Projects

Collaborative Research Contract (共同研究契約)

2025年10月-2027年3月: 気象庁・気象研究所・気象予報研究部第一研究室(橋本明弘)
「特別観測と気象予報モデルの連携による降水形成機構に関する研究」

2025年9月-2028年3月: 一般財団法人日本気象協会・技術戦略室(本間基寛)
「AIを用いた天気予報およびデータ同化手法に関する研究」

2021年04月-2029年3月: 気象庁・気象研究所・気象観測研究部(岡本幸三・石田春磨)
深層学習技術等を用いた衛星データ同化の高度化に関する研究

2019年11月-2028年3月: 理化学研究所・計算科学研究センター・データ同化研究チーム(PI: 三好建正)
全球大気モデル用いたデータ同化アルゴリズムと衛星観測データ同化手法の高度化

Ongoing Projects (as Lead PI)

PeriodPITypes of ProgramsTitleProject Number
/Grant Number
2026/04–2029/03Wataru KunimiJSPS
Grant-in-Aid for JSPS Fellows
TBD26KJ0685
2026/04–2029/03Daiko KishikawaJSPS
Grant-in-Aid for Early-Career Scientists
TBD26K17469
2025/04–2030/03Shunji KotsukiJSPS
Grants-in-Aid for Scientific Research Foundation (A)
Transforming Weather Prediction with Deep Learning and Quantum Computing25H00752
2025/04–2028/03Shunji KotsukiJAXA
JAXA 4th Research Announcement
Development of Data-driven Global Satellite Mapping of Precipitation through Data Assimilation and Deep LearningER4GPF019
2025/04–2028/03Atsushi OkazakiJSPS
Grants-in-Aid for Scientific Research Foundation (B)
Exploring new isotope hydrology with next generation geostationary satellites25K01329
2025/04–2028/03Atsushi OkazakiEnvironment Research and Technology Development Fund of the Ministry of the Environment, [Young Research]TBD2RA-2501
2025/04–2029/03Yuka MutoJSPS
Grant-in-Aid for Early-Career Scientists
Development of a state-of-the-art integrated global precipitation product using data assimilation25K17687
2025/04–2027/03Fumitoshi KawasakiJSPS
Grant-in-Aid for JSPS Fellows
< href="https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-25KJ0729/" target="_blank" rel="noopener" style="color: #0000ff;">Optimization of Mobile Observation Sites and Evaluation of Observation Impact for Improving Forecast Accuracy of Senjo-Kousuitai25KJ0729
2024/04–2027/03Daiya ShiojiriJSPS
Grant-in-Aid for Early-Career Scientists
Development and Popularization of a General-Purpose Land Data Assimilation System: Addressing the Bottleneck of Insufficient Observations in Hydrology24K17351
2023/12–2027/03Shunji KotsukiJST
MOONSHOT Research & Development Program (Core)
Artificial generation of upstream maritime heavy rains to govern intense-rain-induced disasters over landPM-Kotsuki:
JPMJMS2389
PI-Okazaki:
JPMJMS2389-4-1
PI-Kotsuki:
JPMJMS2389-4-2
2023/04–2026/03Ryo KanakoJSPS
Grant-in-Aid for Early-Career Scientists
Development of a Smartphone Rain Gauge - for Future Global Precipitation Observation Network -23K13407
2022/04–2028/03Shunji KotsukiChiba University
International Advanced Academic Research Support Program (Top Leader)
Exploring Frontiers in Global Environment and Disaster Predictions Through Integration of Big Satellite Observations and Data Science-

Ongoing Projects (Kotsuki: as Co-PI)

PeriodPITypes of ProgramsTitleProject Number
/Grant Number
2025/04–2028/03T. Mitsui
(Juntendo U.)
JSPS
Grants-in-Aid for Scientific Research Foundation (C)
Development of a control algorithm for extreme weather events inspired by rare-event simulation techniques25K07942

Other Research Projects (Kotsuki)

PeriodPITypes of ProgramsTitleProject Number
/Grant Number
2025/04–2028/03T. Miyoshi
(RIKEN)
JAXA
JAXA 4th Research Announcement (RA4)
Advancement and AI integration of satellite data assimilation of clouds, precipitation and the ocean-
2023/04–2026/06T. Miyoshi
(RIKEN)
RIKEN-MOST
Collaborative Research
Comprehensive earthquake forecast model based on multi-geophysical data assimilation-
2022/04–2027/03K. Ichii
(Chiba U.)
JSPS
Core-to-Core Program
GEOLAND-NET (GEOstationary-satellite LAND monitoring NETwork)JPJSCCA20220008
2022/04–2027/03N. Mori
(Kyoto U.)
MEXT
Advanced studies of climate change projection
TBD-

Ongoing Universities Projects

PeriodPITypes of ProgramsTitleProject Number
/Grant Number
-AORI, ISEE, CEReS, CAOS
(U. of Tokyo, Nagoya U., Chiba U., Tohoku U.)
-Virtual Laboratory (VL)-

 

Acknowledgements (examples)

  • Kakenhi (DC, PD): the JSPS Grants in Aid for Scientific Research (JP21J11113)
  • Kakenhi: JSPS Kakenhi Grants (JP21H04571)
  • Moonshot: JST Moonshot R&D (JPMJMS2389)
  • JAXA: the Japan Aerospace Exploration Agency (JAXA) Precipitation Measuring Mission (PMM)
  • JPJS Core: This study was suported by JSPS Core-to-Core Program (JPJSCCA20220008).
  • IAAR: IAAR Research Support Program of Chiba University
  • VL: VL Program of Chiba University

Finished Projects (as Lead PI)

PeriodPITypes of ProgramsTitleProject Number
/Grant Number
2024/07–2026/03Kenta KurosawaJSPS
Grant-in-Aid for Research Activity Start-up
TBD24K22969
2023/04–2026/03Atsushi OkazakiJSPS
Grants-in-Aid for Transformative Research Areas Foundation (A) (Publicly Offered Research)
Ultra-high spatiotemporal resolution climate reconstruction: Toward development of historical meteorology24H00920
2022/06–2026/03Shunji KotsukiJSPS
Grants-in-Aid for Challenging Research (Exploratory)
Exploring Cost-effective Observation Placements Using The Data-driven Sparse Sensor Placement22K18821
2022/06–2026/03Shunji KotsukiJSPS
Grants-in-Aid for Challenging Research (Exploratory)
Exploring Cost-effective Observation Placements Using The Data-driven Sparse Sensor Placement22K18821
2023/06–2025/03Shunji KotsukiRTRI
Collaborative Research
Development of Evaluation Methods for the Spatial Representativeness of Ground Weather Observations-
2023/04–2025/03Atsushi OkazakiMLIT
河川砂防技術研究開発
Basin-scale impact-based risk assessment of the climate change-
2022/04–2025/03Shunji KotsukiJAXA
JAXA Third Research Announcement
Advancing GSMaP Precipitation by Land Data Assimilation and Data ScienceER3GPF016
2022/04–2025/03Atsushi OkazakiJSPS
Grant-in-Aid for Early-Career Scientists
Development of Stable Water Isotopes Dataset for Atmospheric Science by Fusing Model Simulations and Observations22K14095
2021/04–2025/03Shunji KotsukiJSPS
Grants-in-Aid for Scientific Research Foundation (A)
Exploring Real-time Rainfall and Flood Predictions in Fugaku Era with the State-of-the-art Data Science21H04571
2022/01–2024/12Daiya ShiojiriJSPS
Grant-in-Aid for JSPS Fellows Foundation
Runoff generation process by terrestrial water circulation model combined with assimilation of hydrological observation data22KJ0457
2022/06–2024/03Shunji KotsukiJSPS
Grants-in-Aid for Transformative Research Areas Foundation (A) (Publicly Offered Research)
Investigating Flood Risk Impacts on Local Community Developments through Numerical Simulations and Area Studies22H05230
2023/03–2024/03Ryo KanakoJSPS
Grant-in-Aid for JSPS Fellows Foundation
Development of a new precipitation forecasting model using a large-scale dataset22KJ0533
2023/04–2023/12Shunji KotsukiJST
FOREST
Foreseeing Unprecedented Flood Disasters through Integration of Simulation Science and FolkloreJPMJFR215J
2022/04–2023/11Shunji KotsukiJST
MOONSHOT Research & Development Program (feasibility)
Quantifying Weather Controllability and Mitigatable Flood Damage Based on Ensemble Weather ForecastJPMJMS2284
2021/04–2023/03Yuka MutoJSPS
Grant-in-Aid for JSPS Fellows Foundation
The Change in Flow and Sediment Regimes: The Integrated Effect of Forest Management and Geographical Characteristics of River Basins21J11113
2019/10–2023/03Shunji KotsukiJST
PRESTO
Advancing Data Assimilation and Prediction Methods to Maximize "The Value of Observations"MJPR1924
2021/04–2022/03Jun HuERAN
FY2021 ERAN Collaborative Research for Young Scientists
Quantify the fire trends and resuspension radionuclides using remote sensing data for radioactively contaminated forests in UkraineY-21-04
2020/04–2021/03Shunji KotsukiERAN
FY2020 ERAN Collaborative Research for Young Scientists
Implementing Radioactive Transport/Diffusion Modules into an Integrated Hydrological Model for Long-term ProjectionsY-20-07
2018/04–2020/03Shunji KotsukiJSPS
Grants-in-Aid for Scientific Research Foundation (B)
Land-Atmosphere-Coupled Data Assimilation: Improving Atmospheric and Hydrological Predictions by Hydrological Big Data Assimilation18H01549

Finished Projects (Kotsuki: as Co-PI)

PeriodPITypes of ProgramsTitleProject Number
/Grant Number
2022/06–2026/03K. Ichii
(Chiba U.)
JSPS
Grants-in-Aid for Challenging Research (Exploratory)
TBD22K19842
2021/07–2026/03T. Oki
(U. of Tokyo)
JSPS
Grants-in-Aid for Scientific Research Foundation (S)
Study on global terrestrial hydrodynamics with satellite earth observations21H05002
2022/04–2025/03T. Miyoshi
(RIKEN)
JAXA
JAXA Third Research Announcement (RA3)
Advances and applications of satellite data assimilation of clouds, precipitation, and the ocean-
2021/07–2025/03H. Tsukada
(Chubu U.)
JST
JST-Mirai Program
TBD-
2021/04–2024/03K. Ichii
(Chiba U.)
Environment Research and Technology Development Fund of the Ministry of the Environment, [Strategic Research]TBDJPMEERF21S20807
2021/04–2024/03Y. Igarashi
(Fukushima U.)
Environment Research and Technology Development Fund of the Ministry of the Environment, [Young Research]Prediction System for Radionuclides Redistribution due to Wild Fire in Contaminated RegionsJPMEERF20211R03
(1RF-2103)
2020/04–2023/03M. Satoh
(U. of Tokyo)
Program for Promoting Researches on the Supercomputer FugakuLarge Ensemble Atmospheric and Environmental Prediction for Disaster Prevention and Mitigation-
2020/04–2023/03N. Tsumura
(Chiba U.)
Global Prominent Research of Chiba UniversityCreation of Material Appearance and Affective Imaging-
2020/04–2022/03S. Watanabe
(U. of Tokyo)
令和2年度河川砂防技術研究開発公募TBD-
2019/04–2022/03T. Miyoshi
(RIKEN)
JAXA
PMM
Enhancing Precipitation Prediction Algorithm by Data Assimilation of GPM Observations-