EXPERTS
研究員
研究主幹
沖 大幹
Taikan Oki
最終更新日：2024年04月10日
東京大学工学部卒業、博士(工学)、気象予報士。総合地球環境学研究所助教授などを経て、2006年より東京大学教授。2016-21年には国際連合大学上級副学長、国際連合事務次長補を兼務。地球規模の水文学および世界の水資源の持続可能性を研究。気候変動に関わる政府間パネル(IPCC)第5次評価報告書統括執筆責任者、国土審議会委員ほかを務めた。ローマクラブ正会員、日本学術会議会員。生態学琵琶湖賞、日経地球環境技術賞、日本学士院学術奨励賞、アメリカ地球物理学連合フェロー、国際水文学賞Doogeメダルなど表彰多数。書籍に『SDGsの基礎』(共著)、『水の未来』(岩波新書)、『東大教授』（新潮新書）など。
【兼 職】
国立大学法人東京大学 総長特別参与、大学院工学系研究科教授
- 研究分野・主な関心領域
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- グローバルな水文学
- 世界の水資源
- 気候変動
- 持続可能な開発
研究プログラム
【2023年度終了】未来の水ビジョン（日本の水をめぐる実態の現状分析と未来ビジョンの形成ならびに水を通じた持続可能な地域の構築に向けた政策提言に関する研究）
未来の水ビジョン（水に関する社会共通基盤（水みんフラ）を支える卓越人材の体系的な育成についての研究）
主な著作等
- Anne-Marie Boulay, Jane Bare, Lorenzo Benini, Markus Berger, Michael J. Lathuilliere, Alessandro Manzardo, Manuele Margni, Masaharu Motoshita, Montserrat Nunez, Amandine Valerie Pastor, Bradley Ridoutt, Taikan Oki, Sebastien Worbe, Stephan Pfister, 2018: The WULCA consensus characterization model for water scarcity footprints: Assessing impacts of water consumption based on available water remaining (AWARE), Int J Life Cycle Assess, 23(2), 368-378.
- Yoshihiko Iseri, Sayaka Yoshikawa, Masashi Kiguchi, Ryunosuke Tawatari, Shinjiro Kanae, Taikan Oki, 2018: Towards the incorporation of tipping elements in global climate risk management: Probability and potential impacts of passing a threshold, Sustainability Science, 13(2), 315-328.
- Shizuki Fukuda, Keigo Noda, and Taikan Oki, 2019: How global targets on drinking water were developed and achieved, Nature Sustainability, 2, 429-434.
- Tokuda, D., Kim, H., Yamazaki, D., and Oki, T., 2019: Development of a global river water temperature model considering fluvial dynamics and seasonal freeze‐thaw cycle, Water Resources Research, 55, 1366-1383.
- Gavin D. Madakumbura, Hyungjun Kim, Nobuyuki Utsumi, Hideo Shiogama, Erich M. Fischer, Oyvind Seland, John F. Scinocca, Daniel M. Mitchell, Yukiko Hirabayashi, and Taikan Oki, 2019: Event-to-event intensification of the hydrologic cycle from 1.5°C to a 2°C warmer world, Scientific Reports, 9, 3483.
- Yokohata, T., K. Tanaka, K. Nishina, K. Takahashi, S. Emori, M. Kiguchi, Y. Iseri, Y. Honda, M. Okada, Y. Masaki, A. Yamamoto, M. Shigemitsu, M. Yoshimori, T. Sueyoshi, K. Iwase, N. Hanasaki, A. Ito, G. Sakurai, T. Iizumi, M. Nishimori, W. H. Lim, C. Miyazaki, A. Okamoto, S. Kanae, and T. Oki, 2019: Visualizing the interconnections among climate risks, Earth’s Future, 7, 85-100.
- Koirala, S., H. Kim, Y. Hirabayashi, S. Kanae, and T. Oki, 2019: Sensitivity of global hydrological simulations to groundwater capillary flux parameterizations. Water Resources Research, 55, 402–425.
- Mark O. Cuthbert, Richard G. Taylor, Guillaume Favreau, Martin C. Todd, Mohammad Shamsudduha, Karen G. Villholth, Alan M. MacDonald, Bridget R. Scanlon, D. O. Valerie Kotchoni, Jean-Michel Vouillamoz, Fabrice M. A. Lawson, Philippe Armand Adjomayi, Japhet Kashaigili, David Seddon, James P.R. Sorensen, Girma Yimer ebrahim, Michael Owor, Philip M. Nyenje, Yahaya Nazoumou, Ibrahim Goni, Boukari Issoufou Ousmane, Tenant Sibanda, Matthew J. Ascott, David M.J. Macdonald, William Agyekum, Youssouf Koussoube, Heike Wanke, Hyungjun Kim, Yoshihide Wada, Min-Hui Lo, Taikan Oki, and Neno Kukuric, 2019: Observed controls on resilience of groundwater to climate variability in sub-Saharan Africa, Nature, 572, 230-234.
- Jun'ya Takakura, Shinichiro Fujimori, Naota Hanasaki, Tomoko Hasegawa, Yukiko Hirabayashi, Yasushi Honda, Toshichika Iizumi, Naoko Kumano, Chan Park, Zhihong Shen, Kiyoshi Takahashi, Makoto Tamura, Masahiro Tanoue, Koujiro Tsuchida, Hiromune Yokoki, Qian Zhou, Taikan Oki, and Yasuaki Hijioka, 2019: Dependence of economic impacts of climate change on anthropogenically directed pathways, Nature Climate Change, 9, 737-741.
- Tom Gleeson, Lan Wang-Erlandsson, Miina Porkka, Samuel C. Zipper, Fernando Jaramillo, Dieter Gerten, Ingo Fetzer, Sarah E. Cornell, Luigi Piemontese, Line Gordon, Johan Rockstrom, Taikan Oki, Murugesu Sivapalan, Yoshihide Wada, Kate A Brauman, Martina Florke, Marc F.P. Bierkens, Bernhard Lehner, Patrick Keys, Matti Kummu, Thorsten Wagener, Simon Dadson, Tara J. Troy, Will Steffen, Malin Falkenmark, James S. Famiglietti, 2020: Illuminating water cycle modifications and Earth System resilience in the Anthropocene, Water Resources Research, doi: 10.1029/2019WR024957
- Taikan Oki & Rose E. Quiocho, 2020: Economically challenged and water scarce: Identification of global populations most vulnerable to water crises, International Journal of Water Resources Development, 36:2-3, 416-428. doi: 10.1080/07900627.2019.1698413.
- Tidar Bayu, Hyungjun Kim, and Taikan Oki, 2020: Water Governance Contribution to Water and Sanitation Access Equality in Developing Countries, Water Resources Research, 36:2-3, 416-428. DOI: 10.1080/07900627.2019.1698413
- Shinjiro Yano, Masahiro Yamaguch, Eiji Yoko, Takuhiro Kanayama, Akihiro Kubota, Daikichi Ogawada, Akiko Matsumura, Martin Gomez-Garcia, Raymond Valiant Ruritan, Taikan Oki, 2020: Using the sectoral and statistical demand to availability index to assess freshwater scarcity risk and effect of water resource management, Journal of Hydrology X, 8, 100058. https://doi.org/10.1016/j.hydroa.2020.100058
- Foufoula-Georgiou, Efi, Clement Guilloteau, Phu Nguyen, Amir Aghakouchak, Kuo-Lin Hsu, Antonio Busalacchi, F. Joseph Turk, Christa Peters-Lidard, Taikan Oki, Qingyun Duan, Witold Krajewski, Remko Uijlenhoet, Ana Barros, Pierre Kirstetter, William Logan, Terri Hogue, Hoshin Gupta, and Vincenzo Levizzani, 2020: Advancing Precipitation Estimation, Prediction, and Impact Studies, Bulletin of the American Meteorological Society, 101(9), E1584-E1592, September, https://doi.org/10.1175/BAMS-D-20-0014.1.
- Champathong, A., Hanasaki, N., Kiguchi, M., Oki, T., 2020: Reconstructing the pristine flow of highly developed rivers? A case study on the Chao Phraya River, Hydrological Research Letters, 14(2),89-96.
- Cheng-Yao Zhang and Taikan Oki, 2021: Optimal Multi-Sectoral Water Resources Allocation Based on Economic Evaluation Considering the Environmental Flow Requirements: A Case Study of Yellow River Basin, Water, 13, 2253. https://doi.org/10.3390/w13162253.
- Daisuke Tokuda, Hyungjun Kim, Dai Yamazaki, and Taikan Oki, 2021: Development of a coupled simulation framework representing the lake and river continuum of mass and energy (TCHOIR v1.0), Geoscientific Model Development, 14, 5669-5693.
https://doi.org/10.5194/gmd-14-5669-2021. - Yizhou Huang, Daisuke Tokuda, Xudong Zhou, Taikan Oki, 2021: Global integrated modeling framework of riverine dissolved inorganic nitrogen with seasonal variation, Hydrological Research Letters, 15(3), 50-57. https://doi.org/10.3178/hrl.15.50.
- Wenchao Ma, Yuta Ishitsuka, Akira Takeshima, Kenshi Hibino, Dai Yamazaki, Kosuke Yamamoto, Misako Kachi, Riko Oki, Taikan Oki, and Kei Yoshimura, 2021: Applicability of a nationwide flood forecasting system for Typhoon Hagibis 2019, Scientific Reports, 11, 10213. https://doi.org/10.1038/s41598-021-89522-8.
- Masashi Kiguchi, Kumiko Takata, Naota Hanasaki, Boonlert Archevarahuprok, Adisorn Champathong, Eiji Ikoma, Chaiporn Jaikaeo, Sudsaisin Kaewrueng, Shinjiro Kanae, So Kazama, Koichiro Kuraji, Kyoko Matsumoto, Shinichiro Nakamura, Dzung Nguyen-Le, Keigo Noda, Napaporn Piamsa-Nga, Mongkol Raksapatcharawong, Prem Rangsiwanichpong, Sompratana Ritphring, Hiroaki Shirakawa, Chatuphorn Somphong, Mallika Srisutham, Desell Suanburi, Weerakaset Suanpaga, Taichi Tebakari, Yongyut Trisurat, Keiko Udo, Sanit Wongsa, Tomohito Yamada, Koshi Yoshida, Thanya Kiatiwat, and Taikan Oki, 2021: A review of climate-change impact and adaptation studies for the water sector in Thailand, Environmental Research Letters, 16(2), 023004. https://doi.org/10.1088/1748-9326/abce80.
