Korean Journal of Hydrosciences
- Volume 8
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- Pages.85-95
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- 1997
Calculation of Topographic Index with Geographic Information System
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Kim, Sang-Hyun
(Dept. of Envir. Engr., Pusan National University) ;
- Ham, Kun-Yeun (Dept. of Civil Engr., Kyungpook National University)
- Published : 1997.06.01
Abstract
The multiple flow direction algorithm to calculate the spatial variation of the saturation tendency, I. e. topographic index, is integrated into the Geographic Information System, GRASS. A procedure is suggested to consider the effect of a tile system on calculating the topographic index. A small agricultural subwatershed (
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