Organization
Institute for Space-Earth Environmental Research Meteorological and Atmospheric Research Division Associate professor
Graduate School
Graduate School of Science
Title
Associate professor
Contact information
NAGAHAMA Tomoo
Degree 1
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博士（理学） （ 1997.5 名古屋大学 ）
Research Areas 2
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Others / Others / Upper Atmospheric Physics
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Others / Others / Weather/Oceanic Physics/Hydrology
Current Research Project and SDGs 1
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地球内外の環境変動に伴う中層大気の組成変動機構の解明
Education 2
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Nagoya University Graduate School, Division of Natural Science Division of Astronomical Science
1990.4 - 1996.3
Country： Japan
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Nagoya University Faculty of Science Department of Physics
1986.4 - 1990.3
Country： Japan
Professional Memberships 5
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地球電磁気・地球惑星圏学会
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日本大気化学会
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日本気象学会
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American Geophysical Union
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日本天文学会
Papers 43
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Bias correction of OMI HCHO columns based on FTIR and aircraft measurements and impact on top-down emission estimates Reviewed International coauthorship International journal
Müller, J.-F., Stavrakou, T., Oomen, G.-M., Opacka, B., De Smedt, I., Guenther, A., Vigouroux, C., Langerock, B., Aquino, C. A. B., Grutter, M., Hannigan, J., Hase, F., Kivi, R., Lutsch, E., Mahieu, E., Makarova, M., Metzger, J.-M., Morino, I., Murata, I., Nagahama, T., Notholt, J., Ortega, I., Palm, M., Röhling, A., Stremme, W., Strong, K., Sussmann, R., Té, Y., and Fried, A.
Atmospheric Chemistry and Physics Vol. 24 ( 4 ) page： 2207 - 2237 2024.2
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Validation of OMPS Suomi NPP and OMPS NOAA-20 Formaldehyde Total Columns With NDACC FTIR Observations Reviewed International coauthorship International journal
Kwon H. -A., Abad G. Gonzalez, Nowlan C. R., Chong H., Souri A. H., Vigouroux C., Roehling A., Kivi R., Makarova M., Notholt J., Palm M., Winkler H., Te Y., Sussmann R., Rettinger M., Mahieu E., Strong K., Lutsch E., Yamanouchi S., Nagahama T., Hannigan J. W., Zhou M., Murata I., Grutter M., Stremme W., De Maziere M., Jones N., Smale D., Morino I.
EARTH AND SPACE SCIENCE Vol. 10 ( 5 ) 2023.5
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Long-range transport of CO and aerosols from Siberian biomass burning over northern Japan during 18–20 May 2016 Reviewed International journal
Tran Thi Ngoc Trieu, Isamu Morino, Osamu Uchino, Yukitomo Tsutsumi, Toshiharu Izumi, Tetsu Sakai, Takashi Shibata, Hirofumi Ohyama, Tomoo Nagahama
Environmental Pollution Vol. 322 2023.2
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Nitrous Oxide Profiling from Infrared Radiances (NOPIR): Algorithm Description, Application to 10 Years of IASI Observations and Quality Assessment Reviewed International coauthorship International journal
Vandenbussche Sophie, Langerock Bavo, Vigouroux Corinne, Buschmann Matthias, Deutscher Nicholas M., Feist Dietrich G., Garcia Omaira, Hannigan James W., Hase Frank, Kivi Rigel, Kumps Nicolas, Makarova Maria, Millet Dylan B., Morino Isamu, Nagahama Tomoo, Notholt Justus, Ohyama Hirofumi, Ortega Ivan, Petri Christof, Rettinger Markus, Schneider Matthias, Servais Christian P., Sha Mahesh Kumar, Shiomi Kei, Smale Dan, Strong Kimberly, Sussmann Ralf, Te Yao, Velazco Voltaire A., Vrekoussis Mihalis, Warneke Thorsten, Wells Kelley C., Wunch Debra, Zhou Minqiang, De Maziere Martine
REMOTE SENSING Vol. 14 ( 8 ) 2022.4
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Global Atmospheric OCS Trend Analysis From 22 NDACC Stations Reviewed International coauthorship International journal
Hannigan James W., Ortega Ivan, Shams Shima Bahramvash, Blumenstock Thomas, Campbell John Elliott, Conway Stephanie, Flood Victoria, Garcia Omaira, Griffith David, Grutter Michel, Hase Frank, Jeseck Pascal, Jones Nicholas, Mahieu Emmanuel, Makarova Maria, De Maziere Martine, Morino Isamu, Murata Isao, Nagahama Toomo, Nakijima Hideaki, Notholt Justus, Palm Mathias, Poberovskii Anatoliy, Rettinger Markus, Robinson John, Roehling Amelie N., Schneider Matthias, Servais Christian, Smale Dan, Stremme Wolfgang, Strong Kimberly, Sussmann Ralf, Te Yao, Vigouroux Corinne, Wizenberg Tyler
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES Vol. 127 ( 4 ) 2022.2
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Validation of methane and carbon monoxide from Sentinel-5 Precursor using TCCON and NDACC-IRWG stations Reviewed International coauthorship International journal
Sha Mahesh Kumar, Langerock Bavo, Blavier Jean-Francois L., Blumenstock Thomas, Borsdorff Tobias, Buschmann Matthias, Dehn Angelika, De Maziere Martine, Deutscher Nicholas M., Feist Dietrich G., Garcia Omaira E., Griffith David W. T., Grutter Michel, Hannigan James W., Hase Frank, Heikkinen Pauli, Hermans Christian, Iraci Laura T., Jeseck Pascal, Jones Nicholas, Kivi Rigel, Kumps Nicolas, Landgraf Jochen, Lorente Alba, Mahieu Emmanuel, Makarova Maria V., Mellqvist Johan, Metzger Jean-Marc, Morino Isamu, Nagahama Tomoo, Notholt Justus, Ohyama Hirofumi, Ortega Ivan, Palm Mathias, Petri Christof, Pollard David F., Rettinger Markus, Robinson John, Roche Sebastien, Roehl Coleen M., Roehling Amelie N., Rousogenous Constantina, Schneider Matthias, Shiomi Kei, Smale Dan, Stremme Wolfgang, Strong Kimberly, Sussmann Ralf, Te Yao, Uchino Osamu, Velazco Voltaire A., Vigouroux Corinne, Vrekoussis Mihalis, Wang Pucai, Warneke Thorsten, Wizenberg Tyler, Wunch Debra, Yamanouchi Shoma, Yang Yang, Zhou Minqiang
ATMOSPHERIC MEASUREMENT TECHNIQUES Vol. 14 ( 9 ) page： 6249 - 6304 2021.9
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First ground-based Fourier transform infrared (FTIR) spectrometer observations of HFC-23 at Rikubetsu, Japan, and Syowa Station, Antarctica Reviewed International coauthorship International journal
Takeda Masanori, Nakajima Hideaki, Murata Isao, Nagahama Tomoo, Morino Isamu, Toon Geoffrey C., Weiss Ray F., Muhle Jens, Krummel Paul B., Fraser Paul J., Wang Hsiang-Jui
ATMOSPHERIC MEASUREMENT TECHNIQUES Vol. 14 ( 9 ) page： 5955 - 5976 2021.9
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Characterization and potential for reducing optical resonances in Fourier transform infrared spectrometers of the Network for the Detection of Atmospheric Composition Change (NDACC) Reviewed International coauthorship International journal
Blumenstock Thomas, Hase Frank, Keens Axel, Czurlok Denis, Colebatch Orfeo, Garcia Omaira, Griffith David W. T., Grutter Michel, Hannigan James W., Heikkinen Pauli, Jeseck Pascal, Jones Nicholas, Kivi Rigel, Lutsch Erik, Makarova Maria, Imhasin Hamud K., Mellqvist Johan, Morino Isamu, Nagahama Tomoo, Notholt Justus, Ortega Ivan, Palm Mathias, Raffalski Uwe, Rettinger Markus, Robinson John, Schneider Matthias, Servais Christian, Smale Dan, Stremme Wolfgang, Strong Kimberly, Sussmann Ralf, Te Yao, Velazco Voltaire A.
ATMOSPHERIC MEASUREMENT TECHNIQUES Vol. 14 ( 2 ) page： 1239 - 1252 2021.2
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Detection and attribution of wildfire pollution in the Arctic and northern midlatitudes using a network of Fourier-transform infrared spectrometers and GEOS-Chem Reviewed International coauthorship International journal
Lutsch Erik, Strong Kimberly, Jones Dylan B. A., Blumenstock Thomas, Conway Stephanie, Fisher Jenny A., Hannigan James W., Hase Frank, Kasai Yasuko, Mahieu Emmanuel, Makarova Maria, Morino Isamu, Nagahama Tomoo, Notholt Justus, Ortega Ivan, Palm Mathias, Poberovskii Anatoly V, Sussmann Ralf, Warneke Thorsten
ATMOSPHERIC CHEMISTRY AND PHYSICS Vol. 20 ( 21 ) page： 12813 - 12851 2020.11
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TROPOMI-Sentinel-5 Precursor formaldehyde validation using an extensive network of ground-based Fourier-transform infrared stations Reviewed International coauthorship International journal
Vigouroux Corinne, Langerock Bavo, Bauer Aquino Carlos Augusto, Blumenstock Thomas, Cheng Zhibin, De Maziere Martine, De Smedt Isabelle, Grutter Michel, Hannigan James W., Jones Nicholas, Kivi Rigel, Loyola Diego, Lutsch Erik, Mahieu Emmanuel, Makarova Maria, Metzger Jean-Marc, Morino Isamu, Murata Isao, Nagahama Tomoo, Notholt Justus, Ortega Ivan, Palm Mathias, Pinardi Gaia, Roehling Amelie, Smale Dan, Stremme Wolfgang, Strong Kim, Sussmann Ralf, Te Yao, van Roozendael Michel, Wang Pucai, Winkler Holger
ATMOSPHERIC MEASUREMENT TECHNIQUES Vol. 13 ( 7 ) page： 3751 - 3767 2020.7
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Fourier transform infrared time series of tropospheric HCN in eastern China: seasonality, interannual variability, and source attribution Reviewed International coauthorship International journal
Sun Youwen, Liu Cheng, Zhang Lin, Palm Mathias, Notholt Justus, Hao Yin, Vigouroux Corinne, Lutsch Erik, Wang Wei, Shan Changong, Blumenstock Thomas, Nagahama Tomoo, Morino Isamu, Mahieu Emmanuel, Strong Kimberly, Langerock Bavo, De Maziere Martine, Hu Qihou, Zhang Huifang, Petri Christof, Liu Jianguo
ATMOSPHERIC CHEMISTRY AND PHYSICS Vol. 20 ( 9 ) page： 5437 - 5456 2020.5
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Ground-based FTIR observation of hydrogen chloride (HCl) over Hefei, China, and comparisons with GEOS-Chem model data and other ground-based FTIR stations data Reviewed International coauthorship International journal
Yin Hao, Sun Youwen, Liu Cheng, Lu Xiao, Smale Dan, Blumenstock Thomas, Nagahama Tomoo, Wang Wei, Tian Yuan, Hu Qihou, Shan Changgong, Zhang Huifang, Liu Jianguo
OPTICS EXPRESS Vol. 28 ( 6 ) page： 8041 - 8055 2020.3
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Interannual Variation of Upper Stratospheric Ozone in the Northern Midlatitudes in Early Winter Caused by Planetary Waves Reviewed International journal
Ohyama H., Sugita T., Akiyoshi H., Nagahama T., Mizuno A.
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES Vol. 124 ( 24 ) page： 14347 - 14361 2019.12
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CONCEPTUAL STUDY OF SUPERCONDUCTING SUBMILLIMETER-WAVE LIMB-EMISSION SOUNDER-2 (SMILES-2) RECEIVER
Ochiai S., Baron P., Irimajiri Y., Nishibori T., Hasegawa Y., Uzawa Y., Maezawa H., Manabe T., Mizuno A., Nagahama T., Kimura K., Suzuki M., Saito A., Shiotani M.
2019 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS 2019) page： 8792-8795 2019
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SMILES-2 Mission for Temperature, Wind, and Composition in the Whole Atmosphere Reviewed
Satoshi Ochiai, Philippe Baron, Toshiyuki Nishibori, Yoshihisa Irimajiri, Yoshinori Uzawa, Takeshi Manabe, Hiroyuki Maezawa, Akira Mizuno, Tomoo Nagahama, Hideo Sagawa, Makoto Suzuki, Masato Shiotani
SOLA Vol. 13A page： 13-18 2017.9
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Observations of stratospheric and mesospheric O3 with a millimeter-wave radiometer at Rikubetsu, Japan Reviewed
Ohyama H., T. Nagahama, A. Mizuno, H. Nakane, H. Ogawa
Earth, Planets and Space 2016.2
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Ground-based observations of nitric oxide in the mesosphere and lower thermosphere over Antarctica in 2012-2013 Reviewed
Y. Isono, A. Mizuno, T. Nagahama, Y. Miyoshi, T. Nakamura, R. Kataoka, M. Tsutsumi, M. K. Ejiri, H. Fujiwara, H. Maezawa, M. Uemura
Journal of Geophysical Research: Space Physics 2014.8
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Variations of nitric oxide in the mesosphere and lower thermosphere over Antarctica associated with a magnetic storm in April 2012 Reviewed
Isono Y., A. Mizuno, T. Nagahama, Y. Miyoshi, T. Nakamura, R. Kataoka, M. Tsutsumi, M. K. Ejiri, H. Fujiwara, H. Maezawa
Geophys. Res. Lett. 2014.4
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T. Kuwahara, T. Nagahama, H. Maezawa, Y. Kojima, H. Yamamoto, T. Okuda, N. Mizuno, H. Nakane, Y. Fukui, and A. Mizuno
Atmospheric Measurement Techniques Vol. 5 page： 2601-2611 2012.11
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T. Tanaka, Y. Miyamoto, I. Morino, T. Machida, T. Nagahama, Y. Sawa, H. Matsueda, D. Wunch, S. Kawakami, and O. Uchino
Atmospheric Measurement Techniques Vol. 5 ( 8 ) page： 2003-2012 2012.8
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Effects of atmospheric light scattering on spectroscopic observations of greenhouse gases from space: Validation of PPDF-based CO2 retrievals from GOSAT Reviewed
S. Oshchepkov, et al.
Journal of Geophysical Research Vol. 117 2012.6
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Overview and early results of the Superconducting Submillimeter-Wave Limb-Emission Sounder (SMILES) Reviewed
Kikuchi, K., T. Nishibori, S. Ochiai, H. Ozeki, Y. Irimajiri, Y. Kasai, M. Koike, T. Manabe, K. Mizukoshi, Y. Murayama, T. Nagahama, T. Sano, R. Sato, M. Seta, C. Takahashi, M. Takayanagi, H. Masuko, J. Inatani, M. Suzuki, and M. Shiotani
Journal of Geophysical Research-Atmospheres Vol. 115 ( D23306 ) 2010.12
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Remotely operable compact instruments for measuring atmospheric CO2 and CH4 column densities at surface monitoring sites Reviewed
Kobayashi, N., G. Inoue, M. Kawasaki, H. Yoshioka, M. Minomura, I. Murata, T. Nagahama, Y. Matsumi, T. Tanaka, I. Morino, and T. Ibuki
Atmospheric Measurement Techniques Vol. 3 page： 1-10 2010.4
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Column-averaged volume mixing ratio of CO2 measured with ground-based Fourier transform spectrometer at Tsukuba Reviewed
Hirofumi Ohyama, Isamu Morino, Tomoo Nagahama, Toshinobu Machida, Hiroshi Suto, Hiroyuki Oguma, Yousuke Sawa, Hidekazu Matsueda, Nobuo Sugimoto, Hideaki Nakane, and Kazumichi Nakagawa
Journal of Geophysical Research -Atmospheres Vol. 114 page： doi:10.1029/2008JD011465 2009.9
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Search of SO2 in the Martian atmosphere by ground-based submillimeter observation Reviewed
Nakagawa, H., Y. Kasaba, H. Maezawa, A. Hashimoto, H. Sagawa, I. Murata, S. Okano, S. Aoki, N. Moribe, A. Mizuno, M. Momose, T. Ohnishi, N. Mizuno, and T. Nagahama
Planet. Space Science Vol. 57 page： 2123-2127 2009
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Ground-based millimeter-wave observations of water vapor emission (183 GHz) at Atacama, Chile Reviewed
Kuwahara, T., A. Mizuno, T. Nagahama, H. Maezawa, A. Morihira, N. Toriyama, S. Murayama, M. Matsuura, T. Sugimoto, S. Asayama, N. Mizuno, T. Onishi, and Y. Fukui
Advances in Space Research Vol. 42 ( 1 ) page： 1167-1171 2008.10
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Ground-Based Millimeter-Wave Radiometer for Measuring the Stratospheric Ozone over Rikubetsu, Japan Reviewed
Tomoo NAGAHAMA, Hideaki NAKANE, Yasumi FUJINUMA, Atsushi MORIHIRA, Akira MIZUNO, Hideo OGAWA, and Yasuo FUKUI
Journal of the Meteorological Society of Japan Vol. 85 ( 4 ) page： 495-509 2007.8
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Continuous Measurements of the Stratospheric and Mesospheric Ozone by Using Ground-based Millimeter-wave Radiometers Reviewed
Tomoo Nagahama, Akira Mizuno, Hiroyuki Maezawa, Hideaki Nakane, Yasumi Fujinuma, Atsushi Morihira, Hideo Ogawa, and Yasuo Fukui
Proceedings of International Conference on Submillimeter Science and Technology (ICSST04) page： 20-23 2006
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A semi-annual variation of ozone in the middle mesosphere observed with the millimeter-wave radiometer at Tsukuba, Japan Reviewed
Nagahama, T., H. Nakane, Y. Fujinuma, H. Ogawa, A. Mizuno, and Y. Fukui
Journal of Geophysical Research -Atmospheres Vol. 108 page： 10.1029/2003JD003724 2003
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Millimeter-wave radiometer for the measurement of stratospheric ClO using a superconductive (SIS) receiver installed in the southern hemisphere Reviewed
Mizuno, A., T. Nagahama, A. Morihira, H. Ogawa, N. Mizuno, Y. Yonekura, H. Yamamoto, H. Nakane, and Y. Fukui
International Journal of Infrared and Millimeter Waves Vol. 23 page： 981-995 2002
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Ground-based millimeter-wave observations of ozone in the upper stratosphere and mesosphere at Tsukuba and Nagoya Reviewed
Nagahama, T., H. Nakane, M. Ninomiya, H. Ogawa, and Y. Fukui
Advances in Space Research Vol. 26 page： 1017-1020 2000
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Ground-based millimeterwave instrument for measurement of stratospheric ClO using a superconductive (SIS) receiver Reviewed
Fukui, Y., H. Ogawa, K. C. Xiao, Y. Iwasaka, H. Nakane, and T. Nagahama
Advances in Space Research Vol. 26 page： 975-978 2000
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Ground-based millimeter-wave observations of ozone in the upper stratosphere and mesosphere over Tsukuba Reviewed
Nagahama, T., H. Nakane, Y. Fujinuma, M. Ninomiya, H. Ogawa, and Y. Fukui
Earth, Planets and Space Vol. 51 page： 1287-1296 1999
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A spatially complete 13CO J=1-0 survey of the Orion A cloud Reviewed
Nagahama, T., A. Mizuno, H. Ogawa, and Y. Fukui
Astronomical Journal Vol. 116 page： 336-348 1998
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Observations of C18O (J=1-0) emission spectrum in the dark cloud L1211 Reviewed
Yu, Z. -Y., Y. Fukui, and T. Nagahama
Chinese Astronomy and Astrophysics Vol. 20 page： 38-44 1996
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The new observation of C18O(J=1-0) molecular emission in the Cepheus OB3 molecular cloud Reviewed
Yu, Z. -Y., T. Nagahama, and Y. Fukui
Astrophysical Journal Vol. 471 page： 867-870 1996
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Observation of C18O (J=1-0) emission from Cepheus C Reviewed
Yu, Z. -Y., T. Nagahama, and Y. Fukui
Chinese Astronomy and Astrophysics Vol. 20 page： 355-357 1996
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Clumping in the giant molecular cloud complex Cepheus OB3 Reviewed
Yu, Z. -Y., T. Nagahama, and Y. Fukui
Chinese Astronomy and Astrophysics Vol. 20 page： 131-131 1996
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Overall distribution of dense molecular gas and star formation in the Taurus cloud complex Reviewed
Mizuno, A., T. Onishi, Y. Yonekura, T. Nagahama, H. Ogawa, and Y. Fukui
Astrophysical Journal Vol. 445 page： L161-L165 1995
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Unbiased surveys for dense cloud cores Reviewed
Fukui, Y., A. Mizuno, H. Ogawa, K. Dobashi, T. Nagahama, J. P. Bernard, T. Tsuboi, T. Onishi, and Y. Yonekura
Proceedings of Cold Universe page： 157-168 1994
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A new look at the dark cloud L1251: Sensitive observations of the molecular emission Reviewed
Sato, F., A. Mizuno, T. Nagahama, T. Onishi, Y. Yonekura, and Y. Fukui
Astrophysical Journal Vol. 435 page： 279-289 1994
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Four CO outflows and dense gas in the dark cloud complex near IC5146 Reviewed
Dobashi, K., T. Onishi, T. Iwata, T. Nagahama, N. Patel, R. L. Snell, and Y. Fukui
Astronomical Journal Vol. 105 page： 1487-1494 1993
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A systematic survey for dense cores in nearby star formation regions Reviewed
Yasuo Fukui, Akira Mizuno, Tomoo Nagahama, Keiji Imaoka, and Hideo Ogawa
Memorie della Societa Astronomica Italiana Vol. 62 page： 801-812 1991
Books 2
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電波50のなぜ
長濱智生（ Role： Sole author）
名古屋大学太陽地球環境研究所 2007.2
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地球温暖化50のなぜ
水野亮、長濱智生（ Role： Joint author）
名古屋大学太陽地球環境研究所 2005.2
MISC 1
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Issues of Atmospheric Chemistry in the Stratosphere and Mesosphere
Archives of Atmospheric Chemistry Research ( 48 ) 2023.1
Presentations 45
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Long-term monitoring of atmospheric minor constituents using high-resolution FTIRs in ISEE International conference
Tomoo Nagahama, Isao Murata, Isamu Morino, Hideaki Nakajima
The 5th ISEE Symposium "Toward the Future of Space-Earth Environmental Research" 2022.11.17 ISEE, Nagoya Universtiy
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Analysis of long-term variation of isoprene column amount measured with high-resolution FTIR at Rikubetsu, Japan
2022.5
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地上高分解能FTIRによる太陽光吸収スペクトルからのイソプレンカラム量解析手法の研究
長濱智生, 森野勇, 村田功
第26回大気化学討論会 2021.11 日本大気化学会
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Exploring Short-term Variations in Mesospheric Ozone due to Large-scale Solar Flares Using a Ground-based Millimeter-wave Radiometer at Rikubestu, Japan and Aura/MLS Ozone Measurements International conference
Tomoo Nagahama, Akira Mizuno, Taku Nakajima, Tianliang Yang
Quadrennial Ozone Symposium (QOS 2021) 2021.10.5
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Study on a possible detection of short-term variations in mesospheric ozone caused by large solar flares
Tomoo Nagahama, Akira Mizuno, Taku Nakajima
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Development of a new ISEE Chemical Lagrangian Model to elucidate the atmospheric composition changes in the mesosphere International conference
Tomoo Nagahama, Shingo Nakanishi, Fujita Ken, Tac Nakajima, Akira Mizuno
JpGU-AGU Joint Meeting 2020
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高分解能FTIRによる大気汚染関連物質の変動解析
長濱智生, 森野勇
第24回大気化学討論会
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Long-term monitoring of tropospheric and stratospheric trace gases using ground-based FTIRs in Japan Invited International conference
Tomoo Nagahama
NDACC Science Workshop in Tsukuba
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陸別高分解能FTIRによる大気汚染物質の対流圏カラム平均混合比の長期変動観測
長濱智生, 森野勇, 中西慎吾
日本地球惑星科学連合2019年大会
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Long-term measurements of the column-averaged mixing ratios of tropospheric substances related to the air pollution using ground-based FTIRs at Rikubetsu International conference
2019 Joint NDACC-IRWG and TCCON Meeting
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南極昭和基地ミリ波放射分光計による中間圏一酸化窒素カラム量の変動解析
長濱智生, 水野亮, 中島拓, 大山博史, 児島康介, 江尻省, 冨川喜弘, 堤雅基, 中村卓司, 佐藤薫
第144回地球電磁気・地球惑星圏学会総会・講演会
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Long-term variations of HCN in the lower stratosphere measured with ground-based FTIRs over Hokkaido, Japan International conference
Tomoo Nagahama, Isamu Morino
2018 joint 14th iCACGP Quadrennial Symposium and 15th IGAC Science Conference
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Long-term variations of HCN in the lower stratosphere using ground-based FTIRs over Hokkaido, Japan International conference
NDACC-IRWG and TCCON Annual Meeting 2018
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陸別FTIR観測に見られる成層圏HCNの長期変動
長濱智生, 森野勇
第23回大気化学討論会
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A long-term monitoring of trace gases in troposphere and stratosphere retrieved from high-resolution FTIR measurements at Rikubetsu in Hokkaido, Japan International conference
Tomoo Nagahama, Isamu Morino, Sazuki Sunada
JpGU-AGU Joint Meeting 2017
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Four years measurements of the mesospheric nitric oxide (NO) and ozone with a ground-based millimeter-wave spectral radiometer at Syowa station, Antarctica International conference
Nagahama T., Mizuno A., Nakajima T., Ohyama H., Kojima Y., Ejiri M. K., Tomikawa Y., Tsutsumi M., Nakamura T.
Quadrennial Ozone Symposium 2016 (QOS2016)
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南極昭和基地ミリ波放射分光観測装置による太陽極大期における中間圏一酸化窒素カラム量の観測
長浜智生, 水野亮, 中島拓, 大山博史, 児島康介, 江尻省, 冨川喜弘, 堤雅基, 中村卓司
日本地球惑星科学連合2016年大会
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Annual and Inter-annual Variations of the Mesospheric Column Amount of Nitric Oxide (NO) Observed with a Millimeter-wave Radiometer at Syowa Station in Antarctica International conference
T. Nagahama, M. Uemura, A. Mizuno, T. Nakajima, H. Ohyama, Y. Miyoshi, Y. Kojima, Y. Isono, M. Tsutsumi, and T. Nakamura
Asia Oceania Geosciences Society 12th Annual Meeting (AOGS2015)
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Recent activities of Moshiri and Rikubetsu International conference
T. Nagahama and I. Morino
Network for the Detection of Atmospheric Composition Change (NDACC) Infrared Working Group (IRWG) 2015 meeting
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Ground-based millimeter-wave measurements of ozone and nitric oxide in the mesosphere and lower thermosphere in the southern hemisphere International conference
T. Nagahama, A. Mizuno, Y. Isono, Y. Kojima, H. Maezawa, T. Kuwahara, M. Tsutsumi, T. Nakamura, J. O. Salvador, E. J. Quel
Asia Oceania Geosciences Society 10th Annual Meeting
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Site report of Moshiri and Rikubetsu International conference
T. Nagahama, A. Mizuno and Y. Matsumi
Network for the Detection of Atmospheric Composition Change (NDACC) Infrared Working Group (IRWG) 2013 meeting
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Temporal variations of ozone distribution in upper stratosphere and mesosphere measured with SMILES International conference
T. Nagahama, S. Yashima, T. Kuwahara, R. Tanada, and A. Mizuno
Quadrennial Ozone Symposium 2012
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Site report of Moshiri and Rikubetsu International conference
T. Nagahama, A. Mizuno and Y. Matsumi
Network for the Detection of Atmospheric Composition Change (NDACC) Infrared Working Group (IRWG) 2011 meeting
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Millimeter-wave band observations of middle atmosphere International conference
T. Nagahama, A. Mizuno, H. Maezawa, T. Kuwahara, Y. Isono, T. Iino, R. Tanada, S. Yashima, N. Toriyama and Y. Kojima
Workshop on Submillimeter-Wave Receiver Technologies in Eastern Asia
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Site report: Moshiri and Rikubetsu International conference
T. Nagahama, A.Mizuno and Y. Matsumi
Network for the Detection of Atmospheric Composition Change (NDACC) Infrared Working Group (IRWG) 2010 meeting
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Ground-based millimeter-wave measurements of mesospheric NO2 in Atacama highland, Chile International conference
6th Annual General Meeting of Asia Oceania Geosciences Society (AOGS2009)
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JEM/SMILESの検証実験計画
長浜智生、塩谷雅人、高柳昌弘、SMILESサイエンスチーム
第14回大気化学討論会
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名大ＳＴＥ研高分解能FTIR による大気微量分子の長期変動観測
長濱智生
太陽から地球までシンポジウム
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Measurements of mesospheric O3, NO2 and HO2 with a ground-based millimetre-wave radiometer at Atacama, Chile International conference
Quadrennial Ozone Symposium 2008
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南米チリ・アタカマ高地における成層圏ClOのミリ波観測
長浜智生、水野 亮、前澤裕之、桑原利尚、寺田良平、森平淳志
日本地球惑星科学連合大会２００８
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名大STE研母子里・陸別FTIRによる成層圏・対流圏微量分子のモニタリング観測
長浜智生、村山智史、水野 亮、近藤 豊
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JEM/SMILES Experiment: A Validation Plan
SMILES International Workshop 2008
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Ground-based Millimeter-wave Measurements of Vertical Distribution of H2-18O in Upper Stratosphere and Mesosphere over Atacama, Chile International conference
4th Annual Meeting of the Asia Oceania Geosciences Society (AOGS2007)
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南米チリ22GHz帯水蒸気ラジオメータの観測精度評価
長浜智生、水野亮、前澤裕之、桑原利尚、杉本朋世、松浦真人
第17回大気化学シンポジウム
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Ground-based Millimeter-wave Measurements of Vertical H2-18O Distribution at Atacama, Chile International conference
2006 American Geophysical Union (AGU) Fall Meeting
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A Plan for Continuous Measurements of Mesospheric Ozone, NOx and HOx with a Ground-based Millimeter-wave Radiometer in Chile International conference
36th COSPAR Scientific Assembly
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A plan of the millimeter-wave measurements of mesospheric ozone, HOx and NOx
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ミリ波による中間圏大気組成変動観測計画
長浜智生、水野 亮、前澤裕之、桑原利尚、杉本朋世、松浦真人、村山智史、森平淳志
第16回大気化学シンポジウム
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Short-term Variations of Stratospheric Ozone Measured by Using a Ground-based Millimeter-wave Radiometer at Rikubetsu, Japan International conference
2005 American Geophysical Union (AGU) Fall Meeting
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Ground-based Millimeter-wave Measurements of Stratospheric Water Vapor and its isotopes in Chile International conference
Intenational Workshop on Submillimeter Wave Earth Observation
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Continuous Measurements of the Stratospheric and Mesospheric Ozone by Using Ground-based Millimeter-wave Radiometers International conference
International Conference on Submillimeter Science and Technology (ICSST-04)
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Long-term monitoring of the stratospheric and mesospheric ozone with the two ground-based millimeter-wave radiometers in NIES, Japan International conference
1st Annual Meeting of the Asia Oceania Geosciences Society (AOGS2004)
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Measurements of Temporal Variations of Ozone and Other Minor Constituents in the Mesosphere by Using a Ground-based Millimeter-wave Radiometer
Climate And Weather of the Sun-Earth System (CAWSES) Kickoff Meeting
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Short-term Variations of the Stratospheric Ozone Measured with the Ground-based Millimeter-wave Radiometer at Rikubetsu, Japan International conference
Quadrennial Ozone Symposium 2004
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CONTINUOUS MEASUREMENTS OF THE VERTICAL PROFILE OF OZONE IN THE STRATOSPHERE USING THE GROUND-BASED MILLIMETER-WAVE RADIOMETER IN RIKUBETSU, JAPAN International conference
4th International Workshop on Global Change: Connection to the Arctic 2003 (GCCA-4)
Research Project for Joint Research, Competitive Funding, etc. 10
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地上設置型計測器による二酸化炭素測定データの収集業務のうち、計測器の校正と機器特性の導出による研究委託業務
2018.12 - 2019.3
受託研究
松見豊
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平成21年度 陸別ミリ波放射計のオゾン高度分布解析法とその長期精度の確保・評価に関する研究委託業務
2009.8 - 2010.3
独立行政法人国立環境研究所
Grant type：Competitive
陸別成層圏総合観測室のミリ波放射計で取得されたオゾンスペクトルから得られたオゾン混合比の高度分布解析データについて、新たに導入された冷却黒体の精度評価と過去の結果との整合性、デジタル分光計のスパイク状ノイズの解析精度への影響評価等に関する研究を行った。
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平成20年度 デジタル分光計による広帯域高分解能ミリ波オゾンスペクトルの高度分布解析法とその精度評価に関する研究委託業務
2008.8 - 2009.3
独立行政法人国立環境研究所
Grant type：Competitive
陸別成層圏総合観測室のミリ波分光計に広帯域高分解能デジタル分光計を搭載した場合のオゾン混合比高度分布解析法について、解析精度、高度分解能、観測上限及び下限高度およびデジタル分光計特有の問題点等に関する研究を行った。
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平成19年度 陸別ミリ波オゾン放射計によるオゾン高度分布観測の精度評価管理及び時間変動解析に関する研究
2007.5 - 2008.2
独立行政法人国立環境研究所
Grant type：Competitive
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平成18年度 地上FTIR装置を用いた観測及び高精度高度分布導出に関する研究
2006.8 - 2007.2
独立行政法人国立環境研究所
Grant type：Competitive
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平成18年度 陸別ミリ波オゾン放射計によるオゾン高度分布観測の精度評価管理及び時間変動解析に関する研究
2006.6 - 2007.2
独立行政法人国立環境研究所
Grant type：Competitive
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平成17年度 陸別ミリ波オゾンデータ高度分布解析の高度化に関する研究
2005.10 - 2006.2
独立行政法人国立環境研究所
Grant type：Competitive
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平成17年度 地上FTIR装置を用いた観測及び高精度高度分布導出に関する研究
2005.8 - 2006.2
独立行政法人国立環境研究所
Grant type：Competitive
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平成16年度 地上FTIR装置を用いた観測及び高精度高度分布導出に関する研究
2004.12 - 2005.2
独立行政法人国立環境研究所
Grant type：Competitive
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平成16年度 陸別ミリ波オゾンデータの実時間解析手法の研究
2004.12 - 2005.2
独立行政法人国立環境研究所
Grant type：Competitive
KAKENHI (Grants-in-Aid for Scientific Research) 12
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Development of the retrieval method for methane isotopes from the ground-based FTIR mesurements
Grant number：23K03487 2023.4 - 2026.3
Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)
Authorship：Coinvestigator(s) Grant type：Competitive
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Studies on long-term variations of the isoprene distribution in the troposphere and its effects on air quality using infrared spectroscopy International coauthorship
Grant number：21H03589 2021.4 - 2024.3
Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)
Authorship：Principal investigator Grant type：Competitive
Grant amount：\16640000 （ Direct Cost: \12800000 、 Indirect Cost：\3840000 ）
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Study of the influence of energetic particle precipitation on atmospheric environment in both polar regions International coauthorship
Grant number：19H01952 2019.4 - 2022.3
Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)
Mizuno Akira
Authorship：Coinvestigator(s) Grant type：Competitive
This study aims to understand the influence of energetic particle precipitation (EPP) on the global atmospheric environment from the stratosphere to the lower thermosphere through simultaneous observations from Syowa Station in the Antarctic region and the EISCAT Tromsoe site in the Arctic region. By introducing new technologies, we aimed to expand the range of observational information and improve data quality.
Due to the COVID19 that prevented us from traveling to the Arctic region, we could not complete the observational research as we originally planned, but we succeeded in installing a multi-frequency millimeter-wave spectrometer and a spectral riometer at Syowa Station and began observations. In particular, the uniquely developed multi-frequency millimeter-wave spectrometer using a waveguide-type frequency multiplexer realized the world's first simultaneous ground-based observations of O3, NO, CO, and HO2 in millimeter waves. -
A study of spatio-temporal changes of aerosols and trace gases in South America by utilizing the SAVER-Net observing network International coauthorship
Grant number：18KK0289 2018.10 - 2024.3
Grants-in-Aid for Scientific Research Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))
Authorship：Coinvestigator(s) Grant type：Competitive
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太陽極大期の高エネルギー粒子の降込みが極域中間圏大気に及ぼす影響の観測的研究
2011.4 - 2015.3
科学研究費補助金 基盤研究(B)
水野亮
Authorship：Coinvestigator(s)
太陽活動が地球大気に与える影響をとらえるため、南極昭和基地において３年間にわたるミリ波分光モニタリングを実施した。その結果、中間圏から下部熱圏の一酸化窒素(NO)が不定期に数日間で増加する短期変動と極夜前後に４ヶ月程度にわたり増加する季節変動を示すことを明らかにした。短期変動はそれまで注目されていた太陽陽子よりも磁気嵐の発生に伴い加速される放射線帯の高エネルギー電子が主要な役割を担っていること、季節変動は光化学反応と高エネルギー電子の降り込みが要因となっていることを観測的に明瞭に示した。
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Development of a measuring system of column-averaged mixing ratio of greenhouse gases with an optical spectrum analyzer operated in near infrared region
2011.4 - 2014.3
Grant-in-Aid for Scientific Research Grant-in-Aid for Scientific Research(B)
Authorship：Principal investigator
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A study of influence on stratospheric composition in mid-latitude region by Antarctic ozone hole based on ground-based millimeter-wave measurements
2008.4 - 2013.3
Grant-in-Aid for Scientific Research Grant-in-Aid for Scientific Research(B)
Authorship：Principal investigator
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準ミリ波水蒸気分光放射計による中層大気水蒸気・オゾンの観測的研究
2006.4 - 2010.3
科学研究費補助金 基盤研究(B)
水野亮
Authorship：Coinvestigator(s)
オゾン破壊に関与するHOxのソースであり大気の放射バランスでも重要な役割を果たす成層圏水蒸気の鉛直分布を計測するため、HEMT増幅器とデジタルFFT分光計を用いた22GHz帯マイクロ波分光計を開発した。冷却増幅器を用いることなく常温で運用可能なため、軽量で可搬性に優れている。十分な感度を有し、対流圏での吸収により平地からの観測が困難であった成層圏水蒸気の昼夜を通した連続観測を可能にした。
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チリ共和国アタカマにおける成層圏・中間圏の水蒸気同位体およびオゾンの観測的研究
2006.4 - 2010.3
科学研究費補助金 基盤研究(B)
水野亮
Authorship：Coinvestigator(s)
標高4800mのチリ共和国アタカマ高地に180GHz帯から260GHz帯の高感度ミリ波分光観測装置を設置し、中層大気中の水蒸気およびオゾン破壊関連物質の新たな観測拠点を整備した。水蒸気同位体H_2^<18>Oの4カ月にわたる連続観測を遂行しAURA/MLSのH_2Oデータと比較することにより、アタカマ高地上空で春から夏にかけてこの高度で^<18>Oの同位体偏重度δ^<18>Oが増加していることを見出した。
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A study of chemical composition changes in the mesosphere related with penetration of magnetospheric high energy electrons
2006.4 - 2009.3
Grant-in-Aid for Scientific Research Grant-in-Aid for Scientific Research(B)
Authorship：Principal investigator
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対流圏OHラジカルの非破壊定常観測のためのTHz帯ヘテロダインHEB検出器の開発
2005.4 - 2007.3
科学研究費補助金
前澤裕之
Authorship：Coinvestigator(s)
新超伝導素材NbTiNのナノ細線を集積した2次元準光学HEBミクサー素子の製作プロセス1をほぼ確立した。またMgO(100)結晶超半球レンズを製作した他、素子の冷却マウントホルダーや、IF信号を取り出す誘電体基板回路、オフセット放物面鏡の製作を行った。一方MgO基板は1-2年のオーダーで表面が劣化することが分かった。
HEBミクサー素子を、実際にワイヤーボンダーで結線してマウントし、冷却サイクルや機械式冷凍機の振動に(実用に)対する耐久試験を行った。その結果、素子IV超伝導特性は劣化することなく、良好な特性を維持していた。また、冷却サイクルや振動に対し、誘電体レンズや誘電体基板は破損せずに良好な状態を維持しており、またワイヤーも、断線等も生じず、冷却時の収縮率の違いに対して十分耐久性を持つことを確認できた。
200GHz帯の信号を2次元方向に挿引し、その応答から推定したビーム形状が、準光学マウントの設計と矛盾の無いことを確認した。また素子は周辺の300Kの輻射に対してボロメトリックな応答を見せることが分かった。 -
チリ熱帯域における成層圏・中間圏の水蒸気同位体分子のミリ波同時観測
2003.4 - 2005.3
科学研究費補助金 基盤研究(A)
水野亮
Authorship：Coinvestigator(s)
本研究は、成層圏において20年あまりの間年率1%程度で増加し1990年代末より減少傾向に推移した水蒸気の振る舞いとその増減のメカニズムを明らかにするため、2周波ミリ波分光放射計を新たに開発・製作し、南米チリ共和国の4800mのアタカマ高地に設置して水蒸気分子の同位体比の連続測定を行うことを目的とした。
2年間の研究期間を通し、(1)2周波同時分光観測装置の製作、(2)チリ共和国ラス・カンパナス天文台におけるH_2^<18>O観測と解析アルゴリズムの改良、(3)アタカマ高地におけるミリ波水蒸気観測施設の立ち上げと観測を行った。
(1)に関しては、多周波同時受信の基礎技術のひとつであるサイドバンド分離型超伝導受信機の開発実験と2つの超伝導受信器の共通冷却システム、2系統の独立した光学系と光学系切り替えのための駆動鏡制御系の製作を行い、観測システムを組み上げた。装置トラブルのため研究期間内のアタカマ高地での2周波同時観測はできなかったが、実験室において観測システムの基本動作の確認は終了している。(2)H15年9月からH16年2月まで連続してH_2^<18>Oのモニタリング観測を行ない、解析アルゴリズムを改良した。H_2^<18>Oスペクトルは強度がアンテナ温度50mK程度と微弱なため、これまで単発的な観測例はあったが、本観測のような連続的観測はなく、H_2Oと同様の季節変動を示すことが明かになった。(3)200GHz帯のH_2^<18>O、オゾンに加え、183GHz帯のH_2Oスペクトルを取得に成功した。200GHz帯での大気の光学的厚みは0.05程度と極めて良好であったが、183GHzでは標高4,800mでも0.3-0.5程度であった。高地作業と不測の装置障害のため当初計画よりも観測装置の立ち上げが遅れたが、現時点では基本的な問題は解決されている。本研究により、アタカマ高地における水蒸気観測の基盤が確立された。
Teaching Experience (On-campus) 17
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地球大気計測論
2019
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地球大気計測論
2018
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地球大気計測論
2017
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地球大気計測論
2015
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地球大気計測論
2014
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地球大気計測論
2013
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宇宙情報処理特論
2011
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電磁波工学
2011
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電磁波工学
2010
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宇宙情報処理特論
2009
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電磁波工学
2009
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電磁波工学
2008
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電磁波工学
2007
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宇宙情報処理特論
2007
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電磁波工学
2006
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電磁波工学
2005
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宇宙情報処理特論
2005
Social Contribution 4
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小型分光計による二酸化炭素計測
Role(s)：Lecturer, Demonstrator
関西学院千里国際高等部 関西学院千里国際高等部 りかたび2022 関西学院千里国際高等部 2023.3
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陸別小学校出前授業 じゃんけんロボットを見てみよう
Role(s)：Lecturer
北海道陸別町教育委員会 オンライン 2023.2
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地球環境と二酸化炭素観測
Role(s)：Lecturer
関西学院千里国際高等部 関西学院千里国際高等部 りかたび2022 関西学院千里国際高等部 2023.2
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陸別中学校出前授業 「AI」ってなんだろう？
Role(s)：Lecturer
北海道陸別町教育委員会 オンライン 2022.11