KMID : 1024520120210030297
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Journal of the Environmental Sciences 2012 Volume.21 No. 3 p.297 ~ p.303
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Analysis of Spatial Variability of Local Slope by Means of Geographic Information System
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Kim Joo-Cheol
Choi Yong-Joon Yoon Yeo-Jin
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Abstract
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Slope is the geographic factor reflecting the 3-dimensional features of basin and it can be considered as the important geomorphological factor which governs the morphology of basin and the dynamics of water movement. In this study the approach to the 3-dimensional structures of basin is attempted with statistical analysis of local slope which can be defined and measured in easy and objective manner by means of DEM. As a result local slope is confirmed to be a highly variable spatial factor in basin. And distribution map of local slope based on spatial autocorrelation length in this study would be a useful tool in the further research of hydrology and geomorphology.
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KEYWORD
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DEM, Local slope, Spatial variability, Distribution map
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