Sawada Yohei 澤田洋平

… Alternative Names

SAWADA Yohei 澤田洋平

Less

Researcher Number	30784475
Other IDs
Affiliation (Current)	2025: 東京大学, 大学院工学系研究科(工学部), 准教授
Affiliation (based on the past Project Information) *help	2019 – 2024: 東京大学, 大学院工学系研究科(工学部), 准教授 2017 – 2018: 気象庁気象研究所, 予報研究部, 研究官
Review Section/Research Field	Principal Investigator Basic Section 22040:Hydroengineering-related / Medium-sized Section 22:Civil engineering and related fields / Meteorology/Physical oceanography/Hydrology Except Principal Investigator Medium-sized Section 22:Civil engineering and related fields
Keywords	Principal Investigator データ同化 / 生態水文 / 農業干ばつ / 水害警報 / 水害予測 / オオカミ少年効果 / 陸面データ同化 / マイクロ波リモートセンシング / 陸面モデリング / マイクロ波衛星観測 / 陸域モデル … More Except Principal Investigator … More 洪水 / 水循環モデル / マイクロ波リモートセンシング / 合成開口レーダ / 地球観測衛星 / 気候変動 / 水災害 / 渇水 / 豪雨 / データ同化 / マイクロ波放射計 Less

Theoretical and empirical analysis on cry wolf effects in flood prediction: Challenge for the design of flood early warning systemPrincipal Investigator
- Principal Investigator
  
  澤田洋平
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 22:Civil engineering and related fields
- Research Institution
  The University of Tokyo
Global integrated probabilistic forecasting of agricultural droughtsPrincipal Investigator
- Principal Investigator
  
  澤田洋平
- Project Period (FY)
  2021 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 22040:Hydroengineering-related
- Research Institution
  The University of Tokyo
Monitoring and Prediction of Hydrological Extreme Events by Satellite Microwave Remote Sensing
- Principal Investigator
  
  KOIKE Toshio
- Project Period (FY)
  2018 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 22:Civil engineering and related fields
- Research Institution
  Public Works Research Institute
A hyper-resolution land data assimilation systemPrincipal Investigator
- Principal Investigator
  
  SAWADA Yohei
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Meteorology/Physical oceanography/Hydrology
- Research Institution
  The University of Tokyo
  Japan, Meteorological Research Institute

All 2024 2023 2022 2021 2020 2019 2018 2017

All Journal Article Presentation

[Journal Article] An Efficient and Robust Estimation of Spatio‐Temporally Distributed Parameters in Dynamic Models by an Ensemble Kalman Filter2024
- Author(s)
  Sawada Yohei、Duc Le
- Journal Title
  
  Journal of Advances in Modeling Earth Systems
  
  Volume: 16 Issue: 2
- DOI
  10.1029/2023ms003821
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K18822
[Journal Article] Performance Assessment of Irrigation Projects in Nepal by Integrating Landsat Images and Local Data2023
- Author(s)
  Neupane Adarsha、Sawada Yohei
- Journal Title
  
  Remote Sensing
  
  Volume: 15 Issue: 18 Pages: 4633-4633
- DOI
  10.3390/rs15184633
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K20967
[Journal Article] Global assessment of subnational drought impact based on the Geocoded Disasters dataset and land reanalysis2022
- Author(s)
  Kageyama Yuya、Sawada Yohei
- Journal Title
  
  Hydrology and Earth System Sciences
  
  Volume: 26 Issue: 18 Pages: 4707-4720
- DOI
  10.5194/hess-26-4707-2022
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K20967
[Journal Article] Soil moisture-vegetation interaction from near-global in-situ soil moisture measurements2022
- Author(s)
  Li Shuping、Sawada Yohei
- Journal Title
  
  Environmental Research Letters
  
  Volume: 17 Issue: 11 Pages: 114028-114028
- DOI
  10.1088/1748-9326/ac9c1f
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K20967
[Journal Article] Impact of cry wolf effects on social preparedness and the efficiency of flood early warning systems2022
- Author(s)
  Sawada Yohei、Kanai Rin、Kotani Hitomu
- Journal Title
  
  Hydrology and Earth System Sciences
  
  Volume: 26 Issue: 16 Pages: 4265-4278
- DOI
  10.5194/hess-26-4265-2022
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K18822
[Journal Article] MULTI-OBJECTIVE PARAMETER OPTIMIZATION AND UNCERTAINTY ASSESSMENT IN A LAND SURFACE MODEL BY MULTIPLE SATELLITES’ OBSERVATIONS2021
- Author(s)
  NOMURA Shuhei、SAWADA Yohei
- Journal Title
  
  Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)
  
  Volume: 77 Issue: 2 Pages: I_1351-I_1356
- DOI
  10.2208/jscejhe.77.2_I_1351
- NAID
  130008159993
- ISSN
  2185-467X
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K20967
[Journal Article] Drought Monitoring over West Africa Based on an Ecohydrological Simulation (2003?2018)2021
- Author(s)
  Tsutsui Hiroyuki、Sawada Yohei、Onuma Katsuhiro、Ito Hiroyuki、Koike Toshio
- Journal Title
  
  Hydrology
  
  Volume: 8 Issue: 4 Pages: 155-155
- DOI
  10.3390/hydrology8040155
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K20967
[Journal Article] Global Change in Terrestrial Ecosystem Detected by Fusion of Microwave and Optical Satellite Observations2021
- Author(s)
  Nara Hideharu、Sawada Yohei
- Journal Title
  
  Remote Sensing
  
  Volume: 13 Issue: 18 Pages: 3756-3756
- DOI
  10.3390/rs13183756
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K20967
[Journal Article] Machine Learning Accelerates Parameter Optimization and Uncertainty Assessment of a Land Surface Model2020
- Author(s)
  Sawada Yohei
- Journal Title
  
  Journal of Geophysical Research: Atmospheres
  
  Volume: 125 Issue: 20
- DOI
  10.1029/2020jd032688
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H03800
[Journal Article] Do surface lateral flows matter for data assimilation of soil moisture observations into hyperresolution land models?2020
- Author(s)
  Sawada Yohei
- Journal Title
  
  Hydrology and Earth System Sciences
  
  Volume: 24 Issue: 8 Pages: 3881-3898
- DOI
  10.5194/hess-24-3881-2020
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H03800
[Journal Article] Monitoring and predicting agricultural droughts for a water-limited sub-continental region by integrating a land surface model and microwave remote sensing2019
- Author(s)
  Sawada, Y., T. Koike, E. Ikoma, and M. Kitsuregawa
- Journal Title
  
  IEEE Transactions on Geoscience and Remote Sensing
  
  Volume: 58 Issue: 1 Pages: 14-33
- DOI
  10.1109/tgrs.2019.2927342
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H03800, KAKENHI-PROJECT-17K18352
[Journal Article] ブラジル北東域における植生動態－陸面結合データ同化手法による長期渇水解析に基づく穀物生産量・必要灌漑水量の推定に関する研究2019
- Author(s)
  筒井浩行, 澤田洋平, 生駒栄司, 喜連川優, 小池俊雄
- Journal Title
  
  土木学会論文集B1（水工学）
  
  Volume: 74 Pages: 1417-1422
- NAID
  130007940130
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H03800
[Journal Article] Multi-sector multi-region economic growth model of drought and the value of water: A case study in Pakistan2019
- Author(s)
  Yokomatsu, M, H. Ishiwata, Y. Sawada, Y. Suzuki, T. Koike, A. Naseer, and M. J. M. Cheema
- Journal Title
  
  International Journal of Disaster Risk Reduction
  
  Volume: 43 Pages: 101368-101368
- DOI
  10.1016/j.ijdrr.2019.101368
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03800, KAKENHI-PROJECT-17K18352
[Journal Article] ブラジル北東域における植生動態-陸面結合データ同化手法による長期渇水解析に基づく穀物生産量・必要灌漑水量の推定に関する研究2019
- Author(s)
  筒井浩行、澤田洋平、生駒英司、喜連川優、小池俊雄
- Journal Title
  
  水工学論文集
  
  Volume: 64
- NAID
  130007940130
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K18352
[Journal Article] Toward High-Resolution Soil Moisture Monitoring by Combining Active-Passive Microwave and Optical Vegetation Remote Sensing Products with Land Surface Model2019
- Author(s)
  Toride、Sawada、Aida、Koike
- Journal Title
  
  Sensors
  
  Volume: 19 Issue: 18 Pages: 3924-3924
- DOI
  10.3390/s19183924
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H03800, KAKENHI-PROJECT-17K18352
[Journal Article] ブラジル北東域における2005年歴史的渇水の植生動態－陸面結合データ同化によるモニタリング2018
- Author(s)
  筒井浩行・澤田洋平・小池俊雄
- Journal Title
  
  土木学会論文集B1
  
  Volume: 74-5
- NAID
  130007757778
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H03800
[Journal Article] Quantifying Drought Propagation from Soil Moisture to Vegetation Dynamics Using a Newly Developed Ecohydrological Land Reanalysis2018
- Author(s)
  Sawada Yohei
- Journal Title
  
  Remote Sensing
  
  Volume: 10 Issue: 8 Pages: 1197-1197
- DOI
  10.3390/rs10081197
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K18352
[Journal Article] Fusing Microwave and Optical Satellite Observations to Simultaneously Retrieve Surface Soil Moisture, Vegetation Water Content, and Surface Soil Roughness2017
- Author(s)
  Sawada Yohei、Koike Toshio、Aida Kentaro、Toride Kinya、Walker Jeffrey P.
- Journal Title
  
  IEEE Transactions on Geoscience and Remote Sensing
  
  Volume: 55 Issue: 11 Pages: 6195-6206
- DOI
  10.1109/tgrs.2017.2722468
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K18352
[Journal Article] Ground Truth of Passive Microwave Radiative Transfer on Vegetated Land Surfaces2017
- Author(s)
  Sawada Yohei、Tsutsui Hiroyuki、Koike Toshio
- Journal Title
  
  Remote Sensing
  
  Volume: 9 Issue: 7 Pages: 655-655
- DOI
  10.3390/rs9070655
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K18352
[Presentation] Uncertainty Quantification of Flood Hazards Focusing on Parameters of a Rainfall-Runoff-Inundation Coupled Model,2023
- Author(s)
  Naoki Hiura, Yohei Sawada
- Organizer
  AGU Fall Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18822
[Presentation] An efficient estimation of spatio-temporally distributed parameters in dynamic models by ensemble Kalman filter2023
- Author(s)
  Sawada, Y., Le Duc
- Organizer
  International Symposium of Data Assimilation (ISDA)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18822
[Presentation] Monitoring and Assessment of Global Patterns of Subnational droughts using Combined Drought Indicator and Geocoded Disaster Dataset2023
- Author(s)
  Sneha Kulkarni, Yohei Sawada
- Organizer
  EGU-2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K20967
[Presentation] Analyzing Flood Control Policy from the Perspective of Socio-Hydrological Interactions between Communities in Upstream and Downstream Regions.2023
- Author(s)
  Kei Aoki, Yohei Sawada
- Organizer
  AGU Fall meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18822
[Presentation] Droughts with No Hydro-Climatological Extremes.2023
- Author(s)
  Sneha Kulkarni, Yohei Sawada
- Organizer
  AGU Fall Meeting,
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K20967
[Presentation] 社会的に意思決定可能な豪雨・台風制御とは何か？2023
- Author(s)
  澤田洋平, Rezuanul Islam, Le Duc, 青木慧
- Organizer
  日本気象学会秋季大会
- Data Source
  KAKENHI-PROJECT-22K18822
[Presentation] An efficient estimation of time-varying parameters of dynamic models by combining offline batch optimization and online data assimilation2023
- Author(s)
  Sawada, Y.
- Organizer
  Japan Geoscience Union (JpGU) annual meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18822
[Presentation] 生態水文情報学：干ばつ監視・予測・制御のサイエンス2023
- Author(s)
  澤田洋平
- Organizer
  東大水フォーラム公開シンポジウム
- Invited
- Data Source
  KAKENHI-PROJECT-23K20967
[Presentation] Modeling the Dynamics of Social Preparedness with Regional Interactions to Realize Impact-based Flood Early Warning System2022
- Author(s)
  Hitomu Kotani, Wataru Ogawa, Kakuya Matsushima, Junichi Susaki, & Yohei Sawada.
- Organizer
  AGU Fall Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18822
[Presentation] AMSR-E/AMSR2に基づく長期陸域生態水文観測/再解析を基軸とした陸域生態系変動と干ばつの解析2022
- Author(s)
  澤田洋平, 筒井浩行, 藤井秀幸, 奈良秀春, 影山雄哉, 小池俊雄
- Organizer
  日本気象学会秋季大会
- Data Source
  KAKENHI-PROJECT-23K20967
[Presentation] Ecohydrological land reanalysis by assimilating satellite microwave observations into a land surface model2022
- Author(s)
  Sawada, Y., H. Tsutsui, H. Fujii, and T. Koike
- Organizer
  International Symposium of Data Assimilation (ISDA) Online
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K20967
[Presentation] 可視域とマイクロ波領域の衛星観測の融合による陸域生態系監視2022
- Author(s)
  澤田洋平
- Organizer
  リモセン虎の穴セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-23K20967
[Presentation] Global assessment of sub-national drought impact based on the Geocoded Disasters dataset and land reanalysis2022
- Author(s)
  Sawada, Y., and Y. Kageyama
- Organizer
  AGU Fall meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K20967
[Presentation] Soil moisture-vegetation correlation from 733 in-situ soil moisture observations2021
- Author(s)
  Li, S. and Y. Sawada
- Organizer
  AGU Fall meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K20967
[Presentation] 極端水文気象現象に対する予測の不確実性定量化2021
- Author(s)
  澤田洋平
- Organizer
  第10回JCAHPCセミナー
- Invited
- Data Source
  KAKENHI-PROJECT-23K20967
[Presentation] Ecohydrological land reanalysis2021
- Author(s)
  Sawada, Y., H. Fujii, H. Tsutsui, and T. Koike
- Organizer
  AGU Fall meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K20967
[Presentation] Machine learning accelerates parameter optimization and uncertainty assessment of an ecosystem model2020
- Author(s)
  Yohei Sawada
- Organizer
  JpGU-AGU joint meeting virtual
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03800
[Presentation] An ecohydrological land reanalysis by integrating simulation and satellite observations2019
- Author(s)
  Sawada, Y., T. Nakaegawa, K. Okamoto, and H. Fujii
- Organizer
  JpGU annual meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K18352
[Presentation] Toward hyperresolution land data assimilation to monitor terrestrial water, energy, ecosystem, and hydrological disasters2019
- Author(s)
  Yohei Sawada
- Organizer
  International Symposium on Data Assimilation 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K18352
[Presentation] Satellite microwave observation to monitor and predict ecohydrological conditions: a land data assimilation approach2019
- Author(s)
  Sawada, Y., H. Tsutsui, T. Koike, E. Ikoma, and M. Kitsuregawa
- Organizer
  American Geophysical Union Fall Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K18352
[Presentation] Do surface lateral flows matter for land data assimilation?: Implication for hyper-resolution land modeling and observation2019
- Author(s)
  Yohei Sawada
- Organizer
  JpGU annual meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K18352
[Presentation] データ駆動型アプローチが加速する地球科学シミュレーションの不確実性定量化2019
- Author(s)
  澤田洋平
- Organizer
  日本気象学会秋季大会
- Data Source
  KAKENHI-PROJECT-17K18352
[Presentation] Machine learning accelerates parameter optimization and uncertainty quantification of a land surface model2019
- Author(s)
  Sawada, Yohei
- Organizer
  American Geophysical Union Fall Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K18352
[Presentation] 生態水文モデリングと衛星データ同化による陸域再解析2018
- Author(s)
  澤田洋平
- Organizer
  次世代陸モデル開発・応用・社会実装に関する合同ワークショップ
- Data Source
  KAKENHI-PROJECT-17K18352
[Presentation] Eco-hydrological land data assimilation to monitor terrestrial water, ecosystem, and hydrological disasters2018
- Author(s)
  Yohei Sawada
- Organizer
  Japan Geoscience Union Annual meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K18352
[Presentation] Do lateral flows matter for data assimilation of soil moisture observation into hyperresolution hydrological models?2018
- Author(s)
  Yohei Sawada
- Organizer
  American Geophysical Union Fall Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K18352
[Presentation] 衛星観測マイクロ波放射輝度を同化した陸域水文・生態系の再解析2018
- Author(s)
  澤田洋平
- Organizer
  日本気象学会春季大会
- Data Source
  KAKENHI-PROJECT-17K18352
[Presentation] Ecohydrological Land Analysis: Assimilating satellite microwave observations into a land surface model to simultaneously simulate soil moisture and vegetation dynamics2018
- Author(s)
  Yohei Sawada
- Organizer
  Joint Workshop of the 2nd International Surface Working Group (ISWG) and 8th Land Surface Analysis Satellite Application Facility (LSA-SAF)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K18352
[Presentation] Towards ecohydrological drought monitoring and prediction using a land data assimilation system2017
- Author(s)
  Yohei Sawada
- Organizer
  Hydrology delivers Earth System Sciences to Society 4
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K18352
[Presentation] Ecohydrological drought monitoring and prediction using a land data assimilation system2017
- Author(s)
  Yohei Sawada
- Organizer
  American Geophysical Union Fall Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K18352

1. KOIKE Toshio (30178173)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
2. 浅沼順 (40293261)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. 瀬戸里枝 (70799436)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 小谷仁務 (30814404)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results

Sawada Yohei 澤田 洋平

SAWADA Yohei 澤田 洋平

Research Projects

Research Products

Co-Researchers

Theoretical and empirical analysis on cry wolf effects in flood prediction: Challenge for the design of flood early warning systemPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Global integrated probabilistic forecasting of agricultural droughtsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Monitoring and Prediction of Hydrological Extreme Events by Satellite Microwave Remote Sensing

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

A hyper-resolution land data assimilation systemPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] An Efficient and Robust Estimation of Spatio‐Temporally Distributed Parameters in Dynamic Models by an Ensemble Kalman Filter2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Performance Assessment of Irrigation Projects in Nepal by Integrating Landsat Images and Local Data2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Global assessment of subnational drought impact based on the Geocoded Disasters dataset and land reanalysis2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Soil moisture-vegetation interaction from near-global in-situ soil moisture measurements2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Impact of cry wolf effects on social preparedness and the efficiency of flood early warning systems2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] MULTI-OBJECTIVE PARAMETER OPTIMIZATION AND UNCERTAINTY ASSESSMENT IN A LAND SURFACE MODEL BY MULTIPLE SATELLITES’ OBSERVATIONS2021

Author(s)

Journal Title

DOI

NAID

ISSN

Language

Data Source

[Journal Article] Drought Monitoring over West Africa Based on an Ecohydrological Simulation (2003?2018)2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Global Change in Terrestrial Ecosystem Detected by Fusion of Microwave and Optical Satellite Observations2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Machine Learning Accelerates Parameter Optimization and Uncertainty Assessment of a Land Surface Model2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Do surface lateral flows matter for data assimilation of soil moisture observations into hyperresolution land models?2020

Author(s)

Journal Title

Sawada Yohei 澤田洋平

SAWADA Yohei 澤田洋平