Journal of Environmental Impact Assessment 2023 KCI Impact Factor : 0.51
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pISSN : 1225-7184
- https://journal.kci.go.kr/kseia
KJCKorea
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Water Scarcity Assessment Using Green and Blue Water Concepts
- Journal of Environmental Impact Assessment
- Abbr : J EIA
- 2018, 27(3), pp.267-278
- Publisher : Korean Society Of Environmental Impact Assessment
- Research Area : Engineering > Environmental Engineering
김성은 1, Lee, Dong Kun 1, Byungsun Yang 1, Jin, Yi-Hua 2
1서울대학교
2서울대학교 협동과정조경학
Accredited
ABSTRACT
With climate change and population growth, there are significant increases in water scarcity. There have been water security assessments to abate the gap between water demand and availability to support water resource management. However, most of the assessments are focusing on the water that flows through either on or below the land surface, failing to consider water that infiltrates and can be used by vegetation. This study presents water scarcity assessment accounting for Blue and Green water concept, and applied the method to Boryung region. Monthly streamflow, evapotranspiration, and soil moisture were estimated by SWAT modeling, and each of them was used to analyze Blue and Green water scarcity. Blue and Green water scarcity had different aspect, and the result indicated the time when water scarcity is more likely to happen. The water scarcity assessment framework presented in this paper provides novel assessment method integrating hydrologic and ecosystem aspects, thereby improving the understanding of how water resources should be managed.
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