Detecting landslide location using KOMPSAT 1 and its application to landslide-susceptibility mapping at the Gangneung area, Korea

被引：66

作者：

Geoscience Information Center, Korea Institute of Geoscience and Mineral Resources , 30, Gajeong-dong, Yuseong-gu, Daejeon, 305-350, Korea, Republic of ^{[1
]}

不详 ^{[2
]}

机构：

[1] Geoscience Information Center, Korea Institute of Geoscience and Mineral Resources (KIGAM), Daejeon, 305-350, 30, Gajeong-dong, Yuseong-gu

[2] Environmental Information Center, Korea Environment Institute, Seoul, 122-706, 613-2 Bulgwang-Dong, Eunpyeong-Gu

来源：

Adv. Space Res. | 2006年 / 10卷 / 2261-2271期

关键词：

Change detection; Frequency ratio; Gangneung; GIS; Landslide;

D O I：

10.1016/j.asr.2006.03.036

中图分类号：

学科分类号：

摘要：

The aim of this study was to detect landslide using satellite image and apply the landslide to probabilistic landslide-susceptibility mapping at Gangneung area, Korea using a Geographic Information System (GIS). Landslide locations were identified by change detection technique of KOMPSAT-1 (Korea Multipurpose Satellite) EOC (Electro Optical Camera) images and checked in field. For landslide-susceptibility mapping, maps of the topography, geology, soil, forest, lineaments, and land cover were constructed from the spatial data sets. Then, the sixteen factors that influence landslide occurrence were extracted from the database. Using the factors and detected landslide, the relationships were calculated using frequency ratio, one of the probabilistic model. Then, landslide-susceptibility map was drawn using the frequency ration and finally, the map was verified by comparing with existing landslide locations. As the verification result, the prediction accuracy showed 86.76%. The landslide-susceptibility map can be used to reduce hazards associated with landslides and to land cover planning. © 2006.

引用

页码：2261 / 2271

页数：10

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