Researcher Information
researchmap URL
Research Interests
Research Areas
Research History
- Aug. 2019 - Present
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 - Apr. 2016 - Jul. 2019
Japan Agency for Marine-Earth Science and Technology, Project Team for HPC Advanced Predictions utilizing Big Data, Postdoctoral researcher - Apr. 2014 - Mar. 2016
Nagoya University, Graduate School of Environmental Studies Department of Earth and Environmental Sciences, Postdoctoral researcher
Research activity information
Papers
- Xuetao Guan; Tomohiro O. Sato; Takashi Sekiya; Takeshi Kuroda; Haoyu Yang; Yasuko Kasai
Quantitative analysis of global air cleanliness using the Clean aIr Index (CII)
Atmospheric Environment, Jun. 2026 - Fumikazu Taketani; Kazuhiko Matsumoto; Takashi Sekiya; Kazuyo Yamaji; Yugo Kanaya
An observational case study for inorganic nitrogen dry deposition potential on sea-surface primary production in the subtropical, western North Pacific.
Scientific reports, 14 Feb. 2026 - Hisahiro Takashima; Yugo Kanaya; Yoko Iwamoto; Kazuhiko Takeda; Takashi Sekiya; Fumikazu Taketani; Martina M. Friedrich; Michel Van Roozendael; Atsushi Ooki; Takuma Miyakawa; Shin-Ya Ogino; Masaki Katsumata
Simultaneous observations of atmospheric IO radical, O3, and sea surface iodide over the tropical western Pacific warm pool: strong correlation of IO levels with estimated inorganic iodine fluxes
Progress in Earth and Planetary Science, 12 Nov. 2025
[Reviewed] - Phuc Thi Minh Ha; Yugo Kanaya; Kazuyo Yamaji; Syuichi Itahashi; Satoru Chatani; Takashi Sekiya; Maria Dolores Andrés Hernández; John Philip Burrows; Hans Schlager; Michael Lichtenstern; Mira Poehlker; Bruna Holanda
Assessing BC and CO emissions from China using EMeRGe aircraft observations and WRF/CMAQ modelling
Atmospheric Chemistry and Physics, 22 Oct. 2025
[Reviewed] - Zhihong Zhuo; Xinyue Wang; Yunqian Zhu; Wandi Yu; Ewa M. Bednarz; Eric Fleming; Peter R. Colarco; Shingo Watanabe; David Plummer; Georgiy Stenchikov; William Randel; Adam Bourassa; Valentina Aquila; Takashi Sekiya; Mark R. Schoeberl; Simone Tilmes; Jun Zhang; Paul J. Kushner; Francesco S. R. Pausata
Comparing multi-model ensemble simulations with observations and decadal projections of upper atmospheric variations following the Hunga eruption
ATMOSPHERIC CHEMISTRY AND PHYSICS, 21 Oct. 2025
25, 20, 13161, 13176 - Yunqian Zhu; Hideharu Akiyoshi; Valentina Aquila; Elizabeth Asher; Ewa M. Bednarz; Slimane Bekki; Christoph Brühl; Amy H. Butler; Parker Case; Simon Chabrillat; Gabriel Chiodo; Margot Clyne; Peter R. Colarco; Sandip Dhomse; Lola Falletti; Eric Fleming; Ben Johnson; Andrin Jörimann; Mahesh Kovilakam; Gerbrand Koren; Ales Kuchar; Nicolas Lebas; Qing Liang; Cheng-Cheng Liu; Graham Mann; Michael Manyin; Marion Marchand; Olaf Morgenstern; Paul Newman; Luke D. Oman; Freja F. Østerstrøm; Yifeng Peng; David Plummer; Ilaria Quaglia; William Randel; Samuel Rémy; Takashi Sekiya; Stephen Steenrod; Timofei Sukhodolov; Simone Tilmes; Kostas Tsigaridis; Rei Ueyama; Daniele Visioni; Xinyue Wang; Shingo Watanabe; Yousuke Yamashita; Pengfei Yu; Wandi Yu; Jun Zhang; Zhihong Zhuo
Hunga Tonga–Hunga Ha′apai Volcano Impact Model Observation Comparison (HTHH-MOC) project: experiment protocol and model descriptions
Geoscientific Model Development, 01 Sep. 2025
18, 17, 5487, 5512 - Takashi Sekiya; Hisashiro Takashima; Yugo Kanaya; Fumikazu Taketani; Kengo Sudo; Martina M. Friedrich; Michel Van Roozendael
Evaluation of processes driving iodine monoxide and ozone variability over the Western Pacific warm pool
Progress in Earth and Planetary Science, 23 Jun. 2025
12, 1, 44
[Reviewed]
Lead, Corresponding - Takashi Sekiya; Emanuele Emili; Kazuyuki Miyazaki; Antje Inness; Zhen Qu; R. Bradley Pierce; Dylan Jones; Helen Worden; William Y. Y. Cheng; Vincent Huijnen; Gerbrand Koren
Assessing the relative impacts of satellite ozone and its precursor observations to improve global tropospheric ozone analysis using multiple chemical reanalysis systems
Atmospheric Chemistry and Physics, 20 Feb. 2025
[Reviewed]
Lead, Corresponding - Pieter Rijsdijk; Henk Eskes; Arlene Dingemans; K. Folkert Boersma; Takashi Sekiya; Kazuyuki Miyazaki; Sander Houweling
Quantifying uncertainties in satellite NO2 superobservations for data assimilation and model evaluation
Geoscientific Model Development, 28 Jan. 2025
[Reviewed] - Hiroshi Tanimoto; Tsuneo Matsunaga; Yu Someya; Tamaki Fujinawa; Hirofumi Ohyama; Isamu Morino; Hisashi Yashiro; Takafumi Sugita; Satoshi Inomata; Astrid Müller; Tazu Saeki; Yukio Yoshida; Yosuke Niwa; Makoto Saito; Hibiki Noda; Yousuke Yamashita; Kohei Ikeda; Nobuko Saigusa; Toshinobu Machida; Matthias Max Frey; Hyunkwang Lim; Priyanka Srivastava; Yoshitaka Jin; Atsushi Shimizu; Tomoaki Nishizawa; Yugo Kanaya; Takashi Sekiya; Prabir Patra; Masayuki Takigawa; Jagat Bisht; Yasko Kasai; Tomohiro O. Sato
The greenhouse gas observation mission with Global Observing SATellite for Greenhouse gases and Water cycle (GOSAT-GW): objectives, conceptual framework and scientific contributions
Progress in Earth and Planetary Science, 23 Jan. 2025
12, 1
[Reviewed] - Phuc Thi Minh Ha; Yugo Kanaya; Kazuyo Yamaji; Syuichi Itahashi; Satoru Chatani; Takashi Sekiya; Maria Dolores Andrés Hernández; John Philip Burrows; Hans Schlager; Michael Lichtenstern; Mira Poehlker; Bruna Holanda
Downward and upward revisions of Chinese emissions of black carbon and CO in bottom-up inventories are still required: an integrated analysis of WRF/CMAQ model and EMeRGe observations in East Asia in spring 2018
26 Nov. 2024 - 藤縄 環; 林 顯光; 佐藤 知紘; 関谷 高志; 山下 陽介; 中村 綾乃; 杉田 考史; 金谷 有剛; 笠井 康子; 谷本 浩志
GOSAT-GW TANSO-3 L2 NO2プロダクト（T3L2NO2）の導出アルゴリズム
日本リモートセンシング学会誌, Jun. 2024
44, 2, 127, 134 - 山口 将大; 金谷 有剛; 滝川 雅之; Jagat S.H. Bisht; 関谷 高志; Prabir K. Patra; 杉田 考史; 谷本 浩志
Estimation of CO2 and NOX surface emission fluxes by divergence method using pseudo-satellite data
日本リモートセンシング学会誌, Jun. 2024
44 - Christina Brodowsky; Timofei Sukhodolov; Gabriel Chiodo; Valentina Aquila; slimane; Sandip Dhomse; Michael Höpfner; Anton Laakso; Graham Mann; Ulrike Niemeier; Giovanni Pitari; Ilaria Quaglia; Eugene Rozanov; Anja Schmidt; Takashi Sekiya; Simone Tilmes; Claudia Timmreck; Sandro Vattioni; Daniele Visioni; Given Names Deactivated Family Name Deactivated; YUNQIAN ZHU; Thomas Peter
Analysis of the global atmospheric background sulfur budget in a multi-model framework
Atmospheric Chemistry and Physics, 14 May 2024
[Reviewed] - 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, 28 Jul. 2023
9, 30
[Reviewed]
Lead, Corresponding - 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, 31 Mar. 2023
16, 6, 1823, 1838
[Reviewed] - Hisahiro Takashima; Yugo Kanaya; Saki Kato; Martina M. Friedrich; Michel Van Roozendael; Fumikazu Taketani; Takuma Miyakawa; Yuichi Komazaki; Carlos A. Cuevas; Alfonso Saiz-Lopez; Takashi Sekiya
Full latitudinal marine atmospheric measurements of iodine monoxide
Atmospheric Chemistry and Physics, 31 Mar. 2022
22, 6, 4005, 4018
[Reviewed] - Takashi Sekiya; Kazuyuki Miyazaki; Henk Eskes; Kengo Sudo; Masayuki Takigawa; Yugo Kanaya
A comparison of the impact of TROPOMI and OMI tropospheric NO<sub>2</sub> on global chemical data assimilation
Atmospheric Measurement Techniques, 23 Mar. 2022
15, 6, 1703, 1728
[Reviewed]
Lead, Corresponding - Takashi Sekiya; Kazuyuki Miyazaki; Koji Ogochi; Kengo Sudo; Masayuki Takigawa; Henk Eskes; K. Folkert Boersma
Impacts of Horizontal Resolution on Global Data Assimilation of Satellite Measurements for Tropospheric Chemistry Analysis
Journal of Advances in Modeling Earth Systems, 30 Jun. 2021
13, 6
[Reviewed]
Lead, Corresponding - TAKETANI Fumikazu; AITA Maki N.; SEKIYA Takashi; YAMAJI Kazuyo; IKEDA Kohei; MATSUMOTO Kazuhiko; HONDA Makio C.; KANAYA Yugo
Influence of Deposition of Atmospheric Nitrogen Compounds to the Surface Chlorophyll-a Concentration over Japan Sea
Earozoru Kenkyu, 2021
36, 1, 46, 54 - Zhe Jiang; Hongrong Shi; Bin Zhao; Yu Gu; Yifang Zhu; Kazuyuki Miyazaki; Yuqiang Zhang; Kevin W. Bowman; Takashi Sekiya; Kuo-Nan Liou
Modeling the Impact of COVID-19 on Air Quality in Southern California: Implications for Future Control Policies
Atmospheric Chemistry and Physics, 29 Dec. 2020
21, 8693, 8708
[Reviewed] - Kazuyuki Miyazaki; Kevin Bowman; Takashi Sekiya; Masayuki Takigawa; Jessica L Neu; Kengo Sudo; Greg Osterman; Henk Eskes
Global tropospheric ozone responses to reduced NOx emissions linked to the COVID-19 world-wide lockdowns
Science Advances, 17 Nov. 2020
7, 24
[Reviewed] - K. Miyazaki; K. Bowman; T. Sekiya; Z. Jiang; X. Chen; H. Eskes; M. Ru; Y. Zhang; D. Shindell
Air Quality Response in China Linked to the 2019 Novel Coronavirus (COVID‐19) Lockdown
Geophysical Research Letters, 16 Oct. 2020
47, 19
[Reviewed] - Kazuyuki Miyazaki; Kevin Bowman; Takashi Sekiya; Henk Eskes; Folkert Boersma; Helen Worden; Nathaniel Livesey; Vivienne H. Payne; Kengo Sudo; Yugo Kanaya; Masayuki Takigawa; Koji Ogochi
Updated tropospheric chemistry reanalysis and emission estimates, TCR-2, for 2005–2018
Earth System Science Data, 21 Sep. 2020
12, 3, 2223, 2259
[Reviewed] - Yuqiang Zhang; Jason West; Louisa K. Emmons; Kengo Sudo; Takashi Sekiya; Johannes Flemming; jan Eiof Jonson; Marianne Tronstad Lund
Contributions of World Regions to the Global Tropospheric Ozone Burden Change from 1980 to 2010
Geophysical Research Letters, 04 Aug. 2020
48, 1
[Reviewed] - 竹谷文一、野口真希、関谷高志、松本和彦、山地一代
東アジア大気汚染物質の海洋沈着が海洋低次生態系へ及ぼす影響評価
食生活化学・文化、環境に関する研究助成研究紀要, 29 May 2020
33, 185, 192 - Vincent Huijnen; Kazuyuki Miyazaki; Johannes Flemming; Antje Inness; Takashi Sekiya; Martin G. Schultz
An intercomparison of tropospheric ozone reanalysis products from CAMS, CAMS interim, TCR-1, and TCR-2
Geoscientific Model Development, 26 Mar. 2020
13, 3, 1513, 1544
[Reviewed] - Takashi Sekiya; Yugo Kanaya; Kengo Sudo; Fumikazu Taketani; Yoko Iwamoto; Maki N. Aita; Akitomo Yamamoto; Katsuhiro Kawamoto
Global bromine- and iodine-mediated tropospheric ozone loss estimated using the CHASER chemical transport model
SOLA, 2020
16, 220, 227
[Reviewed]
Lead, Corresponding - Yugo Kanaya; Kazuyuki Miyazaki; Fumikazu Taketani; Takuma Miyakawa; Hisahiro Takashima; Yuichi Komazaki; Xiaole Pan; Saki Kato; Kengo Sudo; Takashi Sekiya; Jun Inoue; Kazutoshi Sato; Kazuhiro Oshima
Ozone and carbon monoxide observations over open oceans on R/V Mirai from 67°S to 75°N during 2012 to 2017: Testing global chemical reanalysis in terms of Arctic processes, low ozone levels at low latitudes, and pollution transport
Atmospheric Chemistry and Physics, Jun. 2019
19, 11, 7233, 7254
[Reviewed] - K. Miyazaki; T. Sekiya; D. Fu; K. W. Bowman; S. S. Kulawik; K. Sudo; T. Walker; Y. Kanaya; M. Takigawa; K. Ogochi; H. Eskes; K. F. Boersma; A. M. Thompson; B. Gaubert; J. Barre; L. K. Emmons
Balance of Emission and Dynamical Controls on Ozone During the Korea‐United States Air Quality Campaign From Multiconstituent Satellite Data Assimilation
Journal of Geophysical Research: Atmospheres, 16 Jan. 2019
124, 1, 387, 413
[Reviewed] - Fumikazu Taketani; Maki N. Aita; Kazuyo Yamaji; Takashi Sekiya; Kohei Ikeda; Kosei Sasaoka; Taketo Hashioka; Makio C. Honda; Kazuhiko Matsumoto; Yugo Kanaya
Seasonal Response of North Western Pacific Marine Ecosystems to Deposition of Atmospheric Inorganic Nitrogen Compounds from East Asia
Scientific Reports, 01 Dec. 2018
8, 1
[Reviewed] - Xinyi Dong; Joshua S. Fu; Qingzhao Zhu; Jian Sun; Jiani Tan; Terry Keating; Takashi Sekiya; Kengo Sudo; Louisa Emmons; Simone Tilmes; Jan Eiof Jonson; Michael Schulz; Huisheng Bian; Mian Chin; Yanko Davila; Daven Henze; Toshihiko Takemura; Anna Maria Katarina Benedictow; Kan Huang
Long-range transport impacts on surface aerosol concentrations and the contributions to haze events in China: an HTAP2 multi-model study
Atmospheric Chemistry and Physics, Oct. 2018
18, 21, 15581, 15600
[Reviewed] - Ciao-Kai Liang; J. Jason West; Raquel A. Silva; Huisheng Bian; Mian Chin; Yanko Davila; Frank J. Dentener; Louisa Emmons; Johannes Flemming; Gerd Folberth; Daven Henze; Ulas Im; Jan Eiof Jonson; Terry J. Keating; Tom Kucsera; Allen Lenzen; Meiyun Lin; Marianne Tronstad Lund; Xiaohua Pan; Rokjin J. Park; R. Bradley Pierce; Takashi Sekiya; Kengo Sudo; Toshihiko Takemura
HTAP2 multi-model estimates of premature human mortality due to intercontinental transport of air pollution and emission sectors
Atmospheric Chemistry and Physics, Jul. 2018
18, 14, 10497, 10520
[Reviewed] - Stefano Galmarini; Ioannis Kioutsioukis; Efisio Solazzo; Ummugulsum Alyuz; Alessandra Balzarini; Roberto Bellasio; Anna M. K. Benedictow; Roberto Bianconi; Johannes Bieser; Joergen Brandt; Jesper H. Christensen; Augustin Colette; Gabriele Curci; Yanko Davila; Xinyi Dong; Johannes Flemming; Xavier Francis; Andrea Fraser; Joshua Fu; Daven K. Henze; Christian Hogrefe; Ulas Im; Marta Garcia Vivanco; Pedro Jiménez-Guerrero; Jan Eiof Jonson; Nutthida Kitwiroon; Astrid Manders; Rohit Mathur; Laura Palacios-Peña; Guido Pirovano; Luca Pozzoli; Marie Prank; Martin Schultz; Rajeet S. Sokhi; Kengo Sudo; Paolo Tuccella; Toshihiko Takemura; Takashi Sekiya; Alper Unal
Two-scale multi-model ensemble: is a hybrid ensemble of opportunity telling us more?
Atmospheric Chemistry and Physics, Jun. 2018
18, 12, 8727, 8744
[Reviewed] - Takashi Sekiya; Kazuyuki Miyazaki; Koji Ogochi; Kengo Sudo; Masayuki Takigawa
Global high-resolution simulations of tropospheric nitrogen dioxide using CHASER V4.0
Geoscientific Model Development, 16 Mar. 2018
11, 3, 959, 988
[Reviewed]
Lead, Corresponding - Prabir K. Patra; David Crisp; Johannes W. Kaiser; Debra Wunch; Tazu Saeki; Kazuhito Ichii; Takashi Sekiya; Paul O. Wennberg; Dietrich G. Feist; David F. Pollard; David W. T. Griffith; Voltaire A. Velazco; M. De Maziere; Mahesh K. Sha; Coleen Roehl; Abhishek Chatterjee; Kentaro Ishijima
The Orbiting Carbon Observatory (OCO-2) tracks 2-3 peta-gram increase in carbon release to the atmosphere during the 2014-2016 El Nino
SCIENTIFIC REPORTS, Oct. 2017
7, 13567
[Reviewed] - Hiroki Kashimura; Manabu Abe; Shingo Watanabe; Takashi Sekiya; Duoying Ji; John C. Moore; Jason N. S. Cole; Ben Kravitz
Shortwave radiative forcing, rapid adjustment, and feedback to the surface by sulfate geoengineering: analysis of the Geoengineering Model Intercomparison Project G4 scenario
ATMOSPHERIC CHEMISTRY AND PHYSICS, Mar. 2017
17, 5, 3339, 3356
[Reviewed] - T. Sekiya; K. Sudo; T. Nagai
Evolution of stratospheric sulfate aerosol from the 1991 Pinatubo eruption: Roles of aerosol microphysical processes
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, Mar. 2016
121, 6, 2911, 2938
[Reviewed]
Lead, Corresponding - T. Sekiya; K. Sudo
Roles of transport and chemistry processes in global ozone change on interannual and multidecadal time scales
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, Apr. 2014
119, 8, 4903, 4921
[Reviewed]
Lead, Corresponding - Takashi Sekiya
Interannual Variability and Long-term Change of Global Ozone Distribution: Roles of Transport and Chemical Processes
Nagoya University, 2014 - Takashi Sekiya; Kengo Sudo
Role of meteorological variability in global tropospheric ozone during 1970–2008
Journal of Geophysical Research: Atmospheres, 21 Sep. 2012
117, D18
[Reviewed]
Lead, Corresponding
Misc.
- 金谷 有剛,須藤 健悟,Prabir Patra,坂本 陽介,関谷 高志,藤縄 環, 谷本 浩志,江口 菜穂,齋藤 尚子,笠井 康子,出牛 真,佐藤 知紘
大気汚染物質群の新たな科学：化学理論の更新と排出―気候変動・健康問題の解決へ向けて
大気化学研究, 13 Jun. 2022
47
[Reviewed] - 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 - 関谷高志; 金谷有剛; 須藤健悟; 須藤健悟; 竹谷文一; 相田真希; 山本彬友; 岩本洋子; 川本雄大
Impacts of tropospheric bromine and iodine on global tropospheric ozone: a modeling study using CHASER
日本地球惑星科学連合大会予稿集(Web), 2020
2020 - 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; CHATANI Satoru; TAKETANI Fumikazu
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 - TAKETANI Fumikazu; AITA Maki Noguchi; YAMAJI Kazuyo; YAMAJI Kazuyo; SEKIYA Takashi; IKEDA Kohei; HASHIOKA Taketo; HONDA Makio; MATSUMOTO Kazuhiko; KANAYA Yugo
Influence of Deposition of Atmospheric Inorganic Nitrogen Compounds to Marine Ecosystem at Bay of Bengal
日本地球惑星科学連合大会予稿集(Web), 2019
2019 - TAKETANI Fumikazu; NOGUCHI AITA Maki; YAMAJI Kazuyo; YAMAJI Kazuyo; SEKIYA Takashi; IKEDA Kohei; IKEDA Kohei; SASAOKA Kosei; HASHIOKA Taketo; HONDA Makio; MATSUMOTO Kazuhiko; KANAYA Yugo
Potential of Deposition of Atmospheric Inorganic Nitrogen Compounds Produced at East Asia to Marine Ecosystem at North Western Pacific Ocean
日本地球惑星科学連合大会予稿集(Web), 2018
2018 - 関谷 高志; 須藤 健悟
D458 全球化学輸送モデルにおける上部対流圏オゾン分布の再現性評価 : 気象場、鉛直座標系、解像度に対する感度実験(物質循環,一般口頭発表)
大会講演予講集, 2012
101, 496, 496 - 川田 大樹; 関谷 高志; 須藤 健悟
P160 化学気候モデルを用いた1991年ピナツボ火山噴火に伴う硫酸エアロゾル時空間変動の評価(ポスター・セッション)
大会講演予講集, 2012
102, 244, 244
Presentations
- Margot Clyne; Owen B. Toon; James W. Hurrell; Jeffrey R. Pierce; Graham W. Mann; Timofei Sukhodolov; Slimane Bekki; Peter R. Colarco; Shingo Watanabe; Takashi Sekiya; Kengo Sudo; Tatsuya Nagashima; Simone Tilmes; Sandip Dhomse; Yunqian Zhu; Kostas Tsigaridis; Nicolas Lebas; Marion Marchand; Lola Falletti
How good are we, really, at simulating stratospheric aerosols? Knowledge gained through VolMIP and Tonga-MIP
CMIP Community Workshop 2026, 12 Mar. 2026 - Takashi Sekiya; Tomohiro Hajima; Kengo Sudo; Akihiko Ito; Miho Sekiguchi; Shingo Watanabe; Koji Ogochi; Manabu Abe; Yugo Kanaya; Michio Kawamiya
Climate-biogeochemical feedback on future methane abundance in the MIROC-ES2L-CHEM Earth system model
CMIP Community Workshop 2026, 10 Mar. 2026 - Ewa Monika Bednarz; V. F. Aquila; A. H. Butler; P. R. Colarco; E. L. Fleming; P. A. Newman; F. Østerstrøm; D. Plummer; I. Quaglia; W. Randel; M. Santee; T. Sekiya; S. Tilmes; X. Wang, PhD.; S. WATANABE; W. Yu; J. Zhang; Y. Zhu; Z. Zhuo
Multi-Model Assessment of Impacts of the Hunga Eruption on Stratospheric Ozone and Its Chemical and Dynamical Drivers
106th AMS Annual Meeting, 27 Jan. 2026 - Takashi Sekiya; K. Miyazaki; H. Eskes; P. Rijsdijk; K. Sudo; Y. Kanaya
Advancing Global Aerosol Composition Estimates through Simultaneous Data Assimilation of Satellite AOD and Trace Gases Observations
106th AMS Annual Meeting, 27 Jan. 2026 - Hiroshi Tanimoto; T. Matsunaga; Y. Someya; T. Fujinawa; H. Ohyama; I. Morino; H. Yashiro; T. Sugita; T. Saeki; Y. Yoshida; A. Mueller; S. Inomata; H. Lim; N. D. Thien Chi; M. Saito; H. Noda; Y. Yamashita; S. Okamoto; Y. Niwa; K. Ikeda; M. C. Rajwar; Y. Kanaya; T. Sekiya; P. Patra; M. Takigawa; M. Yamaguchi; Y. Kasai; T. O. Sato; Y. Kojima; K. Shiomi; M. Sakai; Y. Okamura
The GOSAT-GW Greenhouse Gases Observation Mission: Status and Initial Results
106th AMS Annual Meeting, 26 Jan. 2026 - Jinkyul Choi; Kazuyuki Miyazaki; Takashi Sekiya; Shin-Ya Ogino; Henk Eskes; Pieter Rijsdijk; Ryan Benne; Glenn S Diskin; Jason Miech; Alessandro Franchin; Eric C Apel; Paul O Wennberg; John D Crounse; Kat Ball; Young Ro Lee; Donald Ray Blake; Armin Wisthaler; Jose L. Jimenez; Mark A Zondlo; Glenn Wolfe; Jinhyeok Yu; Jung Hun Wo
Assessing Air Pollution Drivers in Asia Through Multi-Species Data Assimilation During NASA's ASIA-AQ Campaign
AGU annual meeting 2025, 19 Dec. 2025 - Hiroshi Tanimoto; Tsuneo Matsunaga; Yu Someya; Tamaki Fujinawa; Hirofumi Ohyama; Isamu Morino; Hisashi Yashiro; Takafumi Sugita; Tazu Saeki; Yukio Yoshida; Astrid Müller; Satoshi Inomata; Hyunkwang Lim; Nguyen Doan; Thien Chi; Makoto Saito; Hibiki Noda; Yosuke Yamashita; Yosuke Niwa; Sachiko Okamoto; Kohei Ikeda; Yugo Kanaya; Takashi Sekiya; Prabir Kumar Patra; Masayuki Takigawa; Masahiro Yamaguchi; Yasuko Kasai; Tomohiro Sato; Yasushi Kojima; Kei Shiomi; Michito Sakai; Yoshihiko Okamura
Status and initial results of the GOSAT-GW greenhouse gases observation mission
AGU annual meeting 2025, 18 Dec. 2025 - Ilaria Quaglia; Daniele Visioni; Ewa Bednarz; Yunqian Zhu; Georgiy L Stenchikov; Cheng-Cheng Liu; Graham W Man; Yifeng Peng; Takashi Sekiya; Simone Tilmes; Xinyue Wang; Shingo Watanabe; Pengfei Yu; Jun Zhang; Wandi Yu
Multi-model analysis of the radiative impacts of the 2022 Hunga eruption indicates a significant cooling contribution from the volcanic plume
AGU annual meeting 2025, 18 Dec. 2025 - 関谷高志; 宮崎和幸; Henk Eskes; Pieter Rijsdijk; 須藤健悟; 金谷有剛
次世代大気組成再解析の開発に向けた微量気体成分とエアロゾル光学的深さの衛星観測の同時データ同化
気象学会2025年秋季大会, 08 Nov. 2025 - 渡辺真吾; Walker Lee; Daniele Visioni; Ben Kravits; 関谷高志; 道端拓朗; 羽島知洋; 杉山昌広
成層圏エアロゾル注入はアジアの大気質改善による 温暖化ホットスポットを緩和するか？
気象学会2025年秋季大会, 05 Nov. 2025 - 関谷高志; 羽島知洋; 須藤健悟; 伊藤昭彦; 関口美保; 渡辺真吾; 大越智幸司; 阿部学; 金谷有剛; 河宮未知生
将来メタン予測における気候-生物化学フィードバックの影響
第30回大気化学討論会, 09 Oct. 2025 - 山地一代; 関谷高志; 板橋秀一; 櫻井達也; 嶋寺光; 茶谷聡; 金谷有剛
環境省PM 2.5 成分手分析と大気質モデル結果の比較にもとづくブラックカーボン排出推計値の評価
第30回大気化学討論会, 08 Oct. 2025 - 竹谷文一; 朱春茂; 関谷高志; 松本和彦; 岩本洋子; 金谷有剛
貧栄養海域への大気からの栄養塩物質供給：小笠原諸島父島でのエア ロゾル・雨成分の初期解析
第30回大気化学討論会, 08 Oct. 2025 - Takashi Sekiya; Tomohiro Hajima; Kengo Sudo; Akihiko Ito; Miho Sekiguchi; Shingo Watanabe; Koji Ogochi; Manabu Abe; Yugo Kanaya; Michio Kawamiya
Assessing climate-biogeochemical feedback on future methane abundance using the MIROC-ES2L-CHEM earth system model
CACTI workshop 2025, 18 Sep. 2025 - 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
Busan IAMAS-IACS-IAPSO joint assembly 2025, 21 Jul. 2025, [Invited] - Tatsuya Nagashima; Minoru Chikira; Kohei Ikeda; Tomoo Ogura; Hiroshi Tanimoto; Takashi Sekiya; Kengo Sudo
Hindcasting simulation of global methane concentration with a Chemistry Climate Model
Busan IAMAS-IACS-IAPSO joint assembly 2025, 21 Jul. 2025 - Takashi Sekiya; Emanuele Emili; Kazuyuki Miyazaki; Antje Inness; Zhen Qu; R Bradley Pierce; Dylan Jones; Helen Worden; William YY Cheng; Vincent Huijnen; Gerbrand Koren
Assessing the relative impacts of satellite ozone and its precursor observations to improve global tropospheric ozone analysis using multiple reanalysis systems
The 21st meeting of the CEOS Atmospheric Composition Virtual Constellation (AC-VC), 09 Jun. 2025 - Masahiro Yamaguchi; Yugo Kanaya; Masayuki Takigawa; Jagat S.; H. Bish; Takashi Sekiya; Prabir K. Patra; Takafumi Sugita; Hiroshi Tanimoto
Estimation of CO2 and NOX emissions using the divergence method applied to pseudo satellite observations
21st International Workshop on Greenhouse Gas Measurements from Space, 11 Jun. 2025 - Tamaki Fujinawa; Hyunkwang Lim; Yousuke Yamashita; Takashi Sekiya; Yugo Kanaya; Tomohiro Sato; Yasko Kasai; Takafumi Sugita; Hiroshi Tanimoto
Retrieval algorithm development for TANSO-3 NO2 product
21st International Workshop on Greenhouse Gas Measurements from Space, 11 Jun. 2025 - Hiroshi Tanimoto; Tsuneo Matsunaga; Yu Someya; Tamaki Fujinawa; Hirofumi Ohyama; Isamu Morino; Hisashi Yashiro; Takafumi Sugita; Satoshi Inomata; Astrid Müller; Tazu Saeki; Yukio Yoshida; Yosuke Niwa; Makoto Saito; Hibiki Noda; Yousuke Yamashita; Kohei Ikeda; Nobuko Saigusa; Toshinobu Machida; Yoshitaka Jin; Atsushi Shimizu; Tomoaki Nishizawa; Yugo Kanaya; Takashi Sekiya; Prabir Patra; Masayuki Takigawa; Yasko Kasai; Tomohiro Sato
The greenhouse gas observation mission with Global Observing SATellite for Greenhouse gases and Water cycle (GOSAT-GW): Updates
21st International Workshop on Greenhouse Gas Measurements from Space, 09 Jun. 2025 - 笠井 康子; 金谷 有剛; 藤縄 環; 佐藤 知紘; 関谷 高志; 山下 陽介; 江口 菜穂
アジア静止軌道からのGHGs/SLCFs測定と排出量評価
日本地球惑星科学連合2025年大会, 30 May 2025 - Kengo Sudo; Yuto Masaki; Takashi Sekiya
Chemical and radiative impacts of the 2022 Hunga Tonga-Hunga Ha'apai eruption: a chemistry-climate model simulation
Japan Geoscience Union Meeting 2025, 27 May 2025 - 関 雪涛; 佐藤 知紘; 関谷 高志; 黒田 剛史; Yang Haoyu; 笠井 康子
CIIを用いた世界の大気清浄度の定量分析
日本地球惑星科学連合2025年大会, 26 May 2025 - 関谷 高志; 高島 久洋; 金谷 有剛; 竹谷 文一; 須藤 健悟; Martina Friedrich、Michel Van Roozendael
西太平洋暖水プール上空における一酸化ヨウ素・オゾン変動を駆動するプロセスの評価
日本地球惑星科学連合2025年大会, 26 May 2025 - 金谷 有剛; Sommariva Roberto; Saiz-Lopez Alfonso; Mazzeo Andrea、Rowlinson Matthew、Read Katie; Koenig Theodore; Schultz Martin; 川名 華織; 藤原 正智; 佐藤 啓市; 黒川 純一; 岩本 洋子; 竹谷 文一; 高島 久洋; 関谷 高志
全球海洋および極域上空の下部対流圏オゾン観測データ：TOAR-II海洋ワーキンググループデータセット2024年版の作成と日本からの貢献
日本地球惑星科学連合2025年大会, 26 May 2025 - 永島 達也; 千喜良 稔; 池田 恒平; 小倉 知夫; 谷本 浩志; 関谷 高志; 須藤 健悟
全球化学気候モデルによるメタン濃度過去再現実験
日本地球惑星科学連合2025年大会, 25 May 2025 - Pieter Rijsdijk; Henk Eskes; Kazuyuki Miyazaki; Takashi Sekiya; Sander Houweling
Creating TROPOMI superobservations for data assimilation and model evaluation
EGU General Assembly 2025, 01 May 2025 - Katharina Perny; Pavle Arsenovic; Christoph Brühl; Sandip Dhomse; Ales Kuchar; Anton Laakso; Graham Mann; Ulrike Niemeier; Giovanni Pitari; Ilaria Quaglia; Harald Rieder; Takashi Sekiya; Timofei Sukhodolov; Simone Tilmes; Claudia Timmreck; Daniele Visioni
Assessing the stratospheric temperature response to volcanic sulfate injections: insights from a multi-model framework
EGU General Assembly, 28 Apr. 2025 - Jagat Bish; Prabir Kumar Patra; Masayuki Takigawa; Yugo Kanaya; Masahiro Yamaguchi; Takashi Sekiya; Hiroshi Tanimoto
Estimation of NOx/CO2 emissions based on space-based NO2 and CO2 observations over India using regional model WRF-GHG/Chem
AGU24 Annual Meeting24 Ann, 12 Dec. 2024 - Hiroshi Tanimoto; Tsuneo Matsunaga; Yu Someya; Tamaki Fujinawa; Hirofumi Ohyama; Isamu Morino; Hisashi Yashiro; Takafumi Sugita; Satoshi Inomata; Astrid Müller; Tazu Saeki; Yukio Yoshida; Yosuke Niwa; Makoto Saito; Hibiki Noda; Yousuke Yamashita; Kohei Ikeda; Nobuko Saigusa; Toshinobu Machida; Matthias M. Frey; Hyunkwang Lim; Priyanka Srivastava; Yoshitaka Jin; Atsushi Shimizu; Tomoaki Nishizawa; Yugo Kanaya; Takashi Sekiya; Prabir Kumar Patr; Masayuki Takigaw; Jagat Bish; Yasuko Kasai; Tomohiro Sato
The greenhouse gas observation mission with GOSAT-GW: Objectives, conceptual framework and scientific contributions
AGU24 Annual Meeting, 12 Dec. 2024 - Takashi Sekiya
Atmospheric trace gas and aerosol analysis based on TROPOMI satellite chemical data assimilation
Atmospheric Environmental Remote Sensing Society 2024 Annual Meeting, 02 Dec. 2024, [Invited] - Takashi Sekiya; Kazuyuki Miyazaki
Atmospheric composition reanalysis: Tropospheric Chemistry Reanalysis version 3 (TCR-3)
The 6th WCRP International Conference on Reanalysis (ICR6), 28 Oct. 2024 - 関谷 高志; Emanuele Emili; 宮崎 和幸; Antje Inness; Zhen Qu; Brad R. Pierce; Dylan Jones; Helen Worden; Will Chen; Vincent Huijnen; Gerbrand Koren
複数の化学再解析システムを用いた全球対流圏オゾン解析に対するオゾンとその前駆体の衛星観測の影響評価
第29回大気化学討論会（2024）, 10 Oct. 2024 - 竹谷 文一; 山地 一代; 関谷 高志; 岩本 洋子; 金谷 有剛
東部インド洋での大気微量成分船舶観測:モデル計算 との比較・ 発生源寄与評価
第29回大気化学討論会（2024）, 09 Oct. 2024 - 藤縄環; Lim Hyunkwang; 佐藤知紘; 関谷高志; 山下陽介; 中村綾乃; 杉田考史; 金谷有剛; 笠井康子; 谷本浩志
第3世代GOSAT(GOSAT-GW)TANSO-3 L2 NO2プロダクト (T3L2NO2)導出アルゴリズム
第29回大気化学討論会（2024）, 09 Oct. 2024 - 谷本浩志; 松永恒雄; 染谷有; 藤縄環; 大山博 史; 森野勇; 八代尚; 杉田考史; 猪俣敏; Astrid Mülle; 佐伯田鶴; 吉田幸 生; 丹羽洋介; 齊藤誠; 野田響; 山下陽介; 池田恒平; 三枝信子; 町田敏暢; Matthias Max Frey; Hyunkwang Lim; Priyanka Srivastava; 神慶孝; 清水厚; 西澤智明; 金谷有剛; 関谷高志; Prabir Patra; 滝川雅之; Jagat Bish; 山口将大; 笠井康子; 佐藤知紘; 中村綾乃
GOSAT-GW温室効果ガス観測ミッション
第29回大気化学討論会（2024）, 09 Oct. 2024 - Takashi Sekiya; Tomohiro Hajima; Kengo Sudo; Yugo Kanaya; Michio Kawamiya; Akihiko Ito
Evaluation of climate-biogeochemical feedback impacts on future methane and climate change using the MIROC-ES2L-CHEM earth system model
Composition Air quality Climate inTeractions Initiative (CACTI) workshop 2024, 18 Sep. 2024 - Yugo Kanya; Roberto Sommariva; Alfonso Saiz-Lopez; James Johnson; Kenneth Aikin; Theodore Koenig; Suzie Molloy; Anoop Mahajan; Junsu Gil; William Simpson; Gao Chen; Jame Lee; Rainer Volkamer; Roeland Van Malderen; Anne M. Thompson; Debra E. Kollonige; Juan Carlos Gomez Martin; Martin Schultz; Marios Panagi; Jose Antonio Adame Carnero; Katie Read; Andrea Mazzeo; Matthew Rowlinson; Keiichi Sato; Takashi Sekiya; Fernando Iglesias-Suarez; Alba Badia; Maria Russo; Fumikazu Taketani; Hisahiro Takashima; Yoko Iwamoto; Kazuhiko Takeda; Atsushi Ooki; TOAR-II database; eam members; TOAR-II Oceans WG members
Collection of observational ozone data over the global oceans to assess chemistry and temporal evolution: Efforts of the TOAR-II Oceans Working Group
The 16th iCACGP Symposium and 18th IGAC Science Conference, 12 Sep. 2024 - Phuc Thi Minh Ha; Yugo Kanaya; Kazuyo Yamaji; Takashi Sekiya; Maria Dolores Andrés; Hernández; John Philip Burrows; Hans Schlager; Michael Lichtenstern; Mira Poehlker; Bruna Holanda; EMeRGe-Asia science team
Biomass-burning and anthropogenic emissions of black carbon, CO, and CO 2 from South East Asia and China: an integrated analysis of Regional Air Quality Model (CMAQ) and EMeRGe-Asia aircraft observations during early spring 2018
The 16th iCACGP Symposium and 18th IGAC Science Conference, 12 Sep. 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
The 16th iCACGP Symposium and 18th IGAC Science Conference, 12 Sep. 2024 - Tamaki Fujinawa; Hyunkwang Lim; Tomohiro O. Sato; Takashi Sekiya; Yousuke Yamashita; Ayano Nakamura; Takafumi Sugita; Yugo Kanaya; Yasko Kasai; Hiroshi Tanimoto
Progress of Retrieval Algorithm Development for GOSAT-GW NO2 Product
The 16th iCACGP Symposium and 18th IGAC Science Conference, 10 Sep. 2024 - Kazuyuki Miyazaki; Kevin Bowman; Takashi Sekiya
Shifting Patterns of Global Emissions and Ozone Chemical Regime Linked to Human Activity and Natural Processes using A Decadal Chemical Reanalysis
The 16th iCACGP Symposium and 18th IGAC Science Conference, 10 Sep. 2024 - Masahiro Yamaguchi; Yugo Kanaya; Masayuki Takigawa; Jagat S.; H. Bish; Takashi Sekiya; Prabir K. Patra; Takafumi Sugita; Hiroshi Tanimoto
Estimation of CO 2 and NO X emissions using the divergence method applied to pseudo satellite observations
The 16th iCACGP Symposium and 18th IGAC Science Conference, 10 Sep. 2024 - Tamaki Fujinawa; Hyunkwang Lim; Tomohiro Sato; Takashi Sekiya; Yousuke Yamashita; Ayano Nakamura; Takafumi Sugita; Yugo Kanaya; Yasuko Kasai; Hiroshi Tanimoto
PROGRESS OF RETRIEVAL ALGORITHM DEVELOPMENT FOR GOSATGW NO2 PRODUCT
45th COSPAR Scientific Assembly 2024, 17 Jul. 2024 - Kazuyuki Miyazaki; Kevin Bowman; Takashi Sekiya
Shifting patterns of global emissions and tropospheric ozone linked to human activity and natural processes using a decadal chemical reanalysis
Quadrennial Ozone Symposium 2024, 16 Jul. 2024 - Takashi Sekiya; Emanuele Emili; Kazuyuki Miyazaki; Antje Inness; Zhen Qu; R. Bradley Pierce; Dylan Jones; Helen Worden; Will Cheng
Assessing the relative impacts of satellite ozone and its precursor observations to improve global tropospheric ozone analysis using multiple chemical reanalysis systems
Quadrennial Ozone Symposium 2024, 15 Jul. 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
AOGS2024 21st Annual Meeting, 25 Jun. 2024 - 笠井 康子; 金谷 有; 齋藤 尚; 江口 菜; 佐藤 知; 藤縄 環; 山下 陽介; 関谷 高志
アジア静止軌道からの大気環境物質GHGs/SLCFsの測定
日本地球惑星科学連合2024年大会, 28 May 2024 - 岩本 洋子; 樫村 英伸; 竹田 一彦; 竹谷 文一; 関谷 高志; 崔 天暢; 大木 淳之; 金谷 有剛
夏季の西部北太平洋表層における無機態ヨウ素濃度の鉛直プロファイル
日本地球惑星連合2024年大会, 28 May 2024 - Jagat Bish; Prabir Patra; Masayuki Takigawa; Masahiro Yamaguchi; Yugo Kanaya; Takashi Sekiya; Hiroshi Tanimoto
Estimation of NOx/CO2 emissions based on space-based NO2 and CO2 observations over India using regional model WRF-GHG/Chem
Japan Geoscience Union Meeting 2024, 28 May 2024 - Phuc Thi Minh Ha; Yugo Kanaya; Kazuyo Yamaji; Takashi Sekiya; Maria Dolores; Andrés Hernández; John Philip Burrows; Hans Schlager; Michael Lichtenstern; Mira Poehlker; Bruna Holanda
China's black carbon, CO, and CO2 emissions from integrated analysis of the Regional Air Quality Model (CMAQ) and EMeRGe-Asia aircraft observations during early spring 2018
Japan Geoscience Union Meeting 2024, 27 May 2024 - 関谷 高志; 羽島 知洋; 須藤 健悟; 金谷 有剛; 河宮 未知生
大気メタンに対する気候−生物地球化学フィードバック：湿地メタンおよび生物起源揮発性有機化合物の発生源の影響
日本地球惑星科学連合2024年大会, 29 May 2024 - 永野憲,植木巌,勝俣昌己,本多牧生,松本和彦,竹谷文一,関谷高志,渡健介,賀来将大,石原靖久, 福田達也,藤田美季子,細田滋毅,川合義美,横井覚,宮澤泰正,谷口京子, 松原浩史,覃洪偉,崔天暢,鈴木直弥,青木一真, 遠嶋康徳,石戸谷重之,Meghan F. Cronin
西部北太平洋域における大気・海洋・生態系変動の学際的研究-MR23–05 Leg1航海概要-
海と地球のシンポジウム2023, 01 Mar. 2024 - Fumikazu TAKEANI, Kazuhiko MATSUMOTO, Takashi SEKIYA, Kazuyo YAMAJI, Yugo KANAYA
Influence of Atmospheric Nitrogen Nutrient Dry and Wet Deposition on Surface Primary Productivity at the Subtropical Western North Pacific
AGU Ocean Sciences Meeting 2024, 22 Feb. 2024 - Phuc T. M. Ha, Yugo Kanaya, Kazuyo Yamaji, Takashi Sekiya, Maria Dolores Andrés Hernández, John Philip Burrows, Hans Schlager, Michael Lichtenstern, Mira Poehlker, Bruna Holanda, EMeRGe-Asia science team
Insights into China’s Black Carbon, CO, and CO₂ Emissions from Integrated Analysis of the Regional Air Quality Model (CMAQ) and EMeRGe-Asia Aircraft Observations during Early Spring 2018
AGU23 fall meeting, 15 Dec. 2023 - Takashi Sekiya, Kazuyuki Miyazaki, Henk Eskes, Kevin W Bowman, Kengo Sudo, Yugo Kanaya, Masayuki Takigawa
The worldwide COVID-19 lockdown impacts on global secondary inorganic aerosols and radiative budget
AGU Fall Meeting 2023, 11 Dec. 2023 - 関谷 高志, 羽島 知洋, 須藤 健悟, 金谷 有剛, 河宮 未知生
将来メタン変動予測における気候–生物化学過程フィードバックの影響評価
第28回大気科学討論会, 22 Nov. 2023 - 竹谷文一、松本和彦、関谷高志、山地一代、金谷有剛
西部北太平洋亜熱帯海域における大気栄養塩供給の海洋表層基礎生産への影響評価
第28回大気化学討論会、長崎, 20 Nov. 2023 - Ha Thi Minh Phuc, Kanaya Yugo, Yamaji Kazuyo, Sekiya Takashi, Andrés Hernández Maria Dolores, Burrows John Philip, Schlager Hans, Lichtenstern Michael, Poehlker Mira, Holanda Bruna, EMeRGe-Asia science team
An integrated analysis of the Regional Air Quality Model (CMAQ) and EMeRGe-Asia aircraft observations during early spring 2018 provides information on China's emissions of black carbon, CO, and CO2
第 28 回大気化学討論会2023 年 11 月 20 日〜11 月 22 日チトセピアホール(長崎県長崎市千歳町), 20 Nov. 2023 - 関谷 高志
全球対流圏オゾンに対するヨウ素過程の影響
日本地球化学会 第70回年会, 23 Sep. 2023, [Invited] - Tamaki FUJINAWA, Hyunkwang LIM, Yosuke YAMASHITA, Takashi SEKIYA, Tomohiro SATO, Ayano NAKAMURA , Takafumi SUGITA, Yasuko KASAI, Yugo KANAYA, Hiroshi TANIMOTO
Retrieval algorithm development for the GOSAT-GW tropospheric NO2 column densities
The 14th International GEMS workshop, Seogwipo, South Korea, 08 Sep. 2023 - 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
ECMWF Annual Seminar 2023, 04 Sep. 2023 - Phuc Thi Minh Ha, Yugo Kanaya, Kazuyo Yamaji, Syuichi Itahashi, Satoru Chatani, Hikari Shimadera, Takashi Sekiya, Maria Dolores Andrés Hernández, John Philip Burrows, Mira Poehlker, Bruna Holanda, Hans Schlager, Michael Lichtenstein, EMeRGe-Asia science team
Performance comparison of the Regional Air Quality model (CMAQ) with Comprehensive Air quality Model with eXtensions (CAMx) during the EMeRGe-Asia aircraft observations in spring 2018
CMAS-Asia-Pacific, Japan, July 19-21, 2023, 19 Jul. 2023 - Hisahiro Takashima, Yugo Kanaya, Saki Kato, Martina M. Friedrich, Michel Van Roozendael, Fumikazu Taketani, Takuma Miyakawa, Yuichi Komazaki, Carlos A. Cuevas, Alfonso Saiz-Lopez, Takashi Sekiya
Iodine monoxide (IO) variations by ship-borne MAX-DOAS in the global marine boundary layer
International DOAS workshop, Virginia Tech, 18 Jul. 2023 - Yugo Kanaya, Kazuyo Yamaji, Takeshi Kinase, Takuma Miyakawa, Fumikazu Taketani, Chunmao Zhu, Yongjoo Choi, Takashi Sekiya, Kohei Ikeda, Hiroshi Tanimoto, Daichi Yamada, Daiju Narira, Yutaka Kondo, Zbigniew Klimont, Yongwon Kim, Masayuki Takigawa
Improved estimation of black carbon emissions from East Asia in the context of long-range transport to the Arctic
5th PACES Open Science Meeting, Helsinki, 06 Jun. 2023 - 谷本 浩志、松永 恒雄、杉田 考史、八代 尚、森野 勇、齊藤 誠、大山 博史、猪俣 敏、池田 恒平、染谷 有、藤縄 環、吉田 幸生、山下 陽介、ミュラー アストリッド、マティアス フレイ、リム ヒョングアン、シュウ ハウ、佐伯 田鶴、三枝 信子、金谷 有剛、関谷 高志、パトラ プラビール、滝川 雅之、チョイ ヨンジュン、山口 将大、ビシュト ジャガット、笠井 康子、佐藤 知紘、中村 綾乃、トラン ゴック
GOSAT-GW衛星による温室効果ガス観測ミッション：概要と進捗
日本地球惑星科学連合2023年大会、千葉市, 26 May 2023, [Invited] - 関谷 高志、羽島 知洋、須藤 健悟、金谷 有剛、河宮 未知生
地球システムモデルMIROC-ES2L-CHEMを用いた大気中メタン消失量の将来予測
日本地球惑星科学連合2023年大会, 23 May 2023 - Phuc Thi Minh Ha, Yugo Kanaya, Kazuyo Yamaji, Takashi Sekiya, Maria Dolores Andrés Hernández, John Philip Burrows, Helmut Ziereis, Paul Stock, Hans Schlager, Michael Lichtenstern, Mira Poehlker, Bruna Holanda, EMeRGe-Asia science team
Performance evaluation of the Regional Air Quality Model CMAQ during the EMeRGe-Asia aircraft observations in spring 2018
JpGU Meeting 2023 (21 – 26 May), 22 May 2023 - Fumikazu TAKETANI, Kazuhiko MATSUMOTO, Takashi SEKIYA, Kazuyo YAMAJI, Yugo KANAYA
Impact of Atmospheric Nitrogen Nutrient Dry Deposition on Surface Primary Productivity over the subtropical western North Pacific
日本地球惑星科学連合2023年大会, 21 May 2023 - Hiroshi Tanimoto, Tsuneo Matsunaga, Takafumi Sugita, Hisashi Yashiro, Isamu Morino, Makoto Saito, Hirofumi Ohyama, Satoshi Inomata, Kohei Ikeda, Yu Someya, Tamaki Fujinawa, Yukio Yoshida, Yousuke Yamashita, Astrid Mueller, Matthias Frey, Hyunkwang Lim, Hao Xu, Tazu Saeki, Nobuko Saigusa, Yugo Kanaya, Takashi Sekiya, Prabir Patra, Masayuki Takigawa, Yongjoo Choi, MasahiroYamaguchi, Jagat Bisht, Yasuko Kasai, Tomohiro Sato, Ayano Nakamura, and Thi Ngoc Trieu Tran
Challenges for the GOSAT-GW satellite mission to better quantify anthropogenic emissions of greenhouse gases and air pollutants for climate policy
Acid Rain 2020 (Niigata, Japan), 18 Apr. 2023 - Yugo Kanaya, Prabir Patra, Masayuki Takigawa, Bisht Jagat, Masahiro Yamaguchi, Takashi Sekiya, Naveen Chandra, Takuma Miyakawa, Yoshiaki Endo, Yongjoo Choi
JAMSTEC's activities on GHG-AQ studies
NIES-Seoul National University meeting, online, 09 Feb. 2023 - 関谷高志, 金谷有剛, 高島久洋, 須藤健悟, 竹谷文一
ヨウ素化学の全球対流圏オゾンへの影響評価
第27回大気化学討論会, 18 Nov. 2022 - Takashi Sekiya, Kazuyuki Miyazaki, Henk Eskes, Kengo Sudo, Masayuki Takigawa, Yugo Kanaya
A comparison of the impact of TROPOMI and OMI tropospheric NO2 on global chemical data assimilation
Sentinel-5P 5 years anniversary conference, 10 Oct. 2022 - Yugo Kanaya, Takashi Sekiya, Hisahiro Takashima, Yoko Iwamoto, Kazuhiko Takeda, Fumikazu Taketani, Kaori Kawana, Atsushi Ooki
Tropospheric ozone depletion and iodine chemistry over the western Pacific low-latitude region: Project overview and model system development toward a global assessment
8th hybrid SOLAS Open Science Conference, 27 Sep. 2022 - Hisahiro Takashima, Yugo Kanaya, Saki Kato, Martina M. Friedrich, Michel Van Roozendael, Fumikazu Taketani, Takuma Miyakawa, Yuichi Komazaki, Carlos A. Cuevas, Alfonso Saiz-Lopez, Takashi Sekiya
Iodine monoxide (IO) variations in the global marine boundary layer
8th hybrid SOLAS Open Science Conference, 27 Sep. 2022 - Hisahiro Takashima, Yugo Kanaya, Saki Kato, Martina M. Friedrich, Michel Van Roozendael, Fumikazu Taketani, Takuma Miyakawa, Yuichi Komazaki, Carlos A. Cuevas, Alfonso Saiz-Lopez, Takashi Sekiya
Iodine monoxide (IO) variations in the global marine boundary layer
iCACGP-IGAC Joint International Atmospheric Chemistry Conference 2022, Manchester, 14 Sep. 2022 - Hiroshi Tanimoto, Tsuneo Matsunaga, Takafumi Sugita, Hisashi Yashiro, Isamu Morino, Makoto Saito, Hirofumi Ohyama, Satoshi Inomata, Kohei Ikeda, Yu Someya, Tamaki Fujinawa, Yukio Yoshida, Yousuke Yamashita, Astrid Mueller, Matthias Frey, Tazu Saeki, Nobuko Saigusa, Yugo Kanaya, Takashi Sekiya, Prabir Patra, Masayuki Takigawa, Yasuko Kasai,Tomohiro Sato
Challenges for the GOSAT-GW satellite mission to better quantify anthropogenic emissions of greenhouse gases and air pollutants for climate policy
iCACGP-IGAC Joint International Atmospheric Chemistry Conference 2022, Manchester, 14 Sep. 2022 - Takashi Sekiya, Kazuyuki Miyazaki, Henk Eskes, Kengo Sudo, Masayuki Takigawa, Yugo Kanaya
The global COVID-19 lockdown impacts on secondary inorganic aerosols
iCACGP-IGAC Joint Conference 2022, 11 Sep. 2022 - Hiroshi Tanimoto, Tsuneo Matsunaga, Takafumi Sugita, Hisashi Yashiro, Tamaki Fujinawa, Yu Someya, Yukio Yoshida, Isamu Morino, Hirofumi Ohyama, Astrid Muller, Matthias Frey, Satoshi Inomata, Hyunkwang Lim, Hao Xu, Yosuke Yamashita, Kohei Ikeda, Tazu Saeki, Makoto Saito, Nobuko Saigusa, Yugo Kanaya, Takashi Sekiya, Prabir Patra, Masayuki Takigawa, Yongjoo Choi, Masahiro Yamaguchi, Jagat Bisht, Yasko Kasai, Tomohiro Sato, Ayano Nakamura, Thi Ngoc Trieu Tran
The GOSAT-GW greenhouse gases observing mission: Updates
18th International Workshop on Greenhouse Gas Measurements from Space (IWGGMS18), Online, 12 Jul. 2022 - 関谷 高志、宮崎 和幸、Henk Eskes、須藤 健悟、滝川 雅之、金谷 有剛
二次エアロゾル生成に対するCOVID-19ロックダウンの全球規模影響
日本地球惑星科学連合2022年大会, 27 May 2022 - 笠井 康子,金谷 有剛,谷本 浩志,齋藤 尚子,江口 菜穂,佐藤 知紘,藤縄 環,Patra Prabir,関谷 高志,滝川 雅之,日本大気化学会大気環境衛星検討委員会
アジア静止軌道からのGHGs/SLCFs測定と排出量評価
日本地球惑星科学連合2022年大会、千葉市, 24 May 2022 - 松永 恒雄,谷本 浩志,杉田 考史,八代 尚,森野 勇,齊藤 誠,大山 博史,猪俣 敏,池田 恒平,染谷 有,藤縄 環,山下 陽介,Astrid Muller,Matthias Frey,佐伯 田鶴,三枝 信子,金谷 有剛,関谷 高志,Patra Prabir,滝川 雅之,笠井 康子,佐藤 知紘
Scientific Targets and Policy Contributions Expected from the Observation of Greenhouse Gases and Air Pollutants by GOSAT-GW
日本地球惑星科学連合2022年大会、千葉市, 23 May 2022 - 関谷 高志
全球50 km解像度の大気化学データ同化システムの開発とその応用
第12回データ同化ワークショップ, 17 Feb. 2022 - 谷本浩志, 松永恒雄, 三枝信子, 杉田考史, 八代尚, 森野勇, 齊藤誠, 大山博史, 池田恒平, 染谷有, 藤縄環, Mueller Astrid, 山下陽介, 佐伯田鶴, 金谷有剛, 関谷高志, 滝川雅之, Prabir Patra, 笠井康子, 佐藤知紘
GOSAT-GW衛星による温室効果ガス及び大気汚染物質の観測
第26回大気化学討論会、オンライン, 11 Nov. 2021 - 関谷 高志、宮崎 和幸、Henk Eskes、須藤 健悟、滝川 雅之、金谷 有剛
新型コロナウィルス蔓延期間における全球NOX・SO2排出量減少が二次生成無機エアロゾル分布に与えた影響
第26回大気化学討論会, 11 Nov. 2021 - Jagat S. H. Bisht, Prabir K. Patra, Masayuki Takigawa, Takashi Sekiya, Yugo Kanaya, and Naoko Saito
CH4 surface flux estimation using local ensemble transform Kalman filter
26th JpSAC Annual Meeting 2021, 09 Nov. 2021 - 金谷有剛、須藤健悟、Prabir Patra、坂本陽介、関谷高志、藤縄環、谷本浩志、江口菜穂、齋藤尚子、笠井康子、出牛真、佐藤知紘
大気化学研究の将来構想検討：大気汚染物質群の排出・化学過程・濃度のリンクとSLCFs気候・健康影響解明
第26回大気化学討論会、オンライン, 09 Nov. 2021 - Yugo Kanaya, Kazuyuki Miyazaki, Takashi Sekiya, Kazuyo Yamaji, Fumikazu Taketani, Takuma Miyakawa, Yongjoo Choi, Chunmao Zhu, Masayuki Takigawa, Masahiro Yamaguchi, Jagat Bisht, Prabir Patra, Hiroshi Tanimoto
SLCF's emissions tracker: from field observations to data assimilation/inversions assisting inventory methodology development and efficient emission reduction
UNFCCC COP26, Earth Information Day 2021 (Online), 03 Nov. 2021 - F. Taketani, M. N. Aita, T. Sekiya, K. Yamaji, K. Ikeda, K. Matsumoto, M. C. Honda, K. Sasaoka, Y. Kanaya
Impact Assessment of Deposition of Atmospheric Nitrogen Compounds to the Surface Chlorophyll-a Concentration over Northwestern Pacific Ocean
PICES 2021 virtual Annual meeting, 26 Oct. 2021 - Yugo Kanaya, Kazuyuki Miyazaki, Fumikazu Taketani, Takuma Miyakawa, Hisahiro Takashima, Xiaole Pan, Saki Kato, Kengo Sudo, Takashi Sekiya, Jun Inoue, Kazutoshi Sato, Kazuhiro Oshima
Ozone Observations over Open Oceans on R/V Mirai from 67S to 75N since 2012: Testing Global Chemical Reanalysis TCR-2 in terms of Arctic Processes and Low Ozone Levels at Low Latitudes
Quadrennial Ozone Symposium 2021, Online, 08 Oct. 2021 - 金谷有剛、笠井康子、谷本浩志、齋藤尚子、江口菜穂、佐藤知紘、藤縄環、Prabir Patra、関谷高志、滝川雅之、眞木貴史、出牛真、今須良一
脱炭素・脱大気汚染を導くアジア静止軌道からの大気組成・排出総合計測診断
衛星地球観測ワークショップ、オンライン, 28 Sep. 2021 - Yugo Kanaya, Kazuyuki Miyazaki, Fumikazu Taketani, Takuma Miyakawa, Hisahiro Takashima, Xiaole Pan, Saki Kato, Kengo Sudo, Takashi Sekiya, Jun Inoue, Kazutoshi Sato, Kazuhiro Oshima
Ozone and CO observations over open oceans on R/V Mirai from 67S to 75N during 2012-17: Testing global chemical reanalysis TCR-2 in terms of Arctic processes and low ozone levels at low latitudes
16th IGAC Science Conference, online, 17 Sep. 2021 - Kazuyo Yamaji, Katsuhiro Kawamoto, Moe Tauchi, Yoko Iwamoto, Fumikazu Taketani, Masayuki Takigawa, Prabir K. Patra, Kazuhiko Matsumoto, Makio Honda, Yugo Kanaya, Takashi Sekiya, Maki Noguchi Aita, Tomoki Nakayama, Satoru Chatani, Yutaka Matsumi, Surendra K. Dhaka, Mizuo Kajino, Sachiko Hayashida
Modeling analysis of the atmospheric aerosol concentrations and depositions by ship-onboard observations over the Eastern Indian Ocean
16th IGAC Scientific Conference, online, 13 Sep. 2021 - Hiroshi Tanimoto, Tsuneo Matsunaga, Nobuko Saigusa, Takafumi Sugita, Hisashi Yashiro, Isamu Morino, Makoto Saito, Hirofumi Ohyama, Satoshi Inomata, Kohei Ikeda, Yu Someya, Tamaki Fujinawa, Astrid Mueller, Yosuke Yamashita, Tazu Saeki, Yugo Kanaya, Takashi Sekiya, Prabir Patra, Masayuki Takigawa, Yasuko Kasai, Tomohiro Sato
Observing anthropogenic emissions of greenhouse gases and air pollutants with the GOSAT-GW satellite: Scientific targets and policy contributions
16th IGAC Scientific Conference, online, 13 Sep. 2021 - Takashi Sekiya, Kazuyuki Miyazaki, Henk Eskes, Folkert Boersma, Kengo Sudo, Masayuki Takigawa, Yugo Kanaya, Koji Ogochi
A comparison of the impact of TROPOMI and OMI tropospheric NO2 on global chemical data assimilation and emission inversion
IGAC 2021 Virtual Conference, 13 Sep. 2021 - 岩本洋子、竹谷文一、松本和彦、本多牧生、金谷有剛、野口真希、関谷高志、川本雄大、山地一代
東部インド洋への窒素沈着フラックスの推定と基礎生産への影響評価
第38回エアロゾル科学・技術研究討論会, 27 Aug. 2021 - Jagat S. H. Bisht, Prabir K. Patra, Masayuki Takigawa, Takashi Sekiya, Yugo Kanaya, Naoko Saitoh
Estimation of CH4 emissions based on LETKF data assimilation technique
International Workshop on Greenhouse Gas Measurement form Space (IWGGMS-17), 14 Jun. 2021 - Takashi Sekiya, Kazuyuki Miyazaki, Henk Eskes, Folkert Boersma, Kengo Sudo, Masayuki Takigawa, Yugo Kanaya, Koji Ogochi
Impacts of Horizontal Resolution on Global Data Assimilation of Satellite Measurements
The 17th Meeting of the CEOS Atmospheric Composition Virtual Constellation, 09 Jun. 2021 - 金谷 有剛、笠井 康子、谷本 浩志、齋藤 尚子、江口 菜穂、佐藤 知紘、藤縄 環、Patra Prabir、関谷 高志、滝川 雅之
脱炭素・脱大気汚染を導くアジア静止軌道からの大気組成・排出総合計測診断
日本地球惑星科学連合2021年大会、オンライン, 04 Jun. 2021 - 谷本 浩志, 松永 恒雄, 三枝 信子, 杉田 考史, 八代 尚, 森野 勇, 齊藤 誠, 大山 博史, 池田 恒平, 染谷 有, 藤縄 環, 山下 陽介, 佐伯 田鶴, 金谷 有剛, 関谷 高志, 笠井 康子, 佐藤 知紘
GOSAT-GW衛星による温室効果ガス及び大気汚染物質の排出観測：科学目標と政策貢献
日本地球惑星科学連合2021年大会、オンライン, 03 Jun. 2021 - Jagat S. H. Bisht, Prabir K. Patra, Masayuki Takigawa, Takashi Sekiya, Yugo Kanaya, and Naoko Saito
CH4 surface flux estimation based on local ensemble transform Kalman filter
Japan Geoscience Union Meeting 2021, 30 May 2021 - Takashi Sekiya, Kazuyuki Miyazaki, Henk Eskes, Folkert Boersma, Kengo Sudo, Masayuki Takigawa, Yugo Kanaya, Koji Ogochi
Advances in global NOx emission estimates using assimilation of TROPOMI NO2 data
AGU Fall Meeting 2020, 08 Dec. 2020 - 岩本洋子, 川本雄大, 竹谷文一, 松本和彦, 本多牧生, Eko Siswanto, 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
2020年度日本海洋学会秋季大会, 28 Nov. 2020 - 関谷高志, 宮崎和幸, Henk Eskes, Folkert Boersma, 須藤健悟, 滝川雅之, 金谷有剛, 大越智幸司
TROPOMI NO2衛星観測データ同化を用いた 全球NOx排出量の推定
第25回大気化学討論会2020, 12 Nov. 2020 - 金谷有剛、Prabir Patra、関谷高志、谷本浩志、笠井康子
アジア大気組成観測静止衛星：第二幕を見据えて
日本気象学会 2020年度秋季大会、オンライン, 30 Oct. 2020 - Takashi Sekiya, Yugo Kanaya, Kengo Sudo, Fumikazu Taketani, Maki Noguchi, Akitomo Yamamoto, Yoko Iwamoto, Katsuhiro Kawamoto
Impacts of tropospheric bromine and iodine on global tropospheric ozone: a modeling study using CHASER
JpGU-AGU Joint Meeting 2020, 16 Jul. 2020 - Yugo Kanaya, Hisahiro Takashima, Takashi Sekiya, Kazuyuki Miyazaki, Henk Eskes, Gaia Pinardi, Daniel Santana Diaz, Moritz Müller, Alexander Cede, Hiroshi Tanimoto
Causes of low bias in TROPOMI satellite observations of tropospheric NO2 column densities as explored with co-located MAX-DOAS and Pandora spectrometers at Yokosuka, Japan
9th International DOAS Workshop, online, 13 Jul. 2020 - Y. Iwamoto, K. Kawamoto, K. Matsumoto, M. C. Honda, Y. Kanaya, T. Sekiya, Maki Noguchi, K. Yamaji, F. Taketani,
Atmospheric nitrogen deposition to the eastern Indian ocean and its implication for primary production
JpGU-AGU Joint Meeting 2020：Virtual, 13 Jul. 2020 - 山地一代、川本雄大、田内萌絵、岩本洋子、松本和彦、本多牧生、金谷有剛、関谷高志、相田真希、中山智喜、茶谷聡、竹谷文一
Model analysis of atmospheric concentrations and depositions on the Eastern Indian Ocean by observed by R/V Hakuho Maru
JpGU-AGU Joint Meeting 2020, 13 Jul. 2020 - 岩本洋子、川本雄大、松本和彦、本多牧生、金谷有剛、関谷高志、相田真希、山地一代、竹谷文一
Atmospheric nitrogen deposition to the eastern Indian ocean and its implication for primary production
JpGU-AGU Joint Meeting 2020, 13 Jul. 2020 - Takashi Sekiya, Kazuyuki Miyazaki, Henk Eskes, Folkert Boersma, Koji Ogochi, Kengo Sudo, Masayuki Takigawa
Global top-down NOx emissions derived from TROPOMI NO2 data assimilation at 0.56-degree resolution
GEIA Web Conference, 23 Jun. 2020 - Takashi Sekiya, Maki Noguchi Aita, Akitomo Yamamoto, Fumikazu Taketani, Yoko Iwamoto, Katsuhiro Kawamoto, Kengo Sudo, Yugo Kanaya
Effects of air-sea exchange of reactive gases on global atmospheric chemistry system
Ocean Sciences Meeting 2020, 20 Feb. 2020 - Taketani F., M.N. Aita, K. Yamaji, T. Sekiya, K. Ikeda, K. Sasaoka, M.C. Honda, K. Matsumoto and Y. Kanaya
Potentials of Deposition of Atmospheric Inorganic Nitrogen Compounds to the Surface Marine Ecosystem at Sea of Japan
2020 Ocean Sciences Meeting, San Diego, CA, U.S.A., 20 Feb. 2020 - Iwamoto Y., K. Kawamoto, F. Taketani, Y. Kanaya, T. Sekiya, M.N. Aita and K. Yamaji
Atmospheric Nitrogen Deposition to the Eastern Indian Ocean during Boreal Autumn
2020 Ocean Sciences Meeting, San Diego、U.S.A., 20 Feb. 2020 - Yugo Kanaya, Hisahiro Takashima, Saki Kato, Kazuyuki Miyazaki, Fumikazu Taketani, Takuma Miyakawa, Kengo Sudo, Takashi Sekiya
Substantially low ozone mixing ratios over the Pacific Ocean and implications from iodine chemistry
Workshop on Atmospheric deposition of aerosols and their effects on biogeochemical cycles and climate, Nagoya, 23 Dec. 2019 - Yugo Kanaya, Hisahiro Takashima, Takashi Sekiya, Kazuyuki Miyazaki, Henk Eskes, Gaia Pinardi, Daniel Santana Diaz, Moritz Mueller, Alexander Cede
Advanced validation of TROPOMI satellite observations of NO2 column densities using co-located direct and scattered sunlight measuring spectrometers (Pandora and MAX-DOAS) at Yokosuka, Japan
AGU fall meeting 2019, San Francisco, 12 Dec. 2019 - Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa, Henk Eskes, Folkert Boersma
Global data assimilation of multi-constituent satellite measurements at 0.56-degree resolution for tropospheric chemistry analysis on a megacity scale
The 10th GEMS Science Team Meeting, 21 Nov. 2019 - Yugo Kanaya, Hisahiro Takashima, Takashi Sekiya, Kazuyuki Miyazaki, Henk Eskes, Gaia Pinardi, Daniel Santana Diaz, Moritz Mueller, Alexander Cede, Michel van Roozendael
Causes of discrepancies between ground-based and TROPOMI NO2 column densities explored with co-located direct and scattered sunlight measuring spectrometers (Pandora and MAX-DOAS) at Yokosuka, Japan
The 10th International GEMS Workshop, Seoul, 21 Nov. 2019 - 川本雄大、田内萌絵、山地一代、岩本洋子、 竹谷文一、 金谷有剛、関谷高志、 野口真希、 中山智喜
乾季の東部インド洋における大気汚染物質の変動
第24回大気化学討論会(2019): JpSAC Annual Meeting 2019, 05 Nov. 2019 - 岩本洋子、川本雄大、竹谷文一、金谷有剛、野口真希、関谷高志、山地一代
北半球秋季の東部インド洋における無機態窒素の大気沈着フラックス
2019年度日本地球化学会年会、東京大学・本郷キャンパス, 17 Sep. 2019 - Prabir Patra, Masayuki Takigawa, Yousuke Yamashita, Takashi Sekiya, Ray Weiss, Ronald Prinn
What can we learn from offline-chemistry simulation of CH3CCl3 using CCMI model OH
Science Workshop of the Chemistry Climate Model Initiative (CCMI), 08 Aug. 2019 - Yugo Kanaya, Hisahiro Takashima, Takashi Sekiya, Kazuyuki Miyazaki, Henk Eskes, Gaia Pinardi, Daniel Santana Diaz, Moritz Mueller, A. Cede
Validation of TROPOMI NO2 using co-located MAX-DOAS/Pandora spectrometers at Yokosuka, Japan
CEOS Atmospheric Composition Virtual Constellation AC-VC-15, Tokyo, 11 Jun. 2019 - Takashi Sekiya, Kazuyuki Miyazaki, Henk Eskes, Folkert Boersma, Koji Ogochi, Kengo Sudo, Masayuki Takigawa
A high-resolution global data assimilation of multi-sensor satellite measurements including TROPOMI NO2 data
The 15th Meeting of the Atmospheric Composition Virtual Constellation, 10 Jun. 2019 - 関谷 高志,宮崎 和幸,Henk Eskes, Folkert Boersma, 大越智 幸司, 須藤健悟, 滝川雅之
メガシティ規模の大気汚染解析に向けたTROPOMI NO2データを含む複数衛星観測の全球高解像度データ同化
日本地球惑星科学連合2019年大会, 30 May 2019 - 金谷 有剛, 高島 久洋, 野津 雅人, 関谷 高志, 宮崎 和幸, Eskes Henk, Pinardi Gaia, Santana Diaz Daniel, Müller Moritz, Cede Alexander
横須賀における Pandora型太陽直達光分光器による大気 NO2カラム濃度決定：TROPOMI衛星観測検証の高度化
日本地球惑星科学連合2019年大会、千葉市, 30 May 2019 - Fumikazu Taketani, Maki A. Noguchi, Kazuyo Yamaji, Takashi Sekiya, Kohei Ikeda, Taketo Hashioka, Makio C. Honda, Kazuhiko Matsumoto, Yugo Kanaya
Influence of Deposition of Atmospheric Inorganic Nitrogen Compounds to Marine Ecosystem at Bay of Bengal
日本地球惑星科学連合2019年大会, 29 May 2019 - Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa, Henk Eskes, Folkert Boersma
Global surface NOx emission estimation with a resolution of 0.56° derived from multi-constituent satellite data assimilation
EGU General Assembly 2019, 09 Apr. 2019 - Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa, Henk Eskes, Folkert Boersma
A 0.56°-resolution global data assimilation of multi-species satellite measurements for atmospheric composition study
The 1st R-CSS International Symposium, 18 Feb. 2019 - 野口真希、渡辺路生、羽島知洋、山本彬友、山崎大、竹谷文一、関谷高志、山地一代、橋岡豪人、原田尚美
海洋低次生態系モデルを使った大気窒素沈着による海洋一次生産へのインパクト
日本エアロゾル学会「海洋大気エアロゾル研究会」大気-海洋境界層における大気物質の役割 -現場観測の視点から-東京理科大学、東京, 23 Jan. 2019 - Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa, Henk Eskes, Folkert Boersma
A 0.56°-resolution Global Data Assimilation of Multi-constituent Satellite Measurements for Tropospheric Chemistry Analysis
2018 AGU Fall Meeting, 10 Dec. 2018 - Maki Noguchi, Fumikazu Taketani, Takashi Sekiya, Kazuyo Yamaji, Taketo Hashioka, Michio Watanabe, Tomohiro Hajima, Naomi Harada
Modelling impacts of atmospheric and riverine nitrogen inputs on marine biogeochemistry
2nd International Symposium “Ocean Mixing Processes: Impact on Biogeochemistry, Climate and Ecosystem”, 04 Nov. 2018 - 金谷有剛、竹谷文一、宮川拓真、高島久洋、加藤咲、本多牧生、松本和彦、笹岡晃征、宮崎和幸、相田真希、伊藤彰記、関谷高志、山地一代、池田恒平、滝川雅之、山口将大、朱春茂、川名華織、當房豊
「みらい」での海洋大気組成観測：オゾン未知過程と蛍光性バイオエアロゾルの解析
「寒冷圏大気—海洋間の生物地球化学的相互作用に関する研究集会」、札幌市, 02 Nov. 2018 - Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa, Henk Eskes, and Folkert Boersma
A 0.56°-resolution global data assimilation of multi-constituent satellite measurements for use in tropospheric chemistry studies
2018 joint 14th iCACGP Quadrennial Symposium and 15th IGAC Science Conference, 28 Sep. 2018 - Yugo Kanaya, Takuma Miyakawa, Chunmao Zhu, Fumikazu Taketani, Masayuki Takigawa, Kazuyuki Miyazaki, Takashi Sekiya, Kengo Sudo, Maria Dolores Andres Hernandez, John P. Burrows
Regional air pollution reaching Fukue Island, western Japan: Highlights during EMeRGe-Asia/ KORUS-AQ and long-term variations during 2009-2018
2018 joint 14th iCACGP Quadrennial Symposium/15th IGAC Science Conference, Takamatsu, Japan, 26 Sep. 2018 - Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa
Global High-Resolution Simulations of Tropospheric Nitrogen Dioxide Using CHASER V4.0 and its application to data assimilation
AOGS 15th Annual Meeting, 08 Jun. 2018 - Kazuyuki MIYAZAKI, Takashi SEKIYA, Dejian FU, Kevin BOWMAN, Susan KULAWIK, Kengo SUDO, Yugo KANAYA, Masayuki TAKIGAWA, Koji OGOCHI, Henk ESKES, Benjamin GAUBERT, Jerome BARRE, Thomas WALKER, Louisa EMMONS
Application of multiple-species satellite data assimilation for KORUS-AQ and air quality monitoring over East Asia
AOGS 15th Annual Meeting, 07 Jun. 2018 - 関谷 高志、宮崎 和幸、大越智 幸司、須藤 健悟、滝川 雅之
A 0.56°-resolution global data assimilation of multi-chemical constituent satellite measurements
日本地球惑星科学連合２０１８年大会, 24 May 2018 - 関谷 高志、須藤 健悟、滝川 雅之
Global microphysical simulations of stratospheric sulfate aerosols after explosive volcanic eruptions
日本地球惑星科学連合２０１８年大会, 23 May 2018 - Fumikazu Taketani, Maki A. Noguchi, Kazuyo Yamaji, Takashi Sekiya, Kohei Ikeda, Kosei Sasaoka, Taketo Hashioka, Makio C. Honda, Kazuhiko Matsumoto, and Yugo Kanaya
西部北太平洋域での東アジア由来大気窒素化合物沈着による海洋低次生態系への寄与
JpGU2018, 22 May 2018 - Fumikazu Taketani, Maki A. Noguchi, Kazuyo Yamaji, Takashi Sekiya, Kohei Ikeda, Kosei Sasaoka, Makio C. Honda, Kazuhiko Matsumoto, and Yugo Kanaya
Response of Marine Ecosystem at North Western Pacific Ocean by Deposition of Atmospheric Inorganic Nitrogen Compounds Produced at East Asia
2018 Ocean Sciences Meeting, 14 Feb. 2018 - Maki Noguchi, Michio Watanabe, Tomohiro Hajima, Dai Yamazaki, Fumikazu Taketani, Takashi Sekiya, Kazuyo Yamaji, Taketo Hashioka, Naomi Harada
Modelling impacts of riverine and atmospheric nitrogen inputs on marine biogeochemistr
2018 Ocean Sciences Meeting, Portland, Oregon, U.S.A., 14 Feb. 2018 - Miyazaki K., T. Sekiya, D. Fu, K. W. Bowman, T. Walker, S. S. Kulawik, K. Sudo, Y. Kanaya, M. Takigawa, K. Ogochi, B. Gaubert, J. Barre, L. Emmons
Application of multi-constituent satellite data assimilation for KORUS-AQ
AGU FALL MEETING 2017, 11 Dec. 2017 - Miyazaki K., T. Sekiya, H. Eskes, F. Boersma, D. Fu, K. Bowman, Susan S. Kulawik, T. Walker, K. Sudo, Y. Kanaya, M. Takigawa, K. Ogochi, B. Gaubert, J. Barre, L. Emmons
A tropospheric chemistry reanalysis based on multi-constituent satellite data assimilation and its application for KORUS-AQ
2017 annual conference of Korean Society for Atmospheric Environment, 10 Nov. 2017, [Invited] - 金谷有剛, 宮崎和幸, 関谷高志, 須藤健悟, 竹谷文一, 宮川拓真, 定永靖宗,入江仁士, 高島久洋
KORUS-AQ期間の福江MAX-DOAS観測：地上・航空機・衛星観測・モデルとのNO2統合解析
第23回大気化学討論会、高松市, 02 Oct. 2017 - Miyazaki K., H. Eskes, F. Boersma, K. Bowman, Y. Kanaya, T. Sekiya
Decadal changes in global surface NOx emissions from multi-constituent satellite data assimilation
18th GEIA Conference, 14 Sep. 2017 - Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa
High-resolution global surface NOx emissions from multi-constituent satellite data assimilation
18th GEIA Conference, 13 Sep. 2017 - Prabir Patra, David Crisp, Johannes Kaiser, Debra Wunch, Tazu Saeki, Kazuhito Ichii, Takashi Sekiya, Paul Wennberg, Dietrich Feist, David Pollard, David Griffith, Voltaire Velazco, M. De Maziere, Mahesh Sha, Coleen Roehl, Abhishek Chatterjee, Kentaro Ishijima
Anomalies in terrestrial carbon fluxes as derived from the Orbiting Carbon Observatory (OCO-2) in near-real time
10th International Carbon Dioxide Conference www.icdc10.unibe.ch, 21 Aug. 2017 - Miyazaki K., T. Sekiya, D. Fu, K. W. Bowman, S. S. Kulawik, K. Sudo, Y. Kanaya, M. Takigawa, K. Ogochi, B. Gaubert, J. Barre, L. Emmons, KORUS-AQ team
Application of multiple-species satellite data assimilation for KORUS-AQ and air quality monitoring over East Asia
AOGS 14th Annual Meeting, 12 Aug. 2017 - Yugo Kanaya, Takashi Sekiya, Kazuyuki Miyazaki, Kengo Sudo, Yasuhiro Sadanaga, Fumikazu Taketani, Takuma Miyakawa, Yuichi Komazaki, Hitoshi Irie, Hisahiro Takashima
MAX-DOAS observations at Fukue Island, western Japan, during KORUS-AQ period: synergistic analysis using ground observations, flight data, and model simulations
AOGS 14th Annual Meeting, Singapore, 10 Aug. 2017 - Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa
A high-resolution global chemical data assimilation of multiple satellite measurements from OMI, GOME-2, MOPITT, and MLS during KORUS-AQ aircraft campaign
AOGS 14th Annual Meeting, 08 Aug. 2017 - Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa
Global high-resolution simulations of tropospheric nitrogen dioxide using CHASER
CCMI science workshop 2017, 13 Jun. 2017 - 関谷 高志、宮崎 和幸、大越智 幸司、須藤 健悟、滝川 雅之
全球化学輸送モデル CHASER による高分解能対流圏 NO2 シミュレーション
日本気象学会2017年度春季大会, 26 May 2017 - 竹谷文一・野口真希 ・池田恒平 ・山地一代 ・関谷高志 ・笹岡晃征 ・松本和彦 ・本多牧生 ・金谷有剛
西部北太平洋域での大気窒素化合物沈着による海洋低次生態系への寄与評価
JｐGU2017, 25 May 2017 - Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa
A high-resolution global atmospheric composition data assimilation of multiple satellite measurements during NASA’s KORUS-AQ aircraft campaign
JpGU-AGU Joint Meeting 2017, 20 May 2017, [Invited] - Miyazaki K., H. Eskes, K. Sudo, K. W. Bowman, F. Boersma, D. Fu, S. S. Kulawik, E. Wong, T. Sekiya
A tropospheric chemistry reanalysis based on an assimilation of the A-Train's multi-sensor system
3rd International A-Train Symposium, 21 Apr. 2017 - Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa
A high-resolution global chemical data assimilation of multiple satellite measurements from the A-Train during KORUS-AQ
A-Train Symposium 2017, 19 Apr. 2017 - Kazuyuki Miyazaki, Dejian Fu, Kevin Bowman, Susan Kulawik, Takashi Sekiya, Yugo Kanaya, Kengo Sudo, Helen Worden, Benjamin Gaubert, Jerome Barre, Louisa Emmons
Air quality monitoring over East Asia based on multiple-species satellite data assimilation
The 1st KORUS-AQ Science Team Meeting, Jeju, 27 Feb. 2017 - 関谷 高志、須藤 健悟
対流圏オゾンの全球モデリングにおける水平格子解像度の影響
日本気象学会2016年秋季大会, 28 Oct. 2016 - 関谷 高志, 宮崎 和幸, 滝川 雅之
全球化学輸送モデルにおける対流圏窒素酸化物（NOx）分布の水平解像度依存性
第22回大気化学討論会, 14 Oct. 2016 - 関谷 高志、樫村 博基、渡邉 真吾、須藤 健悟
成層圏SO2注入によるジオエンジニアリングの成層圏エアロゾル・大気循環への影響
日本地球惑星科学連合2016年大会, 23 May 2016 - 樫村 博基, 関谷 高志, 阿部 学, 渡辺 真吾
成層圏SO2注入による気候工学の強制とフィードバック：GeoMIP G4実験の解析
日本地球惑星科学連合2016年大会, 23 May 2016
