Sekiya Takashi

Affiliation and department：
Homepage URL (2)： https://www.jamstec.go.jp/rigc/ress/tsekiya/ , https://www.jamstec.go.jp/rigc/ress/tsekiya/e/index.html

Research field (2)： Atmospheric and hydrospheric science , Environmental dynamics

Research keywords (5)： Data Assimilation , Chemistry-Climate Modeling , Chemical Transport Model , Aerosol , Atmospheric Chemistry

Research theme for competitive and other funds (7)：

2023 - 2028 BVOCを介した植物・気候相互作用のモデリングと将来予測
2022 - 2025 多成分衛星観測の統合に基づく硫酸・硝酸・アンモニウム塩エアロゾル経年変動の解明
2021 - 2025 Tropospheric ozone hole and iodine chemistry over the ocean: Focus analysis in the western Pacific low-latitude region and global assessment
2020 - 2023 Impact of Anthropogenic Aerosols on Marine Primary Productivity in the Western North Pacific
2018 - 2022 衛星データ同化による第2世代大気組成再解析の構築

Show all

Papers (28)：

Pieter Rijsdijk, Henk Eskes, Arlene Dingemans, Folkert Boersma, Takashi Sekiya, Kazuyuki Miyazaki, Sander Houweling. Quantifying uncertainties of satellite NO2 superobservations for data assimilation and model evaluation. 2024
Takashi Sekiya, Kazuyuki Miyazaki, Henk Eskes, Kevin Bowman, Kengo Sudo, Yugo Kanaya, Masayuki Takigawa. The worldwide COVID-19 lockdown impacts on global secondary inorganic aerosols and radiative budget. Science Advances. 2023. 9. 30
Christina Brodowsky, Valentina Aquila, Slimane Bekki, Sandip Dhomse, Anton Laakso, Graham Mann, Ulrike Niemeier, Ilaria Quaglia, Eugene Rozanov, Takashi Sekiya, et al. Evaluating the Uncertainties of the Global Atmospheric Sulphur Budget in a Multi-Model Framework. 2023
Jagat S. H. Bisht, Prabir K. Patra, Masayuki Takigawa, Takashi Sekiya, Yugo Kanaya, Naoko Saitoh, Kazuyuki Miyazaki. Estimation of CH₄ emission based on an advanced 4D-LETKF assimilation system. Geoscientific Model Development. 2023. 16. 6. 1823-1838
Hisahiro Takashima, Yugo Kanaya, Saki Kato, Martina M. Friedrich, Michel Van Roozendael, Fumikazu Taketani, Takuma Miyakawa, Yuichi Komazaki, Carlos A. Cuevas, Alfonso Saiz-Lopez, et al. Full latitudinal marine atmospheric measurements of iodine monoxide. Atmospheric Chemistry and Physics. 2022. 22. 6. 4005-4018

ｍore...

MISC (18)：

岩本洋子, 竹谷文一, 松本和彦, 本多牧生, SISWANTO Eko, 金谷有剛, 野口真希, 関谷高志, 川本雄大, 山地一代. Estimation of Nitrogen Deposition Flux over the Eastern Indian Ocean and Evaluation of Its Impact on Primary Production. エアロゾル科学・技術研究討論会(CD-ROM). 2021. 38th
TAKETANI Fumikazu, NOGUCHI AITA Maki, SEKIYA Takashi, YAMAJI Kazuyo, YAMAJI Kazuyo, IKEDA Kohei, HONDA Makio, MATSUMOTO Kazuhiko, SASAOKA Kosei, KANAYA Yugo. Influence of deposition of atmospheric nitrogen compounds on the surface marine ecosystem at the Japan Sea. 日本地球惑星科学連合大会予稿集(Web). 2020. 2020
YAMAJI Kazuyo, KAWAMOTO Katsuhiro, TAUCHI Moe, IWAMOTO Yoko, MATSUMOTO Kazuhiko, HONDA Makio, KANAYA Yugo, SEKIYA Takashi, NOGUCHI AITA Maki, NAKAYAMA Tomoki, et al. Model analysis of atmospheric concentrations and depositions on the Eastern Indian Ocean observed by R/V Hakuho Maru. 日本地球惑星科学連合大会予稿集(Web). 2020. 2020
IWAMOTO Yoko, KAWAMOTO Katsuhiro, MATSUMOTO Kazuhiko, HONDA Makio, KANAYA Yugo, SEKIYA Takashi, NOGUCHI AITA Maki, YAMAJI Kazuyo, TAKETANI Fumikazu. Atmospheric Nitrogen Deposition to the Eastern Indian Ocean and Its Implication for Primary Production. 日本地球惑星科学連合大会予稿集(Web). 2020. 2020
岩本洋子, 川本雄大, 竹谷文一, 松本和彦, 本多牧生, SISWANTO Eko, 金谷有剛, 野口真希, 関谷高志, 山地一代. 大気起源窒素が秋季東部インド洋の基礎生産に及ぼす影響評価. 日本海洋学会大会講演要旨集. 2020. 2020

ｍore...

Education (2)：

2009 - 2014 Nagoya University Graduate School of Environmental Studies Department of Earth and Environmental Sciences
2005 - 2009 Nagoya University School of Science Department of Earth and Planetary Science

Work history (3)：

2019/08 - 現在 Japan Agency for Marine-Earth Science and Technology Research Institute for Global Change, Earth Surface System Research Center, Environmental Geochemical Cycle Research Group Research Scientist
2016/04 - 2019/07 Japan Agency for Marine-Earth Science and Technology Project Team for HPC Advanced Predictions utilizing Big Data Postdoctoral researcher
2014/04 - 2016/03 Nagoya University Graduate School of Environmental Studies Department of Earth and Environmental Sciences

Association Membership(s) (4)：

American Geophysics Union , 日本気象学会 , 日本地球惑星科学連合(JpGU) , 日本大気化学会

※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

Return to Previous Page