Organization
Faculty of Environmental, Life, Natural Science and Technology Associate Professor
Position
Associate Professor
Homepage
External link
TSUJIMOTO Kumiko
Degree
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Dr. Eng ( 2009.3 The University of Tokyo )
Research Interests
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soil physics
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meteorology
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soil moisture
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hydrology
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科学技術外交
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Microwave remote sensing
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land surface process
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land-atmosphere intaraction
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agricultural land management
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途上国支援
Research Areas
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Environmental Science/Agriculture Science / Rural environmental engineering and planning / かんがい排水学、水文・気象学
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Social Infrastructure (Civil Engineering, Architecture, Disaster Prevention) / Hydroengineering / hydrology
Education
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The University of Tokyo 大学院工学系研究科 社会基盤学専攻
2006.4 - 2009.3
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Kyoto University 地球環境学舎 環境マネジメント専攻
2004.4 - 2006.3
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Kyoto University 農学部 生産環境科学科
2000.4 - 2004.3
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奈良県立奈良高等学校
1997.4 - 2000.3
Research History
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Okayama University Graduate School of Environmental, Life, Natural Science and Technology Associate Professor
2024.5
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岡山大学グリーンイノベーションセンター 准教授（兼任）
2024.4
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Okayama University
2023.5
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岡山大学学術研究院環境生命自然科学学域 助教
2023.4 - 2024.5
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岡山大学グリーンイノベーションセンター 助教
2022.4 - 2024.3
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Okayama University Graduate School of Environmental and Life Science Assistant Professor
2021.4 - 2023.3
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Okayama University Graduate School of Environmental and Life Science Assistant Professor
2017.4 - 2021.3
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The University of Tokyo Department of Civil Engineering Research Associate
2012.7 - 2017.3
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The University of Tokyo Department of Civil Engineering Project Research Associate
2012.4 - 2012.6
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The University of Tokyo Earth Date Integration and Fusion Research Initiative (EDITORIA) Project Research Associate
2009.4 - 2012.3
Professional Memberships
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Japanese Society of Soil Physics
2019.7
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European Geosciences Union
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The Japanese Society of Irrigation, Drainage and Rural Engineering
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Japan Geoscience Union
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Asia Oceania Geosciences Society
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Japan Society of Civil Engineers
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Japan Society of Hydrology and Water Resources
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Institute of Electrical and Electronics Engineers (IEEE)
Committee Memberships
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国際水田・水環境工学会（PAWEES） 2025年盛岡大会 大会実行委員会 委員
2024.12
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岡山市 基本政策審議会 委員
2024.11
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農業農村工学会 学会誌企画・編集委員会 委員
2024.10
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土壌物理学会 研究奨励賞専門委員会 委員
2024.7
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土木学会 水工学オンライン小委員会 委員
2024.6
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秋田県立大学・国際教養大学 学外講師
2024.3
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独立行政法人国際協力機構（JICA） 農業・農村開発協力における気候変動対策等の推進に関する課題別支援委員会委員
2023.9
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岡山県立岡山城東高等学校 指導助言者
2023.9 - 2024.1
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土木学会 論文集（水工学）編集小委員会 委員（水文・水資源部門）
2023.6
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一般財団法人日本宇宙フォーラム ALOS-2アーカイブデータを用いた事業化実証における検討委員
2023.6 - 2024.3
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農林水産省 独立行政法人評価有識者会議 委員
2023.4
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広島工業大学 学外講師
2022.11
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国際協力機構（JICA） 農業・農村開発協力における気候変動対策の取組に関する検討会委員
2022.5 - 2023.3
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岡山市公害対策審議会 委員
2021.4
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岡山市浸水対策推進協議会 委員
2021.4
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宇宙航空研究開発機構（JAXA） 地球観測に関する科学アドバイザリ委員会分科会メンバー
2020.8
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International Commission on Irrigation and Drainage International Commission on Irrigation and Drainage
2019.9
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河川情報センター（FRICS） 嘱託研究員
2016.8 - 2017.3
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宇宙航空研究開発機構（JAXA） 降水観測ミッション（PMM）利用検討委員会委員および利用推進分科会メンバー
2015.5 - 2020.3
Committee type：Other
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国際協力機構（JICA） 国別研修講師
2015.5 - 2015.6
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国際協力機構（JICA） 国別研修講師
2014.4
Papers
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Validation of AMSR2 and SMOS soil moisture products with worldwide in-situ observations from 2012 to 2020 Reviewed
Kumiko Tsujimoto, Tetsu Ohta
The Journal of Japan Society of Civil Engineers 2024
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人工衛星搭載マイクロ波放射計AMSR2に基づく全球土壌水分量推定アルゴリズムの改良提案と結果の検証 Reviewed
辻本久美子, 太田哲
土木学会論文集B1(水工学) 2023
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Comparison of the Dobson model with other dielectric models at the C-band microwave band Invited Reviewed
Kumiko Tsujimoto
Journal of JJSCE 2023
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Effect of the change of the wet-soil dielectric model in the microwave soil moisture retrieval algorithm from satellite Reviewed
Kumiko Tsujimoto, Tetsu Ohta
The Journal of Japan Society of Civil Engineers 78 ( 2 ) I_517 - I_522 2022.11
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Dielectric behavior of wet soils in the 1-36 GHz microwave range: Modeling and validation Reviewed
Kumiko Tsujimoto, Tetsu Ohta, Hideyuki Fujii, Mitsuru Komatsu
Journal of the Japanese Society of Soil Physics 151 ( 151 ) 3 - 24 2022.7
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Backwater Effect of Clogging of Aquatic Plants at Fine-Particle Screens on Inland Flooding in Okayama Reviewed
Takumi Inaba, Kumiko Tsujimoto, Yoshitaka Nakashima
Water 14 ( 13 ) 1980 - 1980 2022.6
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Quantifying the GCM-related uncertainty for climate change impact assessment of rainfed rice production in Cambodia by a combined hydrologic - rice growth model Reviewed
Kumiko Tsujimoto, Nana Kuriya, Tetsu Ohta, Koki Homma, Monichoth So Im
Ecological Modelling 464 109815 - 109815 2022.2
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Kumiko Tsujimoto, Kotaro Ono, Tetsu Ohta, Koemorn Chea, E-Nieng Muth, Sanara Hor, Lyda Hok
Paddy and Water Environment 19 ( 4 ) 635 - 648 2021.7
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Dielectric mixing models of moist soils for microwave satellite observation of soil moisture: a theoretical analysis Reviewed
Kumiko Tsujimoto
75 ( 2 ) I_7 - I_12 2019.8
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When do rice terraces become rice terraces? Invited Reviewed
Yasushi Mori, Masaya Sasaki, Eisei Morioka, Kumiko Tsujimoto
Paddy and Water Environment 1 ( 8 ) 2019.3
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Estimation of planting date in paddy fields by time-series MODIS data for basin-scale rice production modeling. Invited Reviewed
Kumiko Tsujimoto, Tetsu Ohta, Yoshihiro Hirooka, Koki Homma
Paddy and Water Environment 1 ( 8 ) 2019.3
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Numerical and experimental study on the risk of paddy field damage due to river bank breach during serious floods. Invited Reviewed
Tetsuro Tsujimoto, Kumiko Tsujimoto
Paddy and Water Environment 1 ( 8 ) 2019.3
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Land-Lake-Atmosphere Interaction under Global Climate Change and Regional Landuse Change over a Large Tropical Lake and its Vicinities: case study in Cambodia
Kumiko Tsujimoto
Environmental Risks for Socioeconomic Development: Proceedings of the 3rd (2nd STEPS) Russian-Japanese Collaboration Seminar for Sustainable Development 171 - 176 2018.9
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Diurnal pattern of rainfall in Cambodia: its regional characteristics and local circulation Reviewed
Kumiko Tsujimoto, Tetsu Ohta, Kentaro Aida, Katsunori Tamakawa, Monichoth So Im
Progress in Earth and Planetary Science 39 ( 5 ) 2018.8
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Parallel improvement of hydrological simulation and microwave satellite soil moisture observation with a unified soil water model Reviewed
Kumiko Tsujimoto, Tetsu Ohta, Yasushi Mori
The Journal of Japan Society of Civil Engineers 74 ( 4 ) I_979 - I_984 2018.2
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When do rice terraces become rice terraces? Reviewed
Yasushi Mori, Masaya Sasaki, Eisei Morioka, Kumiko Tsujimoto
proceedings of PAWEES-INWEPF 2018
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Estimation of planting date in paddy fields by time-series MODIS data for basin-scale rice production modelling Reviewed
Kumiko Tsujimoto, Tetsu Ohta, Yoshihiro Hirooka, Koki Homma
proceedings of PAWEES-INWEPF 2018
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Risk of paddy field damage due to river bank breach during serious flood Reviewed
Tetsuro Tsujimoto, Kumiko Tsujimoto
proceedings of PAWEES-INWEPF 2018
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Climate change impact on rice production in Musi river basin in Indonesia
Koki Homma, Toshio Koike, Kumiko Tsujimoto, Tetsu Ohta
Journal of Earth Science & Climatic Change 08 ( 10 ) 31 2017
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Evaluation of cultivation environment and management based on LAI measurement in farmers' paddy fields in Pursat province, Cambodia
Yoshihiro Hirooka, Koki Homma, Taisuke Kodo, Tatsuhiko Shiraiwa, Kim Soben, Mithona Chann, Kumiko Tsujimoto, Katsunori Tamagawa, Toshio Koike
FIELD CROPS RESEARCH 199 150 - 155 2016.12
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Investigation of the estimation of soil moisture at the Cambodia Pursat station by using LDAS-UT Reviewed
Katsunori Tamagawa, Rasmy Mohamed, Toshio Koike, Kumiko Tsujimoto, Kentaro Aida, Hideyuki Fujii, Takao Masumoto
The Journal of Japan Society of Civil Engineers 71 ( 4 ) I_409 - I_414 2015
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Validation of satellite precipitation products over Cambodia Reviewed
Kumiko Tsujimoto, Toshio Koike, Monichoth So Im, Kentaro Aida, Katsunori Tamagawa, Tomoyuki Nukui, Shin'ichi Sobue
Transactions of the Japan Society for Aeronautical and Space Sciences, Aerospace Technology Japan 12 ( ists29 ) Tn_41 - Tn_46 2014
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Water and Food Security under Climate Change in Cambodia Reviewed
Monichoth So Im, Kumiko Tsujimoto, Kentaro Aida, Katsunori Tamagawa, Tetsu Ohta, Toshio Koike, Tomoyuki Nukui, Shin'ichi Sobue, Koki Homma
Transactions of the Japan Society for Aeronautical and Space Sciences, Aerospace Technology Japan 12 ( ists29 ) Tn_31 - Tn_39 2014
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Tetsu Ohta, Kumiko Tsujimoto, Koki Homma, Toshio Koike, Monichoth So Im
The Journal of Japan Society of Civil Engineers 70 ( 4 ) I_265 - I_270 2014
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Onset of the Asian Summer Monsoon and land-atmosphere interaction over the Indochina Peninsula Reviewed
Kumiko Tsujimoto, Toshio Koike
The Journal of Japan Society of Civil Engineers 70 ( 4 ) I_295 - I_300 2014
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Land-lake breezes at low latitudes: The case of Tonle Sap Lake in Cambodia Reviewed
Kumiko Tsujimoto, Toshio Koike
Journal of Geophysical Research Atmospheres 118 ( 13 ) 6970 - 6980 2013.7
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Land-lake breezes at low latitudes: The case of Tonle Sap Lake in Cambodia Reviewed
Kumiko Tsujimoto, Toshio Koike
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 118 ( 13 ) 6970 - 6980 2013.7
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Development of Soil Moisture Algorithm Using ALOS/PALSAR in Paddy Field, Cambodia
Kentaro Aida, Toshio Koike, Monichoth So Im, Kumiko Tsujimoto, Katsunori Tamagawa, Tomoyuki Nukui, Shin'ichi Sobue, Shi, J
proceedings of 29th International Symposium on Space Technology and Science 2013
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Katsunori Tamagawa, Rasmy Mohamed, Toshio Koike, Kumiko Tsujimoto, Kentaro Aida
Investigation of, he, Estimation of, Soil moisture, the Soil Parameter in, the Dry Season in, Cambodia, Using the La, Data Assimilation, System Developed at the, University of Tokyo, LDAS-UT
SANE 113 ( 88 ) 31 - 34 2013
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Kumiko Tsujimoto, Koki Homma, Toshio Koike, Tetsu Ohta
The Journal of Japan Society of Civil Engineers 69 ( 4 ) I_511 - I_516 2013
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Katsunori Tamagawa, Mohamed Rasmy, Kentaro Aida, Kumiko Tsujimoto, Toshio Koike, Monichoth So Im, Tomoyuki Nukui, Shin'ichi Sobue
Katsunori Tamagawa, Mohamed Rasmy, Kentaro Aida, Kumiko Tsujimoto, Toshio Koike, Monichoth So Im, Tomoyuki Nukui, Shin'ichi Sobue
proceedings of 29th International Symposium on Space Technology and Science 2013
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Validation of satellite precipitation products over Cambodia
Kumiko TsujimotoKumiko Tsujimoto, Toshio Koike, Monichoth So Im, Kentaro Aida, Katsunori Tamagawa, Tomoyuki Nukui, Shin'ichi Sobue
proceedings of 29th International Symposium on Space Technology and Science 12 ( ists29 ) Tn_41 - Tn_46 2013
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Water and Food Security under Climate Change in Cambodia
Monichoth So Im, Kumiko Tsujimoto, Kentaro Aida, Katsunori Tamagawa, Tetsu Ohta, Toshio Koike, Tomoyuki Nukui, Shin'ichi Sobue, Koki Homma
proceedings of 29th International Symposium on Space Technology and Science 12 ( ists29 ) Tn_31 - Tn_39 2013
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Requisite Conditions for post-monsoon rainfall in Cambodia by looking through 2009 rainfall data Invited Reviewed
Kumiko Tsujimoto, Toshio Koike
Journal of Hydroscience and Hydraulic Engineering 30 ( 1 ) 1 - 14 2012
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Two diurnal cycle systems with different spatial scales and their effects on the post-monsoon rainfall in the inland of the Indochina Peninsula Reviewed
Kumiko Tsujimoto, Toshio Koike
The Journal of Japan Society of Civil Engineers 68 ( 4 ) I_451 - I_456 2012
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Interaction of large-scale atmospheric condition and local circulation which affects Cambodian post-monsoon rainfalls Reviewed
Kumiko Tsujimoto, Toshio Koike
The Journal of Japan Society of Civil Engineers 67 ( 4 ) I_463 - I_468 2011
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GEWEX/iLEAPS合同国際会議参加報告 Invited Reviewed
萬和明, 山崎大, 吉田龍平, 新田友子, Pokhrel,Y, 辻本久美子, 平林由希子, 田中賢治, 檜山哲哉
水文・水資源学会誌 23 ( 1 ) 83 - 91 2010
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メコン河下流域における湖と大気水循環の相互作用と地域水利用への影響
辻本 久美子
東京大学 2009
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Effects of the locally-induced precipitation of the stream flow during the dry season at the vicinities of Tonle Sap Lake Reviewed
Kumiko Tsujimoto, Toshio Koike
Annual Journal of Hydraulic Engineering 53 337 - 342 2009
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Seasonal changes in radiation and evaporation implied from the diurnal distribution of rainfall in the Lower Mekong Reviewed
Tsujimoto Kumiko, Masumoto Takao, Mitsuno Toru
HYDROLOGICAL PROCESSES 22 ( 9 ) 1257 - 1266 2008.4
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Mechanism of locally-induced convection development and its effects on vapor transportation over Tonle Sap Lake Area Reviewed
Kumiko Tsujimoto, Toshio Koike
Annual Journal of Hydraulic Engineering 52 247 - 252 2008
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Takao Masumoto, Kumiko Tsujimoto, Hiroaki Somura
Technical report of the National Institute for Rural Engineering 206 ( 206 ) 219 - 236 2007
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Tsujimoto Kumiko, Masumoto Takao, Mitsuno Toru
Proceeding of Annual Conference 18 39 - 39 2005
Books
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Water and Life in Tonle Sap Lake
（ Role： Contributor , Climate and Rainfall）
Springer Singapore 2022.7 （ ISBN:9789811666315 ）
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First steps in conservation and restoration, A Banaue story: restoring a world heritage treasure
Yasushi Mori, Kumiko Tsujimoto（ Role： Contributor）
Universal Harvester Inc. 2018
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Environmental Risks for Socioeconomic Development: Proceedings of the 3rd (2nd STEPS) Russian-Japanese Collaboration Seminar for Sustainable Development
（ Role： Contributor , Land-Lake-Atmosphere Interaction under Global Climate Change and Regional Landuse Change over a Large Tropical Lake and its Vicinities: case study in Cambodia）
Land-Lake-Atmosphere Interaction under Global Climate Change and Regional Landuse Change over a Large Tropical Lake and its Vicinities: case study in Cambodia 2018
MISC
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論文賞を受賞して Invited
辻本久美子
土粒子 156 83 - 85 2024.3
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みんなのミニレビュー：土壌水分の衛星広域観測と湿潤土壌誘電率
辻本久美子
土壌の物理性 150 62 - 63 2022.3
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私のビジョン：農業農村工学分野での研究・教育について考えること Invited Reviewed
Journal of the Japanese society of irrigation, drainage, and rural engineering 88 ( 8 ) 682 - 684 2020.8
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カンボジア・トンレサップ湖周辺域における湖上と水田地帯での乱流フラックス観測
辻本久美子, 小池俊雄, 田中健路, 会田健太郎, 玉川勝徳
日本農業気象学会全国大会講演要旨/Proceedings of International Symposium on Agricultural Meteorology 2016 77 2016
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APN science bulletin : global environmental change 5 26 - 28 2015.3
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Investigation of the Estimation of Soil moisture and the Soil Parameter in the Dry Season in Cambodia Using the Land Data Assimilation System Developed at the University of Tokyo (LDAS-UT)
TAMAGAWA Katsunori, KOIKE Toshio, RASMY Mohamed, TSUJIMOTO Kumiko, AIDA Kentaro
Technical report of IEICE. SANE 113 ( 88 ) 31 - 34 2013.6
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D201 低緯度地帯における陸風循環 : カンボジアのトンレサップ湖周辺域に見られる特徴(境界層I,一般口頭発表)
辻本 久美子, 小池 俊雄
大会講演予講集 101 217 - 217 2012
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Reinforcement of in-situ raingauge network in Cambodia and its outcome: Characteristics of post-monsoon rainfall in 2009
Tsujimoto Kumiko, Koike Toshio, Aida Kentaro, So Im Monichoth, Preap Sameng, Long Saravuth
Proceeding of Annual Conference 23 ( 0 ) 16 - 16 2010
Presentations
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Development of the AMSR3 & GCOM-W research algorithm for global soil moisture content
Kumiko Tsujimoto
2024.10.19
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日本の火山灰土に対する誘電率モデルの比較と検証
辻本久美子, 太田哲, 岸本爽汰, 橋村心
令和6年度農業農村工学会大会講演会 2024.9
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栽培管理システムに求められる要素の解明―台湾での聞き取り調査を通して
大倉悠生, 九鬼康彰, 辻本久美子
令和6年度農業農村工学会大会講演会 2024.9
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全球を対象とした干ばつ指標SC-PDSI による干ばつ検知精度の評価と考察
笹本大智, 大倉悠生, 太田哲, 辻本久美子
令和6年度農業農村工学会大会講演会 2024.9
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気候変動下で水災害と食糧問題に立ち向かうには
辻本久美子
日本学術会議公開シンポジウム「ワンヘルス ～未来を創る世代とともに考える～」 2024.8
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Development of the AMSR3 & GCOM-W research algorithm for global soil moisture content
Kumiko Tsujimoto
The Joint PI Meeting of JAXA Earth Observation Missions FY2023 2023.11.8
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大気－陸面相互作用に着目した降水予測：農地管理の視点から Invited
辻本久美子
日本流体力学会第32回中四国・九州支部講演会 2023.11
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湿潤土壌の誘電特性に関するデータベース構築とモデル化
辻本久美子, 太田哲, 岸本爽汰
2023年度土壌物理学会大会 2023.10.21
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人工衛星搭載マイクロ波放射計AMSR2に基づく全球土壌水分量推定アルゴリズムの改良提案と結果の検証
辻本久美子, 太田哲
第68回土木学会水工学講演会 2023.10
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Cバンドマイクロ波に対する湿潤土壌誘電率モデルの圃場スケール検証
辻本久美子, 太田哲, 井澤克文
水文・水資源学会 日本水文科学会2023年度研究発表会 2023.9.7
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Radar-based rainfall estimation over Cambodia
H. Kamimera, K. Tsujimoto, M. Hak, O. Ryna, S. I. Monichoth, K. Youtray
9th International Conference on Flood Management (ICFM9) 2023.2
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マイクロ波を用いた土壌水分衛星観測アルゴリズムにおける湿潤土壌誘電率モデル改変効果
辻本久美子, 太田哲
第67回土木学会水工学講演会 2022.11.25
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Development of the AMSR3 & GCOM-W research algorithm for global soil moisture content
Kumiko Tsujimoto, Tetsu Ohta
JAXA Joint PI Meeting (GCOM-W & AMSR3) 2022.11.7
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Comparison of Different Dielectric Models for Wet Soils
Kumiko Tsujimoto, Tetsu Ohta
2022.10.29
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Effect of Aquatic Plants on the Channel Water Level Management in Okayama City and Its Countermeasures
Takumi Inaba, Kumiko Tsujimoto, Yoshitaka Nakashima
2022.8
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The AWCI Activity in Cambodia: A “Water-Climate-Agriculture” Integrated System. Invited
Kumiko Tsujimoto
GEO Virtual Symposium 2022 - Global Action for Local Impact - 2022.5.3
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Prediction of precipitation and streamflow by land-atmosphere data assimilation
Kumiko Tsujimoto
JAXA Joint PI Meeting (GCOM-W & AMSR3) 2022.1.17
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An improved soil moisture retrieval algorithm from GCOM-W/AMSR2 microwave observations using Mironov dielectric model
Kumiko Tsujimoto, Tetsu Ohta
2021.10.30
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地球観測衛星から水循環をモニタリングする －気候変動下での水災害軽減に向けて－
辻本久美子
岡山大学新工学部発足記念シンポジウム 2021.9.29
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Addressing the Climate-Water-Agriculture Nexus in Cambodia through Field Observation and Numerical Modelling
Kumiko Tsujimoto
2021.9.16
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バルク法によるトンレサップ湖の潜熱量の推定
伊藤祐二, 籾井和朗, 辻本久美子, 増本隆夫, 吉岡有美
水文・水資源学会2021 年度総会・研究発表会 2021.9
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Oxygen and hydrogen isotopic signatures of surface and groundwater during a dry season in the Tonle Sap Lake basin
Yumi Yoshioka, Takao Masumoto, Kumiko Tsujimoto, Yuji Ito
2021.5
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Prediction of precipitation and streamflow by land-atmosphere data assimilation
Kumiko Tsujimoto
JAXA Joint PI Meeting (GCOM-W & AMSR3) 2021.1.19
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地球観測ビッグデータを利用した営農支援ツールの開発
辻本久美子
イノベーション・ジャパン-2020 大学見本市 2020.9
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Assessment of climate change impact and farmer’s empirical knowledge on rice production in Cambodia with consideration of uncertainties
Kumiko Tsujimoto, Nana Kuriya, Kotaro Ono
2020.8
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Examination of Dielectric Models in AMSR2 Soil Moisture Estimation Algorithm for Japanese and Cambodian Soils
Kumiko Tsujimoto, Tetsu Ohta
European Geosciences Union (EGU) General Assembly 2020.5.6
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Evaluation of dielectric mixing model for wet soils for land data assimilation
Kumiko Tsujimoto
The Joint PI Meeting of JAXA Earth Observation Missions FY2019 2020.1.21
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大気陸面データ同化による局地循環性降水の予測精度向上に向けて Invited
辻本久美子
気象学会関西支部2019年度第2回例会（研究発表会） 2019.12.21
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Dielectric mixing models of moist soils for microwave satellite observation of soil moisture: A theoretical analysis
Kumiko Tsujimoto
2019.11.4
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Experimental validation of the Mironov mixing dielectric model for moist soils
Nana Kuriya, Kumiko Tsujimoto, Mitsuru Komatsu, Tetsu Ohta, Kotaro Ono, Risa Yamamoto
2019.10.26
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Measurements of the dielectric properties of moist soils in the 0.025-4.0GHz range
Kotaro Ono, Kumiko Tsujimoto, Mitsuru Komatsu, Tetsu Ohta, Nana Kuriya, Risa Yamamoto
2019.10.26
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スマートフォンアプリを利用した営農管理システム構築に向けて
辻本 久美子
第23回岡山リサーチパーク研究・展示発表会</i> 2019.2.15
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スマートフォンアプリを利用した営農管理システム構築に向けて
辻本 久美子
成30年度岡山大学研究シーズ発信会 2018.12.4
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When do rice teracces become rice terraces? International conference
Yasushi Mori, Masaya Sasaki, Eisei Morioka, Kumiko Tsujimoto
PAWEES-INWEPF 2018.11.21
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Risk of paddy field damage due to river bank breach during serious flood International conference
Tetsuro Tsujimoto, Kumiko Tsujimoto
PAWEES-INWEPF 2018.11.21
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Estimation of planting date in paddy fields by time-series MODIS data for basin-scale rice production modelling International conference
Kumiko Tsujimoto, Tetsu Ohta, Yoshihiro Hirooka, Koki Homma
PAWEES-INWEPF 2018.11.20
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Calibration of Satellite Precipitation Product GSMaP with Ground Rain-Gauge Observations for Hydrological Simulations, International conference
Kumiko Tsujimoto, Tetsu Ohta
15th Annual Meeting of Asia Oceania Geosciences Society 2018.6
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Modeling Soil Moisture for an Integrated Basin-Scale Hydrological and Agricultural Model International conference
Kumiko Tsujimoto, Tetsu Ohta
15th Annual Meeting of Asia Oceania Geosciences Society 2018.6
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Parallel improvement of hydrological simulation and microwave satellite soil moisture observation with a unified soil water model
Kumiko Tsujimoto, Tetsu Ohta, Yasushi Mori
2018.3
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衛星搭載マイクロ波放射計を利用した土壌水分量推定に向けた土壌誘電率のモデル化
辻本久美子, 森也寸志
土壌物理学会大会 2017.10
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南スマトラ感潮湿地水田の気候変動影響評価のための作付日推定手法の検討
辻本久美子, 太田哲, 本間香貴
農業農村工学会大会講演会 2017.8
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農業農村工学分野における衛星降水量データの効果的な利活用に向けて
辻本久美子
平成29年度農業農村工学会大会講演会 2017.8
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Bridging science and society for providing information on paddy water environment in Cambodia under present and future climates International conference
Monichoth So Im, Hak Mao, Ryna Oum, Sotha Sreng, Vany, Sophy, Hak, Nara, Sovann, Khon, San, Kumiko Tsujimoto, Kentaro Aida, Tetsu Ohta, Masaki Yasukawa, Hideyuki Kamimera, Katsunori Tamagawa, Koki Homma, Toshio Koike, Masaru Kitsuregawa
13th Symposium of International Network for Water and Ecosystem in Paddy Fields Symposium 2016.12
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Land-Lake-Atmosphere Interaction under Global Climate Change and Regional Landuse Change over a Large Tropical Lake and its Vicinities: case study in Cambodia International conference
Kumiko Tsujimoto
Collaboration Seminar for Sustainable Environment 2016.8
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Toward sustainable water resources management in Cambodia through climate-water-food integrated approach with field observation, satellite observation, and numerical model simulations International conference
Kumiko Tsujimoto, Monichoth So Im, Toshio Koike, Kentaro Aida, Katsunori Tamagawa, Tetsu Ohta, Koki Homma, Masaki Yasukawa, Masaru Kitsuregawa
1st Symposium on Tonle Sap Water Environment 2016.8
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Observation and numerical modelling of surface fluxes over paddy around the Tonle Sap Lake Area in Cambodia International conference
Kumiko Tsujimoto, Toshio Koike, Kenji Tanaka, Kentaro Aida, Katsunori Tamagawa, Tetsu Ohta, Koki Homma, Monichoth So Im
International Symposium on Agricultural Meteorology 2016.3
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カンボジア・トンレサップ湖周辺域における湖上と水田地帯での乱流フラックス観測
辻本久美子, 小池俊雄, 田中健路, 会田健太郎, 玉川勝徳
日本農業気象学会大会 2016.3
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Toward application of GSMaP for the flood early warning in Asian countries International conference
KumikoTsujimoto, Tetsu Ohta, Kentaro Aida, Petra Koudelova, Mohamed Rasmy, Patricia Ann Jaranilla-Sanchez, Toshio Koike
Asian Water Cycle Initiative (AWCI) Symposium 2016.1
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Application of GSMaP for Integrated Water Management in Asian Countries : for Flood Risk Management and Agricultural Water Resources Management International conference
Kumiko Tsujimoto, Tetsu Ohta, Toshio Koike
GPM workshop 2016.1
Awards
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論文賞
2023.10 土壌物理学会
辻本久美子・太田哲・藤井秀幸・小松満
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研究准教授の称号付与
2023.5 岡山大学
辻本久美子
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感謝状
2023.3 JAXA第一宇宙技術部門
AMSR3 & GCOM-Wサイエンスチーム
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Paper Award
2022.11 International Society of Paddy and Water Environment Engineering (PAWEES)
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水工学論文奨励賞
2012.3 公益社団法人 土木学会水工学委員会
辻本 久美子
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山田一宇賞
2010.6 公益財団法人 前田記念工学振興財団
辻本 久美子
Research Projects
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熱帯湖沼水田流域における緩和・適応策を一体化した気候変動下の農業水管理技術の開発
Grant number：24KK0132 2024.09 - 2027.03
日本学術振興会 科学研究費助成事業 国際共同研究加速基金(海外連携研究)
増本 隆夫
Authorship：Coinvestigator(s)
Grant amount：\21060000 （ Direct expense: \16200000 、 Indirect expense：\4860000 ）
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地温・地中水分の鉛直プロファイルがマイクロ波放射伝達過程に与える影響のモデル化
2024.04 - 2025.03
公益財団法人中国電力技術研究財団 試験研究（A）
Authorship：Principal investigator
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干ばつ早期警戒のためのグローバルな準リアルタイムモニタリングシステムの構築
2024.04 - 2025.03
公益財団法人木下記念事業団 学術研究活動助成事業
Authorship：Principal investigator
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Database construction and modelling of soil dielectric properties
Grant number：23H01515 2023.04 - 2026.03
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)
辻本 久美子
Authorship：Principal investigator
Grant amount：\19500000 （ Direct expense: \15000000 、 Indirect expense：\4500000 ）
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ダイバーシティ農業による地域イノベーション共創拠点
2022.10 - 2023
科学技術振興機構（JST） 共創の場形成支援プログラム 地域共創分野育成型
Authorship：Coinvestigator(s)
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AMSR3およびGCOM-Wを用いた全球土壌水分量に関する研究アルゴリズムの開発
2022.04 - 2025.03
宇宙航空研究開発研究(JAXA) 第3回地球観測研究公募
Authorship：Principal investigator
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気候変動に適応したしなやかなスマート農業水管理システムの開発
2020.12 - 2021.03
いであ株式会社 共同研究
Authorship：Principal investigator
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Proposal of precision irrigation information by water dynamics analysis with spatial heterogeneity of leaf and soil
Grant number：20H03099 2020.04 - 2023.03
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B) Grant-in-Aid for Scientific Research (B)
中村 公人, 中桐 貴生, 辻本 久美子
Authorship：Coinvestigator(s)
Grant amount：\16380000 （ Direct expense: \12600000 、 Indirect expense：\3780000 ）
和歌山県有田市の果樹園における観測に加えて，大阪府立大学の敷地内のミカン樹における画像観測を実施した．有田市果樹園においては，土壌水分量，葉面温度，気象要素の経時観測に加えて，定期的なドローン撮影（熱赤外線カメラ，マルチスペクトルカメラ）と葉の水ポテンシャル，気孔コンダクタンスの計測を行った．大阪府立大学のミカン樹においては，定期的におよそ2時間間隔での葉の水ポテンシャルを観測し，そのときのRGB撮影と近赤外マルチスペクトル撮影を行い，色彩情報との関係性を検討するとともに，葉先の位置の変位を計測し，変位量との関係性の有無を調べた．その結果，葉面温度と気温の差が葉の水ポテンシャルの推定に利用できる可能性を示すことができ，葉面温度から気孔コンダクタンスを推定するモデル式を提示した．気孔コンダクタンスの観測値と計算値はおよそ適合することを示した．また，ミカン果実品質への影響度が高い9月において，RGBと葉の水ポテンシャルの相関が高いこと，葉の水ポテンシャルは葉の変位量とも関係性が見られることを明らかにした．以上より，遠隔情報を用いて葉の水ポテンシャルが推定可能であることが示唆された．水分動態解析に必要となる蒸発散量については，土壌水分量の観測値から推定し，これが葉面温度の変化の特徴と弱い関係があることを示した．
また，昨年度に開発した，ラズベリーパイと無線LANを利用したマルチスペクトル撮影および土壌水分の多点計測を自動で行えるシステムを有田市果樹園に導入し観測を開始することができた．さらに，浸潤計を用いて土壌の浸透特性を評価することができることを確認した． -
Development of basin-scale water management technologies of paddy dominant watersheds using seasonal vicissitudes of Tonle Lake and its reverse import as rural technology infrastructures
Grant number：19KK0171 2019.10 - 2022.03
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Fund for the Promotion of Joint International Research (Fostering Joint International Research (B)) Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))
増本 隆夫, 吉岡 有美, 伊藤 祐二, 辻本 久美子
Authorship：Coinvestigator(s)
Grant amount：\18460000 （ Direct expense: \14200000 、 Indirect expense：\4260000 ）
令和3年度には、前年度に引き続き湖内熱収支の検討を進め、比較的高い精度で得ることができた現地測定データを用いて潜熱量の推定法を検討した。特に、大気安定度を考慮したバルク係数モデルを用いて潜熱量の推定値を渦相関法による測定値と比較・検討した。加えて、氾濫水の地下水涵養の有無についての検討、領域気候モデル（WRF）とDWCM-AgWUモデルとのカップリングに関する基本アルゴリズムの決定ならびに組込み方法について検討した。そこでは、カンボジアへの渡航が困難であったことから、代替で日本の湖干拓により、湖面積が1/5になった八郎湖流域を取りあげで同組み込み方法の検討を行った。
また、環境指標としての安定同位体の利用方法を明らかにした上で、トンレサップ湖や湖周辺地域での降水、湖水、河川水の定期的なサンプリングを共同研究先の水資源気象省と協力して継続して行った。ただし、同位体分析を着実かつ本格的に進めたが、コロナ禍により、共同研究者による日本へのサンプリングデータの送付が滞り、一方で日本側研究者の渡カンボジアを全く果たせなかったことから、現地訪問時の定点サンプリングもできなかった。そのため、分布型水循環モデルによる計算シミュレーションと環境指標からのアプローチを統合したネオ診断法の展開に遅れが生じた。他方、観測塔での観測は継続するとともに、気候変動実験における各種GCMの結果も入手し、独自のバイアス補正法により1～5kmのダウンスケールデータの作成を開始した。ただし、観測塔上のバッテリー等は交換補修が必要となっているが、現地訪問ができず太陽パネルが利用できない夜間の観測に支障をきたす事態の改善はできなかった。 -
スマートフォンアプリを利用した営農管理システム構築に向けて
2019.09 - 2020.03
産学官融合センター研究協力会 プレ共同研究
Authorship：Principal investigator
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大気陸面データ同化による降水・河川流量予測
2019.04 - 2022.03
宇宙航空研究開発機構（JAXA） 第2回地球観測研究公募
辻本 久美子
Authorship：Principal investigator Grant type：Competitive
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土壌の誘電特性と保水性の関係に着目した土壌水分量衛星観測アルゴリズム改良の試み
Grant number：19K04619 2019.04 - 2022.03
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C) Grant-in-Aid for Scientific Research (C)
辻本 久美子
Authorship：Principal investigator
Grant amount：\4420000 （ Direct expense: \3400000 、 Indirect expense：\1020000 ）
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Exploring the mechanisms how soil organic matter escapes decomposition and accumulates in the terrestrial surface layer of the earth
Grant number：17H01496 2017.04 - 2021.03
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A) Grant-in-Aid for Scientific Research (A)
Mori Yasushi
Authorship：Coinvestigator(s)
Grant amount：\43160000 （ Direct expense: \33200000 、 Indirect expense：\9960000 ）
Soil is the largest terrestrial carbon sotrage and a valuable medium for plant growth, thus conservation of organic soil is essential for ecosystem stability. We found that the physical aspects of pore structure and downward infiltration are strongly related to soil organic matter, and we clarified the mechanisms of soil organic matter accumulation and loss on a watershed scale. Downward infiltration increases soil organic matter, but soil runoff, the major cause of soil degradation, has a canceling effect on it. In addition to CEC and silt content, permeability factors also play a role in the conservation of soil organic matter at the continental level, indicating the importance of physical aspects in a wide area.
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Degrading Process Analysis and Hydrological Estimation of Environmental Management for Rice Terraces in the Philippines.
Grant number：17H04484 2017.04 - 2020.03
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B) Grant-in-Aid for Scientific Research (B)
MORI Yasushi
Authorship：Coinvestigator(s)
Grant amount：\15860000 （ Direct expense: \12200000 、 Indirect expense：\3660000 ）
The Cordillera rice terraces in the northern part of the Philippines, known as a World Heritage, conveys the traditional culture of the region and exists as a production base for rice cropping and a part of natural water and material cycles. However, the collapse of rice terraces has become more serious, and proper and efficient farm management has been required to maintain the rice terraces.We focused on the structure of the rice terraces and the circulation of water and materials, and found that hard pan, which was formed in the lower layers of the paddy fields to store water, decided the stability of the rice terraces.There were some rice terraces with excess organic matter and the paddy can pond the water by small particle clogging without forming hard pan.If that was the case, mineral leaching occurred and stability of the paddy becomes lower.
We can conclude that hard pan is invisible, but its formation is crucial for stable rice paddy management. -
Quantitative assessment of scientific knowledge on climate change and farmers' empirical knowledge through dynamic coupling of hydrologic and crop models
Grant number：16K06503 2016.04 - 2020.03
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C) Grant-in-Aid for Scientific Research (C)
Tsujimoto Kumiko
Authorship：Principal investigator
Grant amount：\4810000 （ Direct expense: \3700000 、 Indirect expense：\1110000 ）
In this project, a distributed hydrological model and a crop growth model were dynamically coupled with improvements especially made on the land-surface process sub-model. The improved model was applied on a basin scale, and the impact assessment of climate change on agricultural water resources and rice production was conducted to derive the basin-scale future projection and its uncertainties (“quantitative assessment of scientific knowledge on climate change”). In addition, farmers’ empirical knowledge on agricultural management against year-to-year fluctuations in rainfall and water availability has been investigated through field surveys and remote sensing data, and its effectiveness and limitation under changing climate have been investigated. With results from these two approaches, the effective information for adaptation in agriculture under climate change has been distilled and discussed.
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カンボジア西部における気候変化下での水と食料の安全保障
2014.04 - 2015.03
宇宙航空研究開発機構（JAXA） 環境のための宇宙利用プロジェクト（SAFE）
辻本 久美子
Authorship：Principal investigator Grant type：Competitive
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Toward better understanding of the mechanism of the locally-induced precipitation in Cambodia through radiosonde observation and its data assimilation for regional climate model simulation
Grant number：25820222 2013.04 - 2016.03
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B) Grant-in-Aid for Young Scientists (B)
Tsujimoto Kumiko, KOIKE Toshio, TANAKA Kenji, TAMAGAWA Katsunori, AIDA Kentaro, OHTA Tetsu, MASUMOTO Takao, Monichoth SO IM
Authorship：Principal investigator
Grant amount：\4420000 （ Direct expense: \3400000 、 Indirect expense：\1020000 ）
Radiosonde observation in Cambodia was conducted in this project, since there is currently no operational one. The sondes were released simultaneously from two stations in Cambodia, from paddy and from the Tonle Sap Lake. The observed data were used for the data assimilation for the regional climate model simulations with WRF, in order to clarify the mechanism of the locally-induced nocturnal precipitation over the rain-fed agricultural area at western country.
Through the comparison with the observed precipitation both from satellite and ground, it was shown that the simulated precipitation by WRF with data assimilation has been improved even only with day-time observation data. The simulated results also showed that not only night-time phenomena but also the development of the day-time lake-breeze circulation as well as the surface heat fluxes from various land-use types over land during daytime are the key for the better estimation of the nocturnal local precipitation in this region. -
アジアモンスーン地域における地上レーダーと雨量計ネットワークを用いた衛星降水プロダクトの検証
2013.04 - 2016.03
宇宙航空研究開発機構（JAXA） 降水観測ミッションプロジェクト（PMM）
辻本 久美子
Authorship：Principal investigator Grant type：Competitive
Class subject in charge
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SDGs:Energy and Entropy （2024academic year） Third semester - 月7～8
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Energy and Entropy （2024academic year） Third semester - 月7～8
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Programming （2024academic year） 3rd and 4th semester - 水1～2
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Programming （2024academic year） 3rd and 4th semester - 水1～2
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Programming 1 （2024academic year） Third semester - 水1～2
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Programming 2 （2024academic year） Fourth semester - 水1～2
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Water and Solute Movement in Soils （2024academic year） Third semester - 月1～2,木1～2
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Water and Solute Movement in Soils （2024academic year） Third semester - 月1～2,木1～2
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Experimental Course of Environmental Soil Science （2024academic year） Third semester - 火5～7,金5～7
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Experimental Course of Environmental Soil Science （2024academic year） Third semester - 火5～7,金5～7
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Fundamental Terrestrial Information Practice （2024academic year） 1st and 2nd semester - [第１学期]金3～4, [第２学期]水3～4
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Practical English for Science and Engineering （2024academic year） Third semester - 月6,木4
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Climate-Water-Agriculture Nexus Science （2024academic year） Prophase - その他
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Land Surveying Ⅰ and Practice （2024academic year） 1st and 2nd semester - [第１学期]金1～4, [第２学期]水1～4
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Land Surveying and Field Works （2024academic year） 1st and 2nd semester - [第１学期]金3～4, [第２学期]水3～4
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Advanced Study （2024academic year） Other - その他
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Numerical Simulation for Environmental Science （2024academic year） Prophase - 月5～6
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Seminar on Agricultural Land Management （2024academic year） Year-round - その他
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Seminar in Agricultural Land Management （2024academic year） Prophase - その他
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Linear Algebra （2024academic year） 1st and 2nd semester - 金5～6
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Linear Algebra （2024academic year） 1st and 2nd semester - 金5～6
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Linear Algebra 1 （2024academic year） 1st semester - 金5～6
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Linear Algebra 2 （2024academic year） Second semester - 金5～6
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Informatics for disaster prevention （2024academic year） Late - 月3～4
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SDGs:Energy and Entropy （2023academic year） Third semester - 月7～8
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Energy and Entropy （2023academic year） Third semester - 月7～8
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Water and Solute Movement in Soils （2023academic year） Third semester - 月1～2,水1～2
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Water and Solute Movement in Soils （2023academic year） Third semester - 月1～2,水1～2
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Experimental Course of Environmental Soil Science （2023academic year） Third semester - 火5～7,金5～7
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Experimental Course of Environmental Soil Science （2023academic year） Third semester - 火5～7,金5～7
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Fundamental Terrestrial Information Practice （2023academic year） 1st and 2nd semester - [第１学期]金3～4, [第２学期]水3～4
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Practical English for Science and Engineering （2023academic year） Third semester - 月6,木4
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Land Surveying Ⅰ and Practice （2023academic year） 1st and 2nd semester - [第１学期]金1～4, [第２学期]水1～4
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Land Surveying and Field Works （2023academic year） 1st and 2nd semester - [第１学期]金3～4, [第２学期]水3～4
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Numerical Simulation for Environmental Science （2023academic year） Prophase - 月5～6
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Seminar on Improvement of Agricultural Land Environment （2023academic year） Prophase - その他
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Seminar on Improvement of Agricultural Land Environment （2023academic year） Late - その他
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Seminar on Agricultural Land Management （2023academic year） Year-round - その他
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Improvement of Agricultural Land Environment （2023academic year） Prophase - 月7～8
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Informatics for disaster prevention （2023academic year） Late - 月3～4
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SDGs:Energy and Entropy （2022academic year） Third semester - 月7～8
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Energy and Entropy （2022academic year） Third semester - 月7～8
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Water and Solute Movement in Soils （2022academic year） Third semester - 月1～2,水1～2
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Water and Solute Movement in Soils （2022academic year） Third semester - 月1～2,水1～2
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Experimental Course of Environmental Soil Science （2022academic year） Third semester - 火5～7,金5～7
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Fundamental Terrestrial Information Practice （2022academic year） 1st and 2nd semester - [第１学期]金3～4, [第２学期]水3～4
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Practical English for Science and Engineering （2022academic year） Third semester - 月6,木4
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Land Surveying Ⅰ and Practice （2022academic year） 1st and 2nd semester - [第１学期]金1～4, [第２学期]水1～4
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Land Surveying and Field Works （2022academic year） 1st and 2nd semester - [第１学期]金3～4, [第２学期]水3～4
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Seminar on Improvement of Agricultural Land Environment （2022academic year） Prophase - その他
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Seminar on Improvement of Agricultural Land Environment （2022academic year） Late - その他
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Improvement of Agricultural Land Environment （2022academic year） Prophase - 月7～8
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Laboratory in Environmental Soil Science （2021academic year） Third semester - 火5,火6,火7,金5,金6,金7
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SDGs:Energy and Entropy （2021academic year） Third semester - 月7～8
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Energy and Entropy （2021academic year） Third semester - 月7～8
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Energy and Entropy （2021academic year） Third semester - 月7～8
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Water and Solute Movement in Soils （2021academic year） Fourth semester - 水2～4
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Experimental Course of Environmental Soil Science （2021academic year） Third semester - 火5～7,金5～7
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Fundamental Terrestrial Information Practice （2021academic year） 1st semester - 月6～8,木6～8
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Practical English for Science and Engineering （2021academic year） Third semester - 月6,木4
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Land Surveying Ⅰ and Practice （2021academic year） 1st and 2nd semester - [第１学期]金1,金2,金3,金4, [第２学期]水1,水2,水3,水4
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Seminar on Improvement of Agricultural Land Environment （2021academic year） Prophase - その他
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Seminar on Improvement of Agricultural Land Environment （2021academic year） Late - その他
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Improvement of Agricultural Land Environment （2021academic year） Late - 月2～3
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Laboratory in Environmental Soil Science （2020academic year） Third semester - 火4,火5,火6,金4,金5,金6
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Energy and Entropy （2020academic year） Fourth semester - 火3,金1,金2
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Energy and Entropy （2020academic year） Fourth semester - 火3,金1,金2
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Energy and Entropy （2020academic year） Fourth semester - 火3,金1,金2
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Water and Solute Movement in Soils （2020academic year） Fourth semester - 月4,木4,木5
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Water and Solute Movement in Soils （2020academic year） Fourth semester - 月4,木4,木5
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Experimental Course of Environmental Soil Science （2020academic year） Third semester - 火4,火5,火6,金4,金5,金6
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Experimental Course of Environmental Soil Science （2020academic year） Third semester - 火4,火5,火6,金4,金5,金6
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Fundamental Terrestrial Information Practice （2020academic year） 1st semester - 月6,月7,月8,木6,木7,木8
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Fundamental Terrestrial Information Practice （2020academic year） 1st semester - 月6,月7,月8,木6,木7,木8
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Practical English for Science and Engineering （2020academic year） Third semester - 月6,木6
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Seminar on Improvement of Agricultural Land Environment （2020academic year） Prophase - その他
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Seminar on Improvement of Agricultural Land Environment （2020academic year） Late - その他
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Improvement of Agricultural Land Environment （2020academic year） Late - 月2,月3