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Affiliation |
Faculty of Environment and Information Sciences, Division of Natural Environment and Information |
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Job Title |
Professor |
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Related SDGs |
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YOSHIDA Ryuji
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ORCID
The Best Research Achievement in the last 5 years 【 display / non-display 】
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【Published Thesis】 Two-Dimensional Idealized Hadley Circulation Simulation for Global High Resolution Model Development(Journal of Advaces in Modeling Earth Systems) 2022
Education 【 display / non-display 】
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2010.4-2013.3
Kyoto University Doctor Course Unfinished Course
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2008.4-2010.3
Kyoto University Master Course Completed
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2004.4-2008.3
Okayama University Graduated
Campus Career 【 display / non-display 】
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2026.4
Duty Yokohama National UniversityFaculty of Environment and Information Sciences Division of Natural Environment and Information Professor
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2022.4-2026.3
Duty Yokohama National UniversityFaculty of Environment and Information Sciences Division of Natural Environment and Information Associate Professor
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2026.4
Concurrently Yokohama National UniversityCollege of Urban Sciences Department of Risk Management and Environmental Science Professor
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2026.4
Concurrently Yokohama National UniversityInstitute of Advanced Sciences Professor
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2023.4-2026.3
Concurrently Yokohama National UniversityInstitute of Advanced Sciences Associate Professor
External Career 【 display / non-display 】
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2019.5-2022.3
National Oceanic and Atmospheric Administration Earth System Research Laboratories, Chemical Sciences Laboratory Researcher
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2018.8-2019.4
National Oceanic and Atmospheric Administration Earth System Research Laboratories, Chemical Sciences Laboratory Researcher
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2016.8-2018.7
Kobe University Research Center for Urban Safety and Security
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2014.10-2018.7
RIKEN AICS Computational Climate Science Research Team
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2011.10-2014.9
RIKEN AICS Computational Climate Science Research Team Research Associate
Academic Society Affiliations 【 display / non-display 】
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2022
日本地球惑星科学連合
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2012
American Geophysical Union
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2011
American Meteorological Society
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2009
日本気象学会
Research Areas 【 display / non-display 】
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Natural Science / Atmospheric and hydrospheric science / Meteorology, Climate, Tropical Cyclone, HPC
Books 【 display / non-display 】
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図説 台風の事典
横浜国立大学台風科学技術研究センター(監修)／筆保 弘徳・おくむら 政佳(編集代表)／分担執筆者：吉田龍二ほか多数（ Role： Contributor）
朝倉書店 （ ISBN:978-4254161403 ）
Total pages：208 Language：Japanese Book type：Dictionary, encyclopedia
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ニュース・天気予報がよくわかる気象キーワード事典
筆保弘徳, 山崎哲 , 中村哲, 安成哲平, 吉田龍二, 釜江陽一, 下瀬健一, 大橋唯太, 堀田大介（ Role： Contributor）
ベレ出版 （ ISBN:978-4860645915 ）
Total pages：270 Language：Japanese Book type：General book, introductory book for general audience
Papers 【 display / non-display 】
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Two-Dimensional Idealized Hadley Circulation Simulation for Global High Resolution Model Development
Ryuji Yoshida, Takanobu Yamaguchi, Graham Feingold
Journal of Advaces in Modeling Earth Systems 14 ( 1 ) 2022 [Reviewed]
Language：English Publishing type：Research paper (scientific journal) Joint Work
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Yoshida Ryuji, Fudeyasu Hironori
MONTHLY WEATHER REVIEW 148 ( 2 ) 559 - 576 2020.2 [Reviewed]
DOI Web of Science CiNii Research
Authorship：Lead author, Corresponding author Language：Japanese Publishing type：Research paper (scientific journal) Publisher：American Meteorological Society Joint Work
The low-level flow pattern characteristics of the tropical cyclone genesis (TCG) environment over the western North Pacific (WNP) were investigated not only for the periods during which TCG occurred, but also for the periods during which no TCG occurred. The flow patterns investigated were the shear line (SL), confluence region (CR), and easterly wave (EW) patterns. Although these flow patterns are recognized as favorable environmental conditions for TCG, their general characteristics, such as the climatological horizontal distribution, have not been previously investigated and there has been no comparison of the significance of the TCG cases to the climatological mean. We examined flow patterns using flow pattern indices defined by the modified semiobjective analysis method. SL and CR were broadly distributed over the WNP east of the Philippines during the boreal summer season. There was a peak in the EW from summer to autumn and it was distributed in a band running in an east–west direction at a lower latitude. Flow pattern indices of all three flow patterns gradually intensified until the TCG date was reached. The SL and EW indices became more intense compared to the climatological mean one day before the TCG, while that of the CR did not exceed the climatological mean. TCG occurred at the eastern edge of the area with a high genesis potential index and relative humidity and a weak vertical shear over flow patterns. This determination of the general characteristics of favorable flow pattern conditions improves our understanding of the TCG process.
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Dynamical and Radiative Influence on the Hadley Circulation by Aerosol-Cloud Interactions
Yamaguchi, T; Yoshida, R; Chen, YS; McCoy, IL; Feingold, G
JOURNAL OF ADVANCES IN MODELING EARTH SYSTEMS 18 ( 4 ) 2026.4 [Reviewed]
Language：The in addition, foreign language Publishing type：Research paper (scientific journal) Joint Work
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Statistical Prediction of Tropical Cyclone Rapid Intensification with Explainable AI
Horinouchi, T; Yanase, T; Ohta, Y; Matsuoka, D; Kitamoto, A; Shimada, U; Yoshida, R; Fudeyasu, H
WEATHER AND FORECASTING 40 ( 10 ) 1859 - 1875 2025.10 [Reviewed]
Language：Japanese Publishing type：Research paper (scientific journal) Joint Work
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The unique features of Typhoon Rai (2021): an observational study
Petilla, CER; Olaguera, LMP; Cruz, FAT; Villarin, JRT; Fudeyasu, H; Yoshida, R; Matsumoto, J
NATURAL HAZARDS 121 ( 7 ) 8279 - 8303 2025.8 [Reviewed]
Language：Japanese Publishing type：Research paper (scientific journal) Joint Work
Review Papers 【 display / non-display 】
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日本気象学会第42期学術委員会、佐藤正樹ほか多数
天気 72 ( 1 ) 27 - 90 2025.1
Language：English Publishing type：Rapid communication, short report, research note, etc. (scientific journal) Single Work
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第 6 回非静力学モデルに関する国際ワークショップ(第25回非静力学モデルに関するワークショップ)の報告
佐藤陽祐, 稲津將, 南出将志, 柳瀬友朗, 近藤誠, 大塚成徳, 吉田龍二, 佐藤拓人, 宮本佳明, 藤 原泰, 末木健太, 高須賀大輔, 伊藤純至, 橋本明弘, 八代尚
天気 71 ( 2 ) 75 - 81 2024.2
Language：Japanese Publishing type：Rapid communication, short report, research note, etc. (bulletin of university, research institution) Joint Work
Awards 【 display / non-display 】
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外部資金表彰
2024.9 横浜国立大学 表彰
Individual or group name of awards：吉田龍二
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優秀研究者賞
2024.3 横浜国立大学 奨励賞
Individual or group name of awards：吉田龍二
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外部資金表彰
2023.10 横浜国立大学 表彰
Individual or group name of awards：吉田龍二
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2017年度気象集誌論文賞(JMSJ award)
2018.5 日本気象学会
Individual or group name of awards：吉田龍二
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ブルーアース11ポスター若手奨励賞
2011.3 海洋開発研究機構
Individual or group name of awards：吉田龍二
Grant-in-Aid for Scientific Research 【 display / non-display 】
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全球雲解像気候モデルと最新の観測で開拓するグローバル極端気象学
Grant number：26187548 2026 - 2029
Grant-in-Aid for Scientific Research(A)
Investigator(s)：小玉 知央 (国立研究開発法人海洋研究開発機構)
Authorship：Coinvestigator(s) Grant type：Competitive
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最先端の観測技術と数値実験の融合で明らかにする雷雲の内部構造
Grant number：24934544 2024 - 2028
文部科学省 科学研究費助成事業 Grant-in-Aid for Scientific Research(A)
Investigator(s)：佐藤 陽祐
Authorship：Coinvestigator(s) Grant type：Competitive
Other external funds procured 【 display / non-display 】
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室内実験によるMicrophysicsスキームの精緻化
Grant number：JPMJMS2282-04 2022 - 2027.3
Japan Science and Technology Agency JST委託研究「ムーンショット型研究開発事業
Investigator(s)：吉田龍二（横浜国立大学）
Authorship：Coinvestigator(s)
雲の生成・消滅をつかさどる雲微物理過程（Microphysics）は、台風の数値シミュレーションにおいて重要な役割を担う。本研究課題は、室内実験の実権データをベースに現存のMicrophysicsスキームの精緻化・改良によって、数値モデルの湿潤過程の表現性を改善させ、台風の理解・予測・制御に関連する数値シミュレーションの高度化を目指すものである。
Presentations 【 display / non-display 】
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Numerical Simulation of Tropical Cyclone Sensitivity to Hygroscopic Aerosol Concentrations: A Case Study of Typhoon Faxai 2019
Ryuji Yoshida, Hironori Fudeyasu, Ryosuke Yasui, Toshihiko Takemura, Yousuke Sato
AGU 2025 Fall Meeting
Event date： 2025.12
Language：English Presentation type：Poster presentation
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Development of a seeding method for the typhoon weakening based on the laboratory and the numerical simulation experiments
Ryuji Yoshida (YNU), Hironori Fudeyasu (YNU), Masataka Murakami (YNU), Yuto Kitano (YNU), Yuki Kudo (YNU), Narihiro Orikasa (MRI/JMA), Takuya Tajiri (MRI/JMA), Ayumi Iwata (MRI/JMA), Mizuo Kajino (MRI/JMA), Yoshiaki Miyamoto (Keio Univ.), Tomoki Kajikawa (Tsukuba Univ.), Shogo Saruta (Tsukuba Univ.), Shoichi Akami (Tsukuba Univ.)
AGU 2023 Fall Meeting 2023.12
Event date： 2023.12
Language：English Presentation type：Poster presentation
Venue：サンフランシスコ市
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高解像度数値モデルの開発プラットフォームとしての理想化ハドレー循環シミュレーション
吉田龍二 (横浜国立大学), Takanobu Yamaguchi (NOAA/CIRES UCB), Graham Feingold (NOAA)
日本気象学会2022年秋季大会 2022.10
Event date： 2022.10
Language：Japanese Presentation type：Oral presentation (general)
Venue：北海道大学
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数値シミュレーションに基づく 吸湿性エアロゾル量に対する台風強度変化の解析
吉田龍二，筆保弘徳，安井良輔， 竹村俊彦，佐藤陽祐
2025年度 日本気象学会 秋季大会
Event date： 2025.11
Language：Japanese Presentation type：Oral presentation (general)
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Scientific Collaborations on Typhoon Studies Enabled by HPC and AI
Ryuji Yoshida, Hironori Fudeyasu, Takumi Honda, Takeshi Horinouchi, Yuiko Ohta, Masaki Satoh, Kazuhisa Tsuboki, Kanna Tsukagoshi, Yusuke Majima, Takashi Yanase, Nobuhiro Yugami
The 3rd International Workshop of TRC
Event date： 2025.10
Language：English Presentation type：Oral presentation (general)
Past of Collaboration and Commissioned Research 【 display / non-display 】
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富士通-横浜国大台風リサーチラボ
Offer organization: 富士通株式会社 Cooperative Research within Japan
Project Year： 2022 - 2027.3
Charge of on-campus class subject 【 display / non-display 】
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2026 Introduction to Climate Dynamics Ⅰ
College of Urban Sciences
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2026 Exercises in Earth Science
College of Urban Sciences
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2026 Computer Literacies in Environmental Science
College of Urban Sciences
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2026 Introduction to Environmental Risk A
College of Urban Sciences
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2026 Climate Science Ⅱ
Interfaculty Graduate School of Innovative and Practical Studies
Committee Memberships 【 display / non-display 】
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日本気象学会 松野賞候補者推薦委員会
2024 - 2026
Committee type：Other
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日本気象学会 2025年春季大会実行委員会
2024 - 2025
Committee type：Other
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文部科学省 次世代計算基盤に係る調査研究事業 システム研究調査チーム 気象・気候サブグループ
2022.10 - 2025.3 メンバー
Committee type：Other
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日本気象学会 計算科学研究連絡会
2022
Committee type：Academic society
Social Contribution(Extension lecture) 【 display / non-display 】
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シンポジウム話題提供「AI×台風データサイエンスの未来」
Role(s)： Guest, Panelist
横浜国立大学 高等研究院 横浜国立大学 高等研究院シンポジウム AI共創研究で挑む私たちの未来 2026.3
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主催：地域社会規模気候学 シンポジウム
Role(s)： Host, Logistic support
2026.3
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サイエンスカフェ海トーク 話題提供者「温暖化と台風と海」
Role(s)： Lecturer
横浜国立大学地域連携推進機構臨海環境センター 海まちラボ海トーク 2025.9
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気象予報士会 神奈川支部 合同例会 招待講演
Role(s)： Commentator, Lecturer
気象予報士会 神奈川支部 気象予報士会 神奈川支部 合同例会 2024.3
Media Coverage 【 display / non-display 】
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プレスリリース】スーパーコンピュータ「富岳」を利用して、台風に伴う竜巻の予測を可能にする気象シミュレーションを世界で初めて実現
2025.2
Author：Other
Academic Activities 【 display / non-display 】
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2024年度気象予報士会 神奈川支部 合同例会主催者を担当
Role(s)： Planning, management, etc., Panel moderator, session chair, etc.
2024.10 - 2025.3