DEVELOPMENT OF A GLOBAL INTEGRATED WATER RESOURCES MODEL FOR WATER RESOURCES ASSESSMENTS UNDER CLIMATE CHANGE

A global water resources model was developed to assess the impact of climate change on water resources. The model consists of six modules, namely, land surface, river, agriculture, reservoir operation, environmental flow, and irrigation. One of the primary purposes of this model is to analyze availa...

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Published inPROCEEDINGS OF HYDRAULIC ENGINEERING Vol. 51; pp. 229 - 234
Main Authors HANASAKI, Naota, UTSUMI, Nobuyuki, YAMADA, Tomoko, SHEN, Yanjun, Bengtsson, Magnus, KANAE, Shinjiro, OTAKI, Masahiro, OKI, Taikan
Format Journal Article
LanguageEnglish
Published Japan Society of Civil Engineers 2007
Subjects
Global warming
Integrated assessment
Water resources
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Summary:A global water resources model was developed to assess the impact of climate change on water resources. The model consists of six modules, namely, land surface, river, agriculture, reservoir operation, environmental flow, and irrigation. One of the primary purposes of this model is to analyze availability of water resources at daily temporal resolution. We estimated the global distribution of water stressed area due to not only the limitation of annual total water resources but also the strong seasonality of them. The results show that the number of population living under water stressed condition reaches its peak around 2050 and remains high until the end of 21st century under SRES A1B scenario.
ISSN:0916-7374
1884-9172
DOI:10.2208/prohe.51.229