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http://dx.doi.org/10.14578/jkfs.2019.108.1.50

The Topography Characteristics on the Land Creep in Korea  

Park, Jae-Hyeon (Department of Forest Resources, Gyeongnam National University of Science and Technology)
Seo, Jung Il (Department of Forest Resource, Kongju National University)
Lee, Changwoo (Division of Forest Disaster Management, National Institute of Forest Science)
Publication Information
Journal of Korean Society of Forest Science / v.108, no.1, 2019 , pp. 50-58 More about this Journal
Abstract
This study was carried out to analysis the landform characteristics of land creep areas in south Korea. Aspect ratio in 17 areas (approximately 46.0 %) among total land creep areas (37 areas) was ranged from 0.37 to 0.92. Also, aspect ratio in 36 areas (approximately 97.0 %) was less than 2. Longitudinal section form ratio of 15 areas (approximately 41.0 %) was less than 1.0, whereas 22 areas (approximately 59.0 %) were more than 1.0. Horseshoe hoof form in land creep areas were mostly appeared to flat land types, whereas convex terrain ground form was prevailed to micro-topography. Mean contour intervals were higher in micro-topography (mean 29.4 m, range 9.5 m ~ 83.2 m) than in except micro-topography (mean 24.3 m, range: 14.4 m ~ 59.4 m) in land creep areas. The contour intervals were slightly wider in micro-topography (mean 5.1 m, range: 4.9 m ~ 23.8 m) than in except micro-topography in land creep areas. The results indicate that contour intervals were significantly different (P < 0.05) between micro-topography and except micro-topography in land creep areas.
Keywords
land creep; aspect ratio; longitudinal section form ratio; micro-topography;
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