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All Journal The Journal of Indonesia Sustainable Development Planning (JISDeP)
Taishi Yazawa
Institute of Industrial Science, The University of Tokyo, Meguro, Japan
Economics, Econometrics & Finance Energy Environmental Science Law, Crime, Criminology & Criminal Justice Social Sciences

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Assessment of Basin-scale Water Stress using Geographic Information System in Southeast Asian Countries with Megacities Taishi Yazawa; Akito Morita; Toshiyuki Shimizu
The Journal of Indonesia Sustainable Development Planning Vol 4 No 1 (2023): April 2023
Publisher : Pusbindiklatren Bappenas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46456/jisdep.v4i1.383

Abstract

Southeast Asian countries are facing unstable water resource situations, experiencing high water stress as a result in their river basins, particularly around large population cities. This research has assessed basin-scale water stress by estimating the amount of water resources and water use for all river basins in Indonesia, Thailand, the Philippines, Vietnam, and Malaysia. A simple water stress assessment methodology using a Geographic Information System revealed the basins vulnerable to high water stress around the capital areas in all five countries. The population ratio was under high-moderate and high water stress at 29.3% in Indonesia, 41.8% in Thailand, 31.9% in the Philippines, 43.3% in Vietnam, and 19.9% in Malaysia. The results imply that large populations depend on limited water resources. The basin-scale assessment conducted in this research could be used in support of the water resources management planning at an inter-basin scale aiming to neutralize water stress.
Co-Authors Akito Morita Toshiyuki Shimizu