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Nhan đề: Modelling Climate Change Impacts on the Seasonality of Water Resources in the Upper Ca River Watershed in Southeast Asia
Tác giả: Giang, Pham Quy
Toshiki, Kosuke
Sakata, Masahiro
Kunikane, Shoichi
Vinh, Tran Quoc
Từ khoá: Climate change
Seasonality of water
Ca river
Năm xuất bản: 17-Aug-2014
Tùng thư/Số báo cáo: The Scientific World Journal;Volume 2014 I pp. 1 - 14
Tóm tắt: The impact of climate change on the seasonality of water resources in the Upper Ca River Watershed in mainland Southeast Asia was assessed using downscaled global climate models coupledwith the SWAT model. The results indicated that temperature and evapotranspiration will increase in all months of future years.The area could warmas much as 3.4 ∘ Cinthe2090s, with an increase of annual evapotranspiration of up to 23% in the same period. We found an increase in the seasonality of precipitation (both an increase in the wet season and a decrease in the dry season). The greatest monthly increase of up to 29% and the greatest monthly decrease of up to 30%are expected in the 2090s. As a result, decreases in dry season discharge and increases inwet season discharge areexpected, with aspanof±25% for the highest monthly changes in the 2090s. This is expected to exacerbate the problem of seasonally uneven distribution of water resources: a large volume of water in the wet season and a scarcity of water in the dry season, a pattern that indicates the possibility of more frequent floods in the wet season and droughts in the dry season.
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