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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Author(s)
Nguyen Van Hieu1, 2, Can Thu Van3 and Vu Minh Cat2
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DOI:10.17265/2162-5298/2018.03.001
Affiliation(s)
1. Ministry of Natural Resources and Environment, Ha Noi 100000, Vietnam
2. Thuyloi Universiry, Ha Noi 100000, Vietnam
3. Hochiminh City University of Natural Resources and Environment, HCM City 700000, Vietnam
ABSTRACT
The BR (Ba River) basin is one of 9 main river basins in Vietnam. In the
past 20 years, natural hazards such as flood and inundation
have been complex and increased dramatically in both frequency and intensity in
the BR basin. Recently, there have been approximately 198 large and
small operating reservoirs which lead to increase natural hazards in the river
basin. An Khe reservoir, one of big reservoirs in the upstream of the Ba river,
impacts significantly on flooding in the downstream. This paper uses
hydrological model to simulate the flows as a basic for the safety operation of
An Khe reservoir in order to prevent the downstream floods. The results indicate
the Nash-Sutcliffe coefficient higher than 0.8 is stable and reliable
parameter.
KEYWORDS
Ba river basin, flood, An Khe reservoir, hydrographic model, rainfall-runoff.
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