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Application of Landsat ETM Image to Estimate the Distribution of Soil Types and Erosional Pattern in the Wildfire Area of Gangneung, Gangweon Province, Korea  

Yang, Dong-Yoon (Korea Institute of Geoscience & Mineral Resources)
Kim, Ju-Yong (Korea Institute of Geoscience & Mineral Resources)
Chung, Gong-Soo (Department of Geology and Earth Environment Sciences, Chungnam National University)
Lee, Jin-Young (Korea Institute of Geoscience & Mineral Resources)
Publication Information
Journal of the Korean earth science society / v.25, no.8, 2004 , pp. 764-773 More about this Journal
Abstract
The soil in wildfire area Sacheon-myeon, Gangneung, Gangweon Province, Korea, were investigated to clarify pattern of the soils. The soils were classified into 5 types on the basis of vegetation, types of organic matter. thickness of soil horizons, and completeness of soil profile. Each type showed different erosion pattern and Landsat ETM image. Coverage of plant leaves, litter, root, ash and other organic matter was an important component that affected soil color and reflectance of Landsat image (digital number). Although the NDVI (Normalized Distribution Vegetation Index) method in the wildfire area did not show much difference in soil types, the applied supervised classification method showed characteristic pattern of Landsat ETM image of soil types. This study showed that the applied supervised Landsat TM image classification in wildfire area is an effective way to estimate the distribution of erosion pattern of soil in wildfire area.
Keywords
wildfire; soil erosion; Landsat ETM; supervised classification;
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