Rchr
J-GLOBAL ID：200901067162158525
Update date: Dec. 18, 2025
Sakai Tetsu
サカイ テツ | Sakai Tetsu
Affiliation and department：
Job title：
Head
Homepage URL (2)：
https://www.mri-jma.go.jp/Member/obs/susakaitetsusak.html
,
https://www.mri-jma.go.jp/Member/obs/susakaitetsusak_en.html
Research field (2)：
Measurement engineering
, Atmospheric and hydrospheric science
Research keywords (5)：
water vapor
, エアロゾル
, DIAL
, ライダー
, Laser Radar
Research theme for competitive and other funds (11)：
- 2025 - 2028 Volcanic ash optical properties and ground-based validation of EarthCARE lidar observations
- 2022 - 2026 Development and experimental validation of water vapor and wind lidar for early detection of heavy rain
- 2019 - 2023 最先端の地上大気観測とデータ同化で、線状降水帯の予測精度はどこまで向上するのか?
- 2017 - 2020 Elucidation of the Mechanisms of Severe Local Storms Utilizing Integrated Water Vapor Observation Network in Tokyo Metropolitan Area
- 2014 - 2016 ドップラーライダーを用いた高層ビルキャノピー内乱流観測とモデル化
- 2014 - 2016 Development next-generation field-deployable water vapor lidar for predicting localized heavy rainfall
- 2011 - 2014 Research on tropospheric ozone in Japan using ozone lidar
- 2010 - 2012 Development and verification of the accurate measurement of optical property of aerosol
- 2008 - 2010 Development of the practical lidar technique for the carbon dioxide vertical profile measurement.
- 2007 - 2009 Water-solubility of modified Kosa particles and the influences on light scattering and cloud formation
- 2005 - 2007 Simultaneous observation of upper clouds and aerosols with balloon-borne instruments
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Papers (113)：
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T. Sakai, O. Uchino, T. Nagai, B. Liley, R. Querel, I. Morino, Y. Jin, T. Fujimoto, E. Oikawa, N. Oshima. Stratospheric Aerosol Backscatter and Depolarization Ratio Observed With Ground-Based Lidar at Tsukuba, Japan, and Lauder, New Zealand. Journal of Geophysical Research: Atmospheres. 2025
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Jun Inoue, Hiromu Seko, Kazutoshi Sato, Tetsu Sakai. Operational Capability of Drone-Based Meteorological Profiling in an Urban Area. Journal of Geophysical Research: Atmospheres. 2024. 130. 1
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Elizabeth Asher, Alexandre Baron, Pengfei Yu, Michael Todt, Penny Smale, Ben Liley, Richard Querel, Tetsu Sakai, Isamu Morino, Yoshitaka Jin, et al. Balloon Baseline Stratospheric Aerosol Profiles (B2SAP)-Perturbations in the Southern Hemisphere, 2019-2022. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES. 2024. 129. 22
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Nelson Begue, Alexandre Baron, Gisele Krysztofiak, Gwenael Berthet, Corinna Kloss, Fabrice Jegou, Sergey Khaykin, Marion Ranaivombola, Tristan Millet, Thierry Portafaix, et al. Evidence of a dual African and Australian biomass burning influence on the vertical distribution of aerosol and carbon monoxide over the southwest Indian Ocean basin in early 2020. ATMOSPHERIC CHEMISTRY AND PHYSICS. 2024. 24. 13. 8031-8048
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Satoru Yoshida, Tetsu Sakai, Tomohiro Nagai, Yasutaka Ikuta, Teruyuki Kato, Koichi Shiraishi, Ryohei Kato, Hiromu Seko. Water Vapor Lidar Observation and Data Assimilation for a Moist Low-Level Jet Triggering a Mesoscale Convective System. Monthly Weather Review. 2024. 152. 4. 1119-1137
ｍore...
MISC (278)：
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吉田智, 酒井哲, 永井智広, 瀬古弘, 白石浩一, 清水慎吾. 線状降水帯の下層インフローの水蒸気及び風の観測. 日本気象学会大会講演予稿集(CD-ROM). 2024. 125
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瀬古弘, 酒井哲, 吉田智, 福井真, 小司禎教, 藤田匡. 船舶搭載GNSSの最適な観測位置などの知見を得るための観測システムシミュレーション実験. 日本気象学会大会講演予稿集(CD-ROM). 2024. 125
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瀬古弘, 酒井哲, 吉田智, 幾田泰酵, 川畑拓矢, 中村哲也. 線状降水帯予測精度向上ための気象観測用ドローン洋上観測. 日本気象学会大会講演予稿集(CD-ROM). 2024. 125
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瀬古弘, 山内洋, 佐藤英一, 佐藤英一, 梅原章仁, 酒井哲, 鈴木修, 南雲信宏, 足立アホロ. Estimation of Time Variation of Refractive Index Obtained from Operational Weather Radar at Tokyo International Airport. 天気. 2024. 71. 7
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瀬古弘, 山内洋, 梅原章仁, 佐藤英一, 酒井哲, 足立アホロ. レーダー屈折率時間変化量の推定時のパラメータと観測高度. 日本気象学会大会講演予稿集(CD-ROM). 2023. 123
ｍore...
Books (3)：
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高層気象観測の発展と展望 第5章オゾンライダー
日本気象学会 2014
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高層気象観測の発展と展望 第4章水蒸気ラマンライダー
日本気象学会 2014
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Kosa
2009
Education (2)：
- 1994 - 1999 Nagoya University Graduate School of Science Division of Particle and Astrophysical Science
- 1989 - 1994 Nagoya University School of Science Atmospheric Physics and Chemistry
Professional career (1)：
- Ph.D. (Nagoya University)
Work history (9)：
- 2022/04 - 現在 Meteorological Research Institute, Japan Meteorological Agency Observation and Data Assimilation Research Department Head
- 2019/04 - 2022/03 Meteorological Research Institute Department of Observation and Data Assimilation Research Senior Researcher
- 2012 - 2019/03 Meteorological Research Institute Meteorological Satellite & Observation System Research Department Senior Researcher
- 2011 - 2012 NASA Goddard Space Flight Center Mesoscale Atmospheric Process Laboratory Visiting Scientist
- 2009 - 2010 Meteorological Research Institute Meteorological Satellite & Observation System Research Department Senior Researcher
- 2006 - 2008 Meteorological Research Institute Meteorological Satellite & Observation System Research Department Researcher
- 2004/01 - 2005/12 Nagoya University Graduate School of Environmental Studies Postdoctoral Researcher
- 2001/04 - 2003/12 Japan Society for the Promotion Science Domestic Research Fellow
- 2000/01 - 2001/03 Japan Science and Technololgy Agency Postdoctral Researcher
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Committee career (5)：
- 2019/04 - 現在 World Meteorological Organization (WMO) Core Member of WMO CIMO Expert Team on Upper Air Measurements
- 2019/04 - 現在 Laser Radar Society of Japan Committee on investigation of satellite-borne lidar project
- 2018/04 - 現在 Japan Aerospace Exploration Agency (JAXA) Committee on development of atmospheric particulate matter detection lidar
- 2015 - 現在 Laser Radar Society of Japan Member of Revitalization Planning Commission
- 2014/04 - 2018/03 World Meteorological Organization (WMO) Member of WMO CIMO Expert Team on New Remote Sensing Technologies (ET-NRST),
Awards (1)：
- Japan Chapter of IEEE Geosciences and Remote Sensing Society GRSS award for young scientist
Association Membership(s) (2)：
Laser Radar Society of Japan
, the Meteorological Society of Japan
