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Mapping the Spatial Distribution of Drainage Density Based on GIS  

Kim, Joo-Cheol (한국수자원공사 Kwater연구원)
Lee, Sang-Jin (한국수자원공사 Kwater연구원)
Publication Information
Journal of Korean Society for Geospatial Information Science / v.18, no.1, 2010 , pp. 3-9 More about this Journal
Abstract
Drainage density, defined as the degree to which a landscape is dissected by streams, is a fundamental property of natural terrain that reflect the comprehensive morphologic response of watershed. In this study the spatial variability of drainage density is analyzed by statistical approach to it and its plotting method is proposed. Overland flow length is confirmed to be a highly variable spatial factor from the result of statistical analysis. Distribution map of drainage density based on spatial autocorrelation length in this study would be a superior tool to the classical definition of drainage density.
Keywords
Drainage Density; Spatial Variability; Distribution Map; GIS;
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Times Cited By KSCI : 2  (Citation Analysis)
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