Water Stress Index application to assess water scarcity of Lower Vu Gia - Thu Bon River Basin in Vietnam

The role of water security is the importance of sustainable development in a country. This study used the water stress index (WSI) to evaluate the status of water resources and water exploitation in the Vu Gia - Thu Bon river basin. In the study, the Vu Gia - Thu Bon river basin was divided into 15...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2023-02, Vol.1143 (1), p.12004
Main Authors: Mai, D T T, Vo, D N, Tran, N T V
Format: Article
Language:English
Subjects:
Dry season
Exploitation
Mathematical analysis
Plant growth
River basins
Rivers
Security
Sustainable development
Water availability
Water resources
Water scarcity
Water security
Water stress
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Summary:The role of water security is the importance of sustainable development in a country. This study used the water stress index (WSI) to evaluate the status of water resources and water exploitation in the Vu Gia - Thu Bon river basin. In the study, the Vu Gia - Thu Bon river basin was divided into 15 areas to calculate the water stress index (WSI) through the following calculation: The water availability is calculated by the simulation software MIKE SHE; Demand water (domestic, industry, agriculture); Environmental water requirement (EWR) to maintain environmental stability of the river. The findings have shown that 1) There is WSI differences beetwen upper and lower Vu Gia Thu Bon; 2) In the downstream areas, WSI value is up to 4 in the dry season. WSI exceeds 1 times is during the period from April to June. Water scarcity becomes more serious than in the middle and upstream areas, especially, the exploitation area to supply water for domestic and industry in Da Nang city.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/1143/1/012004