Tsuyoshi Koshiro

Profile Information

Affiliation: Senior Researcher, Department of Atmosphere, Ocean, and Earth System Modeling Research, Meteorological Research Institute

Degree: Ph.D. (Science)(Jul, 2018, Kyoto University)

ORCID ID: https://orcid.org/0000-0003-2971-7446
researchmap Member ID: B000234879

External link: https://www.gfd-dennou.org/arch/koshiro/

Research Interests

Research Areas

Natural sciences / Atmospheric and hydrospheric science /

Research History

Oct, 2023 - Present

Senior Researcher, Department of Atmosphere, Ocean, and Earth System Modeling Research, Meteorological Research Institute
Dec, 2019 - Sep, 2023

Researcher, Department of Atmosphere, Ocean, and Earth System Modeling Research, Meteorological Research Institute
Apr, 2019 - Nov, 2019

Guest Researcher, Department of Atmosphere, Ocean, and Earth System Modeling Research, Meteorological Research Institute
Apr, 2019 - Nov, 2019

Researcher, Office of Climate and Environment Research Promotion, Japan Meteorological Business Support Center
Oct, 2009 - Mar, 2019

Research Associate, Climate Research Department, Meteorological Research Institute
Oct, 2008 - Sep, 2009

Office Assistant, Graduate School of Science, Kyoto University
Jun, 2005 - Mar, 2006

Research Assistant, Research Institute for Sustainable Humanosphere, Kyoto University
Apr, 2001 - Mar, 2004

Computer Systems Engineer, Environmental System Business Division, Fujitsu FIP Corporation

Education

Jul, 2018

Ph.D. (Science), Earth and Planetary Sciences, Kyoto University
Apr, 2004 - Sep, 2009

Withdrawal from the doctoral program with the completion of course requirements, Earth and Planetary Sciences, Kyoto University
Apr, 1999 - Mar, 2001

M.S., Environmental Earth Science, Hokkaido University
Apr, 1995 - Mar, 1999

B.S., Human Development, Kobe University

Papers

Changes in dust emissions in the Gobi Desert due to global warming using MRI-ESM2.0

Takashi Maki, Taichu Y. Tanaka, Tsuyoshi Koshiro, Atsushi Shimizu, Tsuyoshi T. Sekiyama, Mizuo Kajino, Yasunori Kurosaki, Toshiya Okuro, Naga Oshima

SOLA, 18(5) 218-224, Oct 27, 2022 Peer-reviewed
Importance of Minor‐Looking Treatments in Global Climate Models

Hideaki Kawai, Kohei Yoshida, Tsuyoshi Koshiro, Seiji Yukimoto

Journal of Advances in Modeling Earth Systems, 14(10) e2022MS003128, Oct, 2022 Peer-reviewed
Effects of anthropogenic forcings on multidecadal variability of the sea level around the Japanese coast simulated by MRI‐ESM2.0 for CMIP6

Yusuke Ushijima, Hiroyuki Tsujino, Kei Sakamoto, Masayoshi Ishii, Tsuyoshi Koshiro, Naga Oshima

Geophysical Research Letters, 49(18) e2022GL099987, Sep 28, 2022 Peer-reviewed
On the effect of historical SST patterns on radiative feedback

Timothy Andrews, Alejandro Bodas‐Salcedo, Jonathan M. Gregory, Yue Dong, Kyle C. Armour, David Paynter, Pu Lin, Angshuman Modak, Thorsten Mauritsen, Jason N. S. Cole …

Journal of Geophysical Research: Atmospheres, 127(18) e2022JD036675, Sep 27, 2022 Peer-reviewed
Estimated cloud-top entrainment index explains positive low-cloud-cover feedback

Tsuyoshi Koshiro, Hideaki Kawai, Akira T. Noda

Proceedings of the National Academy of Sciences of the United States of America, 119(29) e2200635119, Jul 19, 2022 Peer-reviewedLead authorCorresponding author
Low-level marine tropical clouds in six CMIP6 models are too few, too bright but also too compact and too homogeneous

Dimitra Konsta, Jean‐Louis Dufresne, Hélène Chepfer, Jessica Vial, Tsuyoshi Koshiro, Hideaki Kawai, Alejandro Bodas‐Salcedo, Romain Roehrig, Masahiro Watanabe, Tomoo Ogura

Geophysical Research Letters, 49(11) e2021GL097593, Jun 16, 2022 Peer-reviewed
Relationship between shortwave radiation bias over the Southern Ocean and the double‐intertropical convergence zone problem in MRI‐ESM2

Hideaki Kawai, Tsuyoshi Koshiro, Seiji Yukimoto

Atmospheric Science Letters, 22(12) e1064, Dec, 2021 Peer-reviewed
The Climate Response to Emissions Reductions due to COVID‐19: Initial Results from CovidMIP

Chris D. Jones, Jonathan E. Hickman, Steven T. Rumbold, Jeremy Walton, Robin D. Lamboll, Ragnhild B. Skeie, Stephanie Fiedler, Piers M. Forster, Joeri Rogelj, Manabu Abe …

Geophysical Research Letters, 48 e2020GL091883, Apr 28, 2021 Peer-reviewed
Climate model projections from the Scenario Model Intercomparison Project (ScenarioMIP) of CMIP6

Claudia Tebaldi, Kevin Debeire, Veronika Eyring, Erich Fischer, John Fyfe, Pierre Friedlingstein, Reto Knutti, Jason Lowe, Brian O'Neill, Benjamin Sanderson …

Earth System Dynamics, 12(1) 253-293, Mar 1, 2021 Peer-reviewed
Global and Arctic effective radiative forcing of anthropogenic gases and aerosols in MRI-ESM2.0

Naga Oshima, Seiji Yukimoto, Makoto Deushi, Tsuyoshi Koshiro, Hideaki Kawai, Taichu Y. Tanaka, Kohei Yoshida

Progress in Earth and Planetary Science, 7 38, Aug 10, 2020 Peer-reviewed
The Meteorological Research Institute Earth System Model version 2.0, MRI-ESM2.0: Description and basic evaluation of the physical component

Yukimoto, S, H. Kawai, T. Koshiro, N. Oshima, K. Yoshida, S. Urakawa, H. Tsujino, M. Deushi, T. Tanaka, M. Hosaka …

JOURNAL OF THE METEOROLOGICAL SOCIETY OF JAPAN, 97(5) 931-965, Sep 19, 2019 Peer-reviewed
Significant improvement of cloud representation in global climate model MRI-ESM2

Kawai, H, S. Yukimoto, T. Koshiro, N. Oshima, T. Tanaka, H. Yoshimura, R. Nagasawa

Geoscientific Model Development, 12(7) 2875-2897, Jul 12, 2019 Peer-reviewed
Changes in marine fog over the North Pacific under different climates in CMIP5 multi-model simulations

Kawai, H, T. Koshiro, H. Endo, O. Arakawa

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 123(19) 10911-10924, Oct 16, 2018 Peer-reviewed
Evaluation of relationships between subtropical marine low stratiform cloudiness and estimated inversion strength in CMIP5 models using the satellite simulator package COSP

Tsuyoshi Koshiro, Masato Shiotani, Hideaki Kawai, Seiji Yukimoto

SOLA, 14 25-32, Feb 17, 2018 Peer-reviewedLead authorCorresponding author
A Multimodel Study on Warm Precipitation Biases in Global Models Compared to Satellite Observations

Xianwen Jing, Kentaroh Suzuki, Huan Guo, Daisuke Goto, Tomoo Ogura, Tsuyoshi Koshiro, Johannes Muelmenstaedt

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 122(21) 11806-11824, Nov 16, 2017 Peer-reviewed
Interpretation of Factors Controlling Low Cloud Cover and Low Cloud Feedback Using a Unified Predictive Index

Hideaki Kawai, Tsuyoshi Koshiro, Mark J. Webb

JOURNAL OF CLIMATE, 30(22) 9119-9131, Nov 15, 2017 Peer-reviewed
Interannual Variability in Low Stratiform Cloud Amount over the Summertime North Pacific in Terms of Cloud Types

Tsuyoshi Koshiro, Seiji Yukimoto, Masato Shiotani

JOURNAL OF CLIMATE, 30(16) 6108-6122, Aug 15, 2017 Peer-reviewedLead authorCorresponding author
Changes in marine fog in a warmer climate

Hideaki Kawai, Tsuyoshi Koshiro, Hirokazu Endo, Osamu Arakawa, Yuichiro Hagihara

ATMOSPHERIC SCIENCE LETTERS, 17(10) 548-555, Oct, 2016 Peer-reviewed
Robustness, uncertainties, and emergent constraints in the radiative responses of stratocumulus cloud regimes to future warming

Yoko Tsushima, Mark A. Ringer, Tsuyoshi Koshiro, Hideaki Kawai, Romain Roehrig, Jason Cole, Masahiro Watanabe, Tokuta Yokohata, Alejandro Bodas-Salcedo, Keith D. Williams …

CLIMATE DYNAMICS, 46(9-10) 3025-3039, May, 2016 Peer-reviewed
Characteristics of the Cloud Top Heights of Marine Boundary Layer Clouds and the Frequency of Marine Fog over Mid-Latitudes

Hideaki Kawai, Shoukichi Yabu, Yuichiro Hagihara, Tsuyoshi Koshiro, Hajime Okamoto

JOURNAL OF THE METEOROLOGICAL SOCIETY OF JAPAN, 93(6) 613-628, Dec, 2015 Peer-reviewed

Books and Other Publications

気象研究ノート第244号「気候系のHotspot：中緯度大気海洋相互作用研究の新展開」（中村尚・川村隆一編）

早坂忠裕, 片桐秀一郎, 丸山拓海, 神代剛, 佐藤大卓, 西井和晃, 中村尚, 小川晨一, 宮本歩, 宮坂貴文, 西川はつみ, 山内晃, 河本和明, 万田敦昌 (Role: Contributor, 第6章夏季北太平洋の雲と海洋)

日本気象学会, Oct, 2021 (ISBN: 9784904129272)

Misc.

Cloud feedbacks in MRI-ESM2

Hideaki Kawai, Tsuyoshi Koshiro, Seiji Yukimoto

WGNE Research Activities in Earth System Modelling, 52 7.07-7.08, Jul, 2022
Impact of cloud microphysics parameter on 20th century warming simulated in MRI-CGCM3

Tsuyoshi Koshiro, Hideaki Kawai, Seiji Yukimoto

WGNE Research Activities in Earth System Modelling, 50 7.13-7.14, Jul, 2020 Lead authorCorresponding author
Does radiative cooling of stratocumulus strengthen summertime subtropical highs?

Hideaki Kawai, Tsuyoshi Koshiro

WGNE Research Activities in Earth System Modelling, 50 7.11-7.12, Jul, 2020
Relationship between shortwave radiation bias over the Southern Ocean and the ITCZ in MRI-ESM2

Hideaki Kawai, Tsuyoshi Koshiro, Seiji Yukimoto

WGNE Research Activities in Earth System Modelling, 50 7.09-7.10, Jul, 2020
Improved representation of clouds in climate model MRI-ESM2

Hideaki Kawai, Seiji Yukimoto, Tsuyoshi Koshiro, Naga Oshima, Taichu Tanaka, Hiromasa Yoshimura

CAS/JSC WGNE Research Activities in Atmospheric and Oceanic Modelling, 47 7.07-7.08, Jul, 2017
雲フィードバックに関するモデル相互比較プロジェクト（CFMIP）会議2015参加報告

小倉知夫, 神代剛, 鈴木健太郎, 清木達也, 川合秀明, 野田暁, 釜江陽一, 渡部雅浩

天気, 63(2) 105-112, Feb, 2016
Cloud feedbacks in MRI-CGCM3

Hideaki Kawai, Tsuyoshi Koshiro, Mark Webb, Seiji Yukimoto, Taichu Tanaka

CAS/JSC WGNE Research Activities in Atmospheric and Oceanic Modelling, 45 7.11-7.12, Jun, 2015
雲フィードバックに関するモデル相互比較プロジェクト（CFMIP）会議2014参加報告

釜江陽一, 小倉知夫, 神代剛, 小玉知央, 野田暁, 清木達也, Ying-Wen Chen, 塩竈秀夫, 川合秀明, 渡部雅浩

天気, 61(12) 997-1004, Dec, 2014
雲フィードバックに関するモデル相互比較プロジェクト（CFMIP）会議2013参加報告

小玉知央, 釜江陽一, 小倉知夫, 神代剛, 川合秀明, 野田暁, 渡部雅浩

天気, 60(12) 1029-1035, Dec, 2013
Halos observed over Uji campus of Kyoto University on March 16, 2007

TAKASHIMA Hisahiro, KOSHIRO Tsuyoshi, HASHIGUCHI Noriko O.

55(1) 3-4, Jan, 2008

Presentations

地球温暖化すると下層雲は増えるか？減るか？

神代剛, 川合秀明, 野田暁

2023年度エアロゾル・雲・降水に関する研究集会, Feb 14, 2024
Estimated cloud-top entrainment index explains positive low-cloud-cover feedback

Tsuyoshi Koshiro, Hideaki Kawai, Akira T. Noda

AGU Annual Meeting 2023, Dec 14, 2023
Estimated cloud-top entrainment index explains positive low-cloud-cover feedback

Tsuyoshi Koshiro, Hideaki Kawai, Akira T. Noda

ICCP-GSRA Workshop 2023, jointly with The 2nd EarthCARE Modeling Workshop, Mar 27, 2023
Estimated cloud-top entrainment index explains positive low-cloud-cover feedback

Tsuyoshi Koshiro, Hideaki Kawai, Akira T. Noda

The 6th WGNE workshop on systematic errors in weather and climate models, Nov 3, 2022
推定雲頂エントレインメント指標が正の下層雲量フィードバックを説明する

神代剛, 川合秀明, 野田暁

日本気象学会2022年度秋季大会, Oct 27, 2022
Estimated cloud-top entrainment index explains positive low-cloud-cover feedback

Tsuyoshi Koshiro, Hideaki Kawai, Akira T. Noda

The 16th Conference on Cloud Physics, Aug 9, 2022
Estimated cloud-top entrainment index explains positive low-cloud-cover feedback

Tsuyoshi Koshiro, Hideaki Kawai, Akira T. Noda

The 2022 CFMIP Meeting on Clouds, Precipitation, Circulation, and Climate Sensitivity, Jul 20, 2022
新しい統合的推定指標で理解される亜熱帯海洋下層雲フィードバック

神代剛, 川合秀明, 行本誠史

日本気象学会2019年度秋季大会, Oct 28, 2019
Can low cloud feedback be explained based on low cloud indices?

Tsuyoshi Koshiro, Hideaki Kawai, Seiji Yukimoto

The 2019 CFMIP Meeting on Clouds, Precipitation, Circulation, and Climate Sensitivity, Oct 1, 2019
CMIP5 subtropical marine low cloud feedback interpreted through a unified predictive index

Tsuyoshi Koshiro, Hideaki Kawai, Seiji Yukimoto

CMIP6 Model Analysis Workshop, Mar 26, 2019
Relationships between subtropical marine low stratiform cloudiness and estimated inversion strength in CMIP5 models

Tsuyoshi Koshiro, Masato Shiotani, Hideaki Kawai, Seiji Yukimoto

The 98th AMS Annual Meeting, Jan 8, 2018
雲タイプ別にみた北太平洋夏季層状性下層雲量の数年規模変動

神代剛, 行本誠史, 塩谷雅人

2016年度異常気象研究会, Nov 9, 2016
衛星観測シミュレータCOSPによるCMIP5モデルAMIP実験の亜熱帯海洋下層雲量と推定逆転強度の関係の検証

神代剛, 川合秀明, 行本誠史

日本気象学会2016年度秋季大会, Oct 26, 2016
Evaluation of relationship between subtropical marine low stratiform cloudiness and estimated inversion strength in CMIP5 AMIP simulations using COSP

Tsuyoshi Koshiro, Hideaki Kawai, Seiji Yukimoto

第8回熱帯気象研究会, Sep 30, 2016
Evaluation of relationship between subtropical marine low stratiform cloudiness and estimated inversion strength in CMIP5 AMIP experiments

Tsuyoshi Koshiro, Hideaki Kawai, Seiji Yukimoto

CFMIP/WCRP/ITCP Conference on Cloud Processes, Circulation and Climate Sensitivity, Jul 4, 2016
Evaluation of subtropical marine low stratiform clouds in CMIP5 AMIP experiments using ISCCP observations and simulator outputs

Tsuyoshi Koshiro, Hideaki Kawai, Seiji Yukimoto

AGU Fall Meeting 2015, Dec 17, 2015
ISCCP観測データ・シミュレータ出力をもちいたCMIP5モデルamip実験の亜熱帯海洋下層雲の再現性評価

神代剛, 川合秀明, 行本誠史

日本気象学会2015年度秋季大会, Oct 28, 2015
Interannual variability in summertime low stratiform cloudiness over the North Pacific in terms of cloud types

Tsuyoshi Koshiro, Seiji Yukimoto, Masato Shiotani

CFMIP Meeting on Cloud Processes and Climate Feedbacks, Jun 9, 2015
雲タイプ別にみた夏季北太平洋上における層状性下層雲量の数年規模変動

神代剛, 行本誠史, 塩谷雅人

日本気象学会2015年度春季大会, May 23, 2015
衛星観測シミュレータCOSPを用いた気象研気候モデルMRI-CGCM3の雲の検証

神代剛, 川合秀明, 行本誠史

第8回気象庁数値モデル研究会, Mar 27, 2015 Invited

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気象予報士

Mar, 2007 - Present
ソフトウェア開発技術者

Jun, 2002 - Present
中学校・高等学校教諭専修免許状（理科）

Apr, 2001 - Present

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