E3S Web Conf.
Volume 125, 2019The 4th International Conference on Energy, Environment, Epidemiology and Information System (ICENIS 2019)
|Number of page(s)||6|
|Published online||28 October 2019|
Geomorphology and Landslide-Prone Area in Cisolok District, Sukabumi Regency
1 Bachelor of Geography, Faculty of Mathematics and Natural Science, University of Indonesia, Depok - Indonesia
2 Department of Geography, Faculty of Mathematics and Natural Science, University Indonesia, Depok - Indonesia
* Corresponding author: email@example.com
Sukabumi District located in Southern West Java known as a region that has diverse natural characteristics, however, it is vulnerable to disasters, especially landslides. Moreover, this study focuses on Cisolok District because this region always occurred landslides every year due to topography aspect. The aim of this study is to analyze the influence of geomorphology to landslide-prone area in Cisolok District to reduce landslides. This study used overlay analysis for geomorphology mapping, while the Frequency Ratio (FR) method used for landslide-prone area mapping. Several physical variables used in this study such as slope, elevation, lithology, geological structure, road network, stream network, land use, soil type, rainfall, and landslide location. The result shows that the study areas have diverse geomorphology units dominated by volcanic slope with steep topography. While landslide-prone area consist of four classes : namely 17,03% low, 62,05% medium, 14,4% high, and 6,51% very high. Variety of landslide vulnerability in study area influenced by terrain form, land genesis, and geomorphic process.
Key words: Mapping / Geomorphology / Landslide-prone Areas / Frequency Ratio
© The Authors, published by EDP Sciences, 2019
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