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ResearcherID: O-4718-2018
Scopus Author ID: 10045280300
Scopus Author ID: 57216134656

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Meteorological Research Institute / Japan Meteorological Agency: Tsukuba, JP

2000-04-01 to present
Employment
Source: Self-asserted source
Thomas SEKIYAMA

Works (41)

Surrogate Downscaling of Mesoscale Wind Fields Using Ensemble Superresolution Convolutional Neural Networks

Artificial Intelligence for the Earth Systems
2023-07 | Journal article
DOI: 10.1175/AIES-D-23-0007.1
Contributors: Tsuyoshi Thomas Sekiyama; Syugo Hayashi; Ryo Kaneko; Ken-ichi Fukui
Source: check_circle
Crossref

Improvement in Dust Storm Simulation by Considering Stone Coverage Effects for Stony Deserts in East Asia

Journal of Geophysical Research: Atmospheres
2023-01-27 | Journal article
DOI: 10.1029/2022JD037295
Contributors: T. T. Sekiyama; Y. Kurosaki; M. Kajino; M. Ishizuka; B. Buyantogtokh; J. Wu; T. Maki
Source: check_circle
Crossref

Deposition and Dispersion of Radio-Cesium Released due to the Fukushima Nuclear Accident: 2. Sensitivity to Aerosol Microphysical Properties of Cs-Bearing Microparticles (CsMPs)

Journal of Geophysical Research: Atmospheres
2021 | Journal article
DOI: 10.1029/2020JD033460
EID:

2-s2.0-85099533551

Part of ISSN: 21698996 2169897X
Contributors: Kajino, M.; Adachi, K.; Igarashi, Y.; Satou, Y.; Sawada, M.; Thomas Sekiyama, T.; Zaizen, Y.; Saya, A.; Tsuruta, H.; Moriguchi, Y.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier
grade
Preferred source (of 2)‎

Ensemble Dispersion Simulation of a Point-Source Radioactive Aerosol Using Perturbed Meteorological Fields over Eastern Japan

Atmosphere
2021-05 | Journal article | Author
DOI: 10.3390/atmos12060662
Contributors: Thomas SEKIYAMA; Mizuo Kajino; Masaru Kunii
Source: check_circle
Multidisciplinary Digital Publishing Institute
grade
Preferred source (of 2)‎

Application of linear minimum variance estimation to the multi-model ensemble of atmospheric radioactive Cs-137 with observations

Atmospheric Chemistry and Physics
2020 | Journal article
DOI: 10.5194/acp-20-3589-2020
EID:

2-s2.0-85082566810

Part of ISSN: 16807324 16807316
Contributors: Goto, D.; Morino, Y.; Ohara, T.; Thomas Sekiyama, T.; Uchida, J.; Nakajima, T.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

A model intercomparison of atmospheric 137Cs concentrations from the Fukushima Daiichi Nuclear Power Plant accident, phase III: Simulation with an identical source term and meteorological field at 1-km resolution

Atmospheric Environment: X
2020-10 | Journal article
DOI: 10.1016/j.aeaoa.2020.100086
Contributors: Yousuke Sato; Tsuyoshi Thomas Sekiyama; Sheng Fang; Mizuo Kajino; Arnaud Quérel; Denis Quélo; Hiroaki Kondo; Hiroaki Terada; Masanao Kadowaki; Masayuki Takigawa et al.
Source: check_circle
Crossref

Reproducibility of surface wind and tracer transport simulations over complex terrain using 5, 3, and 1 km grid models

2020-01-26 | Preprint
DOI: 10.1002/essoar.10501742.1
Contributors: Thomas SEKIYAMA; Mizuo Kajino
Source: check_circle
Crossref

Detectability assessment of a satellite sensor for lower tropospheric ozone responses to its precursors emission changes in East Asian summer

Scientific Reports
2019-12-23 | Journal article
DOI: 10.1038/s41598-019-55759-7
Contributors: Mizuo Kajino; Sachiko Hayashida; Tsuyoshi Thomas Sekiyama; Makoto Deushi; Kazuki Ito; Xiong Liu
Source: check_circle
Crossref

Intercomparison of numerical atmospheric dispersion prediction models for emergency response to emissions of radionuclides with limited source information in the Fukushima Dai-ichi nuclear power plant accident

Atmospheric Environment
2019-10 | Journal article
DOI: 10.1016/j.atmosenv.2019.116830
Contributors: Toshiki Iwasaki; Tsuyoshi Thomas Sekiyama; Teruyuki Nakajima; Akira Watanabe; Yasushi Suzuki; Hiroaki Kondo; Yu Morino; Hiroaki Terada; Haruyasu Nagai; Masayuki Takigawa et al.
Source: check_circle
Crossref

Deposition and Dispersion of Radio‐Cesium Released Due to the Fukushima Nuclear Accident: Sensitivity to Meteorological Models and Physical Modules

Journal of Geophysical Research: Atmospheres
2019-02-16 | Journal article
DOI: 10.1029/2018JD028998
Contributors: Mizuo Kajino; Tsuyoshi Thomas Sekiyama; Yasuhito Igarashi; Genki Katata; Morihiro Sawada; Kouji Adachi; Yuji Zaizen; Haruo Tsuruta; Teruyuki Nakajima
Source: check_circle
Crossref

Atmospheric Modeling of<sup>137</sup>Cs Plumes From the Fukushima Daiichi Nuclear Power Plant—Evaluation of the Model Intercomparison Data of the Science Council of Japan

Journal of Geophysical Research: Atmospheres
2018 | Journal article
DOI: 10.1029/2017JD028230
EID:

2-s2.0-85051056869
Contributors: Kitayama, K.; Morino, Y.; Takigawa, M.; Nakajima, T.; Hayami, H.; Nagai, H.; Terada, H.; Saito, K.; Shimbori, T.; Kajino, M. et al.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Fukushima Daiichi–derived radionuclides in the atmosphere, transport and deposition in Japan: A review

Applied Geochemistry
2018 | Journal article
DOI: 10.1016/j.apgeochem.2018.01.002
EID:

2-s2.0-85041728506
Contributors: Mathieu, A.; Kajino, M.; Korsakissok, I.; Périllat, R.; Quélo, D.; Quérel, A.; Saunier, O.; Sekiyama, T.T.; Igarashi, Y.; Didier, D.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Lessons learned from atmospheric modeling studies after the Fukushima nuclear accident: Ensemble simulations, data assimilation, elemental process modeling, and inverse modeling

Geochemical Journal
2018 | Journal article
DOI: 10.2343/geochemj.2.0503
EID:

2-s2.0-85047509295
Contributors: Kajino, M.; Sekiyama, T.T.; Mathieu, A.; Korsakissok, I.; Périllat, R.; Quélo, D.; Quérel, A.; Saunier, O.; Adachi, K.; Girard, S. et al.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Prediction of health effects of cross-border atmospheric pollutants using an aerosol forecast model

Environment International
2018 | Journal article
DOI: 10.1016/j.envint.2018.04.035
EID:

2-s2.0-85046170955
Contributors: Onishi, K.; Sekiyama, T.T.; Nojima, M.; Kurosaki, Y.; Fujitani, Y.; Otani, S.; Maki, T.; Shinoda, M.; Kurozawa, Y.; Yamagata, Z.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Seasonality of the lower tropospheric ozone over China observed by the Ozone Monitoring Instrument

Atmospheric Environment
2018 | Journal article
DOI: 10.1016/j.atmosenv.2018.04.014
EID:

2-s2.0-85046166787
Contributors: Hayashida, S.; Kajino, M.; Deushi, M.; Sekiyama, T.T.; Liu, X.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Status and future of numerical atmospheric aerosol prediction with a focus on data requirements

Atmospheric Chemistry and Physics
2018 | Journal article
DOI: 10.5194/acp-18-10615-2018
EID:

2-s2.0-85050672412
Contributors: Benedetti, A.; Reid, J.S.; Knippertz, P.; Marsham, J.H.; Di Giuseppe, F.; Rémy, S.; Basart, S.; Boucher, O.; Brooks, I.M.; Menut, L. et al.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Model Intercomparison of Atmospheric 137Cs From the Fukushima Daiichi Nuclear Power Plant Accident: Simulations Based on Identical Input Data

Journal of Geophysical Research: Atmospheres
2018-10-27 | Journal article
DOI: 10.1029/2018JD029144
Contributors: Yousuke Sato; Masayuki Takigawa; Tsuyoshi Thomas Sekiyama; Mizuo Kajino; Hiroaki Terada; Haruyasu Nagai; Hiroaki Kondo; Junya Uchida; Daisuke Goto; Denis Quélo et al.
Source: check_circle
Crossref

The impact of surface wind data assimilation on the predictability of near-surface plume advection in the case of the fukushima nuclear accident

Journal of the Meteorological Society of Japan
2017 | Journal article
DOI: 10.2151/jmsj.2017-025
EID:

2-s2.0-85034455381
Contributors: Sekiyama, T.T.; Kajino, M.; Kunii, M.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Using meteorological ensembles for atmospheric dispersion modelling of the fukushima nuclear accident

HARMO 2017 - 18th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, Proceedings
2017 | Conference paper
EID:

2-s2.0-85041717305
Contributors: Périllat, R.; Korsakissok, I.; Mallet, V.; Mathieu, A.; Didier, D.; Sekiyama, T.; Kajino, M.; Adachi, K.; Igarashi, Y.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

<sup>134</sup>Cs and<sup>137</sup>Cs in the North Pacific Ocean derived from the March 2011 TEPCO Fukushima Dai-ichi Nuclear Power Plant accident, Japan. Part two: estimation of<sup>134</sup>Cs and<sup>137</sup>Cs inventories in the North Pacific Ocean

Journal of Oceanography
2016 | Journal article
DOI: 10.1007/s10872-015-0332-2
EID:

2-s2.0-84955714895
Contributors: Aoyama, M.; Kajino, M.; Tanaka, T.Y.; Sekiyama, T.T.; Tsumune, D.; Tsubono, T.; Hamajima, Y.; Inomata, Y.; Gamo, T.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Aerosol data assimilation using data from Himawari-8, a next-generation geostationary meteorological satellite

Geophysical Research Letters
2016 | Journal article
DOI: 10.1002/2016GL069298
EID:

2-s2.0-84977465005
Contributors: Yumimoto, K.; Nagao, T.M.; Kikuchi, M.; Sekiyama, T.T.; Murakami, H.; Tanaka, T.Y.; Ogi, A.; Irie, H.; Khatri, P.; Okumura, H. et al.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Data assimilation of himawari-8 aerosol observations: Asian dust forecast in June 2015

Scientific Online Letters on the Atmosphere
2016 | Journal article
DOI: 10.2151/sola.2016-020
EID:

2-s2.0-85007575474
Contributors: Sekiyama, T.T.; Yumimoto, K.; Tanaka, T.Y.; Nagao, T.; Kikuchi, M.; Murakami, H.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Forecasting of Asian dust storm that occurred on May 10–13, 2011, using an ensemble-based data assimilation system

Particuology
2016 | Journal article
DOI: 10.1016/j.partic.2015.09.001
EID:

2-s2.0-84991020850
Contributors: Yumimoto, K.; Murakami, H.; Tanaka, T.Y.; Sekiyama, T.T.; Ogi, A.; Maki, T.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Impact of changing the wet deposition schemes in ldx on 137-cs atmosperic deposits after the fukushima accident

HARMO 2016 - 17th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, Proceedings
2016 | Conference paper
EID:

2-s2.0-85041714151
Contributors: Quérel, A.; Quélo, D.; Roustan, Y.; Mathieu, A.; Kajino, M.; Sekiyama, T.; Adachi, K.; Didier, D.; Igarashi, Y.; Maki, T.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Integrated Study of AD-Net Mie-Lidar Network and Data Assimilated CTM for Asian Dust Epidemiology in Japan

EPJ Web of Conferences
2016 | Conference paper
DOI: 10.1051/epjconf/201611908007
EID:

2-s2.0-84976274609
Contributors: Shimizu, A.; Nishizawa, T.; Sugimoto, N.; Matsui, I.; Kobayashi, H.; Maki, T.; Sekiyama, T.T.; Kanatani, K.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Using meteorological ensembles for atmospheric dispersion modeling of the fukushima nuclear accident

HARMO 2016 - 17th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, Proceedings
2016 | Conference paper
EID:

2-s2.0-85047197471
Contributors: Périllat, R.; Korsakissok, I.; Mallet, V.; Mathieu, A.; Sekiyama, T.; Kajino, M.; Adachi, K.; Igarashi, Y.; Maki, T.; Didier, D.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Development towards a global operational aerosol consensus: Basic climatological characteristics of the International Cooperative for Aerosol Prediction Multi-Model Ensemble (ICAP-MME)

Atmospheric Chemistry and Physics
2015 | Journal article
DOI: 10.5194/acp-15-335-2015
EID:

2-s2.0-84921059154
Contributors: Sessions, W.R.; Reid, J.S.; Benedetti, A.; Colarco, P.R.; Da Silva, A.; Lu, S.; Sekiyama, T.; Tanaka, T.Y.; Baldasano, J.M.; Basart, S. et al.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Erratum: Development towards a global operational aerosol consensus: Basic climatological characteristics of the International Cooperative for Aerosol Prediction Multi-Model Ensemble (ICAP-MME) (Atmospheric Chemistry and Physics (2015) 15 (335-362))

Atmospheric Chemistry and Physics
2015 | Journal article
DOI: 10.5194/acp-15-2533-2015
EID:

2-s2.0-84924301797
Contributors: Sessions, W.R.; Reid, J.S.; Benedetti, A.; Colarco, P.R.; Da Silva, A.; Lu, S.; Sekiyama, T.; Tanaka, T.Y.; Baldasano, J.M.; Basart, S. et al.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Horizontal resolution dependence of atmospheric simulations of the Fukushima nuclear accident using 15-km, 3-km, and 500-m grid models

Journal of the Meteorological Society of Japan
2015 | Journal article
DOI: 10.2151/jmsj.2015-002
EID:

2-s2.0-84924970300
Contributors: Sekiyama, T.T.; Kunii, M.; Kajino, M.; Shimbori, T.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Operational dust prediction

Mineral Dust: A Key Player in the Earth System
2014 | Book
Part of DOI: 10.1007/978-94-017-8978-3_10
EID:

2-s2.0-84921050850
Contributors: Benedetti, A.; Baldasano, J.M.; Basart, S.; Benincasa, F.; Boucher, O.; Brooks, M.E.; Chen, J.-P.; Colarco, P.R.; Gong, S.; Huneeus, N. et al.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Operation-oriented ensemble data assimilation of total column ozone

Scientific Online Letters on the Atmosphere
2011 | Journal article
DOI: 10.2151/sola.2011-011
EID:

2-s2.0-84874557340
Contributors: Sekiyama, T.T.; Deushi, M.; Miyoshi, T.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

The effects of snow cover and soil moisture on Asian dust: I. a numerical sensitivity study

Scientific Online Letters on the Atmosphere
2011 | Journal article
DOI: 10.2151/sola.7A-010
EID:

2-s2.0-85016218967
Contributors: Tanaka, T.Y.; Sekiyama, T.T.; Maki, T.; Mikami, M.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

The effects of snow cover and soil moisture on asian dust: II. emission estimation by lidar data assimilation

Scientific Online Letters on the Atmosphere
2011 | Journal article
DOI: 10.2151/sola.7A-011
EID:

2-s2.0-85016196192
Contributors: Sekiyama, T.T.; Tanaka, T.Y.; Maki, T.; Mikami, M.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

The Impact of Ground-Based Observations on the Inverse Technique of Aeolian Dust Aerosol

Scientific Online Letters on the Atmosphere
2011 | Journal article
DOI: 10.2151/sola.7A-006
EID:

2-s2.0-85016167221
Contributors: Maki, T.; Tanaka, T.Y.; Sekiyama, T.T.; Mikami, M.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Data assimilation of CALIPSO aerosol observations

Atmospheric Chemistry and Physics
2010 | Journal article
DOI: 10.5194/acp-10-39-2010
EID:

2-s2.0-73949123270
Contributors: Sekiyama, T.T.; Tanaka, T.Y.; Shimizu, A.; Miyoshi, T.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Stratospheric ozone variation induced by the 11-year solar cycle: Recent 22-year simulation using 3-D chemical transport model with reanalysis data

Geophysical Research Letters
2006 | Journal article
DOI: 10.1029/2006GL026711
EID:

2-s2.0-33845638682
Contributors: Sekiyama, T.T.; Shibata, K.; Deushi, M.; Kodera, K.; Lean, J.L.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Development of an MRI chemical transport model for the study of stratospheric chemistry

Papers in Meteorology and Geophysics
2005 | Journal article
EID:

2-s2.0-23944440639
Contributors: Shibata, K.; Deushi, M.; Sekiyama, T.T.; Yoshimura, H.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Erratum: (Papers in Meteorology and Geophysics vol. 53 (4))

Papers in Meteorology and Geophysics
2005 | Journal article
EID:

2-s2.0-31344444870
Contributors: Tanaka, T.Y.; Orito, K.; Sekiyama, T.T.; Shibata, K.; Chiba, M.; Tanaka, H.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Predictability of total ozone using a global three-dimensional chemical transport model coupled with the MRI/JMA98 GCM

Monthly Weather Review
2005 | Journal article
DOI: 10.1175/MWR2976.1
EID:

2-s2.0-24944541354
Contributors: Sekiyama, T.T.; Shibata, K.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

The impact of changing meteorological variables to be assimilated into GCM on ozone simulation with MRI CTM

Journal of the Meteorological Society of Japan
2005 | Journal article
DOI: 10.2151/jmsj.83.909
EID:

2-s2.0-27744605388
Contributors: Miyazaki, K.; Iwasaki, T.; Shibata, K.; Deushi, M.; Sekiyama, T.T.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

MASINGAR, a global tropospheric aerosol chemical transport model coupled with MRI/JMA98 GCM: Model description

Papers in Meteorology and Geophysics
2003 | Journal article
DOI: 10.2467/mripapers.53.119
EID:

2-s2.0-0038268115
Contributors: Tanaka, T.Y.; Orito, K.; Sekiyama, T.T.; Shibata, K.; Chiba, M.; Tanaka, H.
Source: Self-asserted source
Thomas SEKIYAMA via Scopus - Elsevier

Peer review (2 reviews for 2 publications/grants)

Review activity for Journal of environmental radioactivity. (1)
Review activity for New generation computing. (1)
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