Determination of the drainage basin characteristics using vector GIS

被引:19
作者
Apaydin, H. [1 ]
Ozturk, F.
Merdun, H.
Aziz, N. M.
机构
[1] Ankara Univ, Fac Agr, Dept Agr Engn, TR-06110 Ankara, Turkey
[2] Kahramanmaras Sutch Imam Univ, Fac Agr, Dept Agr Engn, TR-46060 Kahramanmaras, Turkey
[3] Clemson Univ, Dept Civil Engn, Clemson, SC 29634 USA
关键词
basin morphologic characteristics; basin shape; basin slope; drainage density; hydrologic modeling;
D O I
10.2166/nh.2006.004
中图分类号
TV21 [水资源调查与水利规划];
学科分类号
081501 ;
摘要
Detailed geomorphologic characteristics need to be compiled for performing hydrologic modeling of a basin. Basin form and hydrologic characteristics are to be related so the basin form must also be represented by quantitative descriptors. The typical morphologic characteristics used in hydrological analyses are basin area, perimeter, mainstream length, total stream length, contour length, basin shape (form factor, circularity ratio, compactness ratio, basin elongation), slope, drainage density, relief (maximum relief, relief ratio, relative relief), effective basin width, and median elevation. The objective of this study is to propose an algorithm to automatically calculate basin characteristics using vector GIS. The results produced by the algorithm were compared to the manual method and the two methods were found statistically similar.
引用
收藏
页码:129 / 142
页数:14
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