    Author:Myself 

  3. ノーベル物理学賞(真鍋淑郎氏)解説:TBSテレビ・ひるおび TV or radio program

    TBSテレビ  ひるおび  2021.10

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    Author:Myself 

  4. ノーベル物理学賞(真鍋淑郎氏)解説:福岡RKBラジオ TV or radio program

    RKBラジオ  よなおし堂  「今日のフカボリ」コーナーにて解説  2021.10

  5. ノーベル物理学賞(真鍋淑郎氏)解説:名古屋テレビ・アップ TV or radio program

    名古屋テレビ  アップ(夕方報道番組)  2021.10

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    Author:Myself 

  6. ノーベル物理学賞(真鍋淑郎氏)解説:東海テレビ・ニュースone TV or radio program

    東海テレビ  ニュースOne  2021.10

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    Author:Myself 

  7. ノーベル物理学賞(真鍋淑郎氏)会見:TBSニュース TV or radio program

    TBSテレビ  生放送会見  2021.10

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    Author:Myself 

  8. 【プレスリリース】ロックダウンによる汚染物質変動:読売新聞(全国) Newspaper, magazine

    読売新聞(全国紙)  2021年8月2日朝刊  2021.8

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Academic Activities 1

  1. 日本学術振興会 特別研究員等審査会専門委員(外国人) International contribution

    Role(s):Review, evaluation

    日本学術振興会  2020.5 - 2020.7

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    Type:Scientific advice/Review