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Change characteristic of basin topographical parameters according to the threshold area of minimum order stream
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 Title & Authors
Change characteristic of basin topographical parameters according to the threshold area of minimum order stream
Ahn Seung-Seop; Park Ro-Sam; Kim Jong-Ho; Lim Ki-Seok; Song Si-Hoon;
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 Abstract
The size of minimum order stream has a very sensitive effect on runoff analysis model using the divergence characteristic of stream. Therefore, in this study, the threshold area of minimum order stream has been examined the change characteristic of topographical parameters. The subject basin of the research was the upper basin of the Kumho water gage station which is located in the middle of the Kumho river. The 1:25,000 numerical geography which was constructed mesh was used. The range of investigation of topographical parameters are number of stream order, length, area, slope, basin relief, sinuosity ratio, drainage density and total stream length etc. It was found from the result of analysis that the threshold value of minimum order stream has a very big effect on topographical parameters of basin. It was found that the threshold area of minimum ord er stream revealed under Furthermore, the parameters showed a serious change except for over
 Keywords
Minimum order stream;Threshold area;Topographical parameters;
 Language
Korean
 Cited by
1.
유역특성인자를 이용한 설계홍수량 추정에 관한 연구,박기범;

Journal of Environmental Science International, 2006. vol.15. 9, pp.887-895 crossref(new window)
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