Dairaku Koji

Affiliation
Institute of Systems and Information Engineering
Official title
Associate Professor
Email
+96>G6@JXgc@OaIHJ@J76a68a?E
Office
3F312
Research fields
Hydraulic engineering
Research keywords
Hydrometeorology
Water Cycle
Regional Climate
Downscaling
Large Scale Simulation
Environmental Disaster Prevention
Water Hazard Risk Information
Career history
2019-04 -- (current)University of TsukubaGraduate School of Systems and Information EngineeringAssociate Professor
2019-07 -- 2020-03国立研究開発法人 防災科学技術研究所社会防災システム研究部門Principal Research Fellow
2016-09 -- 2019-03Malaysia-Japan International Institute of Technology (MJIIT)防災修士プログラム(MDRM)Visiting Associate Professor
2016-04 -- 2019-03国立研究開発法人 防災科学技術研究所社会防災システム研究部門Senior Researcher
2011-04 -- 2016-03National Research Institute for Earth Science and Disaster Prevention社会防災システム研究領域Senior Researcher
2010-10 -- 2011-03National Research Institute for Earth Science and Disaster Prevention防災システム研究センターSenior Researcher
2009-06 -- 2010-05University of Colorado at BoulderCooperative Institute for Research in Environmental Sciences (CIRES)Research Associate (Visiting Scientist)
2009-04 -- 2010-09National Research Institute for Earth Science and Disaster Prevention水・土砂防災研究部Senior Researcher
2008-07 -- 2009-03National Research Institute for Earth Science and Disaster Prevention水・土砂防災研究部Researcher
2006-04 -- 2008-06National Research Institute for Earth Science and Disaster Prevention水・土砂防災研究部Researcher
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Academic background
2000-04 -- 2003-03The University of Tokyo Graduate School of Engineering Department of Civil Engineering
Degree
1998-03DiplomaThe University of Tokyo
2000-03MScThe University of Tokyo
2003-03Ph. DThe University of Tokyo
Licenses and qualifications
2002-03Type-1 High school teaching license for Science
2002-03Type-1 Junior high school teaching license for Science
Academic societies
-- (current)日本気象学会
-- (current)土木学会
-- (current)水文・水資源学会
-- (current)The Asia Pacific Association of Hydrology and Water Resources (APHW)
-- (current)Asia Oceania Geosciences Society (AOGS)
-- (current)American Geophysical Union (AGU)
Honors & Awards
2023-03Degree Program in Engineering Mechanics and Energy (EME) Degree Program Director's awardExcellent publication and high reputation
2022-03Outstanding Discussion AwardOutstanding discussions at the Conference on Hydraulic Engineering
2022-12AGU 2022 Outstanding Student Presentation Award (OSPA)Building a high-resolution climate dataset for Vietnam based on ERA5-Land and In-situ data
2023-07-09Best Presentation AwardUncertainty Analysis of PERSIANN-family Precipitation Products over Himalayan Mountains of Pakistan, South Asia
Articles
  • Aerosol Forcing dominating the late-summer precipitation change over East Asia transitional climatic zone in CMIP6 Model
    Adigun Paul Ayodele; Koji Dairaku; Precious Ebiendele Er...
    Advances in Science, Technology & Innovation (ASTI), 2022-11
  • Hybrid Statistical Downscaling in Reducing Bias in drivers of Compound Wet-warm extremes during the West African Summer Monsoon Season
    Precious Ebiendele Eromosele; Koji Dairaku; Adigun Paul ...
    Advances in Science, Technology & Innovation (ASTI), 2023-11
  • Soil Moisture Feedback and Moisture Convergence Associated with Surface Water over Africa in 1981-2019 and Projections under a Warming World
    Hong Nguyen Ngoc Kim; Koji Dairaku
    Advances in Science, Technology & Innovation (ASTI), 2023-11
  • GPM-IMERG, PERSIANN-PDIR, and CHIRPS 2.0 Rainfall Data Accuracy Assessment for Capturing Extreme Weather Events in the Karakoram Mountains of South Asia
    Umar Nadeem Muhammad; Koji Dairaku
    Euro-Mediterranean Journal for Environmental Integration, 2023-10-03
  • Assessment of Reanalysis Wind Speeds Datasets against the HadISD Dataset over South Asia
    Khan Muhammad Abid; Koji Dairaku; Saurabh Kelkar
    Advances in Science, Technology & Innovation (ASTI), 2023-11
  • Assessing Added Value of Dynamical Downscaling for Wind Speed over South Asia: A Distribution Added Value Approach
    Abid Khan Muhammad; Dairaku Koji; Kelkar Saurabh
    Advances in Science, Technology & Innovation (ASTI), 2023-11
  • Investigation of Uncertainties in Multi-variable Bias Adjustment in Multi-model Ensemble
    Kelkar Saurabh; Dairaku Koji
    Proceedings of IAHS, Special issue: ICFM9 – River Basin Disaster Resilience and Sustainability by All, 2023-12
  • The potential impact of increased urbanization on land surface temperature over South-West Nigeria
    Adawa Ifeoluwa Seun; Adigun Paul Ayodele; Koji Dairaku; S...
    CURRENT RESEARCH IN ENVIRONMENTAL SUSTAINABILITY/4, 2022-04
Conference, etc.
  • AN APPROACH FOR INDEPENDENT ANALYSIS IN BUILDING A HIGH-RESOLUTION CLIMATE DATASET FOR VIETNAM BY USING CRESSMAN INTERPOLATION METHOD
    Hong Nguyen Ngoc Kim; Thanh Ngo Duc; Dairaku Koji
    AGU Fall Meeting 2022/2022-12-15
  • BUILDING A HIGH-RESOLUTION CLIMATE DATASET FOR VIETNAM BASED ON ERA5-LAND AND IN-SITU DATA
    Hong Nguyen Ngoc Kim; Thanh Ngo Duc; Dairaku Koji
    AGU Fall Meeting 2022/2022-12-16
  • Soil moisture feedbacks and drought-related impacts over Africa
    Hong Nguyen Ngoc Kim; Dairaku Koji
    Japan Geoscience Union Meeting 2023/2023-05-23
  • Drought-related Impacts and the Role of Soil Moisture Feedback in Africa
    Hong Nguyen Ngoc Kim; Dairaku Koji
    International Conference on Regional Climate-CORDEX 2023 (ICRC-CORDEX 2023)/2023-09-27
  • Development of a High-Resolution Gridded Climate Dataset for Vietnam by blending ERA5-Land and in-situ data in the period 1981-2019
    Hong Nguyen Ngoc Kim; Thanh Ngo Duc; Dairaku Koji
    International Conference on Regional Climate-CORDEX 2023 (ICRC-CORDEX 2023)/2023-09-28
  • Investigating Atmospheric Moisture Source and Vapor Pressure Deficit over the African Continent in Historical and Warmer Climate Scenarios
    Hong Nguyen Ngoc Kim; Dairaku Koji
    AGU Fall Meeting 2023/2024-01-23
  • A contribution to the development of high-resolution climate-gridded temperature, precipitation dataset for Vietnam from 1981-2019
    Hong Nguyen Ngoc Kim; Thanh Ngo Duc; Koji Dairaku
    Japan Geoscience Union Meeting 2023/2023-05-22
  • Soil moisture feedback and moisture convergence associated with surface water over Africa in 1981-2019 and projections under a warming world
    Hong Nguyen Ngoc Kim; Dairaku Koji
    Mediterranean Geosciences Union Annual Meeting (MedGU-23)/2023-11-27
  • Investigation of Uncertainties in Added values and Multi-variable Bias Adjustment of Drivers of Heat Stress
    Kelkar Saurabh; Dairaku Koji
    IITM Hub - International Conference on Regional Climate-CORDEX 2023 (ICRC-CORDEX 2023)/2023-09-25
  • Investigation of Uncertainties in Multi-variable Bias Adjustment in Multi-model Ensemble
    Kelkar Saurabh; Dairaku Koji
    9th International Conference on Flood Management (ICFM9)/2023-02-19
  • Soil Moisture Feedbacks and Their Sources over Africa with Potential Impacts on Water Availability under RCP 8.5 Pathway
    Hong Nguyen Ngoc Kim; Dairaku Koji
    AGU Fall Meeting 2023/2024-01-25
  • Risk and Vulnerability Assessment of Heat Stress in Japan using Adaptation Model and Ensemble of Regional Climate Models
    Kelkar Saurabh; Dairaku Koji
    AGU Fall Meeting 2022/2022-12-13
  • Evaluation of Added Values in Regional Climate Information with multi-variable bias adjustment over Japan
    Dairaku Koji; Kelkar Saurabh
    AGU Fall Meeting 2022/2022-12-16
  • Assessment of Uncertainties and Added Values in downscaling Multi-model Ensemble
    Dairaku Koji; Kelkar Saurabh
    AGU Fall Meeting 2022/2022-12-15
  • Investigation of Uncertainties in Multi-variable Bias Adjustment of Drivers of Heat Stress
    Kelkar Saurabh; Dairaku Koji
    Annual conference of Japan Society of Hydrology and Water Resources/Japanese Association of Hydrological Sciences/2022-09-04
  • Added Values in Regional Climate Information with Multi-variable Bias Adjustment over Japan
    Saurabh Kelkar; Koji Dairaku
    The CORDEX Southeast Asia Workshop 2022/2022-11-08
  • Investigation of Uncertainties in Added values and Multivariable Bias Adjustment of Drivers of Heat Stress
    Saurabh Kelkar; Koji Dairaku
    Japan Geoscience Union Meeting 2022/2022-05-22
  • Investigation of added values in multi-model and multivariable bias adjustments for heat stress assessment
    Saurabh Kelkar; Koji Dairaku
    European Geoscience Union General Assembly 2022/2022-05-23
  • GPM-IMERG, PERSIANN-PDIR, and CHIRPS 2.0 Rainfall Data Accuracy Assessment for Capturing Extreme Weather Events in the Karakoram Mountains of South Asia
    Umar Nadeem Muhammad; Dairaku Koji
    5th Euro-Mediterranean Conference for Environmental Integration/2023-10-03
  • Evaluation of Satellite datasets over the limited gauge network of Pakistan
    Umar Nadeem Muhammad; Dairaku Koji
    International Poster Session organized by System and Information and Engineering, University of Tsukuba/2023-09-28
  • Uncertainty Analysis of PERSIANN-family Precipitation Products over Himalayan Mountains of Pakistan, South Asia
    Umar Nadeem Muhammad; Dairaku Koji
    International Young Scientists Forum on Ecology and Resource Sustainable Development of Silk Road/2023-07-09
  • A Combined Approach for Runoff Estimation of Jhelum River Using Satellite and In-situ Gauge Data
    Umar Nadeem Muhammad; Dairaku Koji
    IITM Hub - International Conference on Regional Climate-CORDEX 2023 (ICRC-CORDEX 2023)/2023-09-26
  • Investigation of Uncertainties in Regional Climate Information
    Kelkar Saurabh; Dairaku Koji
    Annual conference of Japan Society of Hydrology and Water Resources/Japanese Association of Hydrological Sciences/2021-09-15
  • Investigation of Uncertainties in Regional Climate Information
    Saurabh Kelkar; Koji Dairaku
    Japan Geoscience Union Meeting 2021/2021-05-30
Teaching
2023-10 -- 2024-02Seminar in Engineering Mechanics and Energy BUniversity of Tsukuba.
2023-10 -- 2024-02Research in Engineering Mechanics and Energy IIbUniversity of Tsukuba.
2023-10 -- 2023-12Learning and Ethics of ResearchUniversity of Tsukuba.
2023-10 -- 2024-02Seminar in Engineering Mechanics and Energy IIbUniversity of Tsukuba.
2023-10 -- 2024-02Applied Laboratory of Environmental Development EngineeringUniversity of Tsukuba.
2023-04 -- 2023-08Seminar in Engineering Mechanics and Energy IIaUniversity of Tsukuba.
2023-10 -- 2024-02Seminar in Engineering Mechanics and Energy IbUniversity of Tsukuba.
2023-10 -- 2024-02Research in Engineering Mechanics and Energy IbUniversity of Tsukuba.
2023-10 -- 2024-02Applied Laboratory of Energy EngineeringUniversity of Tsukuba.
2023-10 -- 2024-02Research in Engineering Mechanics and Energy BUniversity of Tsukuba.
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(Last updated: 2024-03-05)