土木学会論文集B1(水工学)
Online ISSN : 2185-467X
ISSN-L : 2185-467X
水工学論文集第61巻
IMPACT OF UPSTREAM HYDROPOWER DAMS AND CLIMATE CHANGE ON HYDRODYNAMICS OF VIETNAMESE MEKONG DELTA
Sameh KANTOUSHDoan Van BINHTetsuya SUMILa Vinh TRUNG
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2017 年 73 巻 4 号 p. I_109-I_114

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 Between 2015 and 2016, Vietnamese Mekong Delta (VMD) has undergone the most severe drought event over the last 90 years, causing damages to agriculture, aquaculture, and fresh water suply. Moreover, upstream Mekong River development by constructing hydropower dams will magnify the severity to the region. This research therefore aims at summarizing some damaged information caused by drought event 2015-2016 and analyzing the impacts of eleven proposed mainstream dams in Thailand, Lao PDR, and Cambodia on hydrology of Vietnamese Mekong Delta under the effect of sea level rise. Results show that the flow discharge is reduced by maximum 14.9% whereas the maximum increase in water level exceeds 220%. This leads to more intrusion of saltwater into the delta and reduction of fine sediment and natural nutrients settling in floodplains.

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© 2017 Japan Society of Civil Engineers
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