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Geographic Information System Application for Preparing Erosion Hazard Model in Logawa River sub-Watershed of Banyumas Regency

By Eko Setiawan

Abstract

Soil erosion is defined as an event of missing or eroded soil or part of the soil from one place to another, whether caused by movement of water, wind, or ice. The Iconic Model is a model that presents an aspect of the real world using a single symbol or icon. The iconic model produces information in the form of two or three dimensions. This study aims to determine the erosion hazard model in Logawa sub-watershed of Banyumas Regency. The method used in this research is literature study method. Data consists of secondary data in the form of slope slope map, land use map, ground type banana and rainfall map in Logawa Sub-DAS. Data processing method using Geographic Information System Application (GIS), ArcView GIS 3.3. Data analysis used overlays on all four maps to obtain scores and categories of erosion hazards. The result of this research is erosion hazard model. There are 5 categories of erosion hazard with the area in a row is the category of high erosion with an area of 3,640.56 Ha, the category of Low erosion with an area of 3,071,79 Ha, the category of erosion Medium with an area of 2986.86 Ha, the category Very Low erosion with an area of 1866, 24 Ha, and very high erosion category with an area of 63.70 Ha

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Publisher: 'Lembaga Publikasi Ilmiah dan Penerbitan Universitas Muhammadiyah Purwokerto'
Year: 2017
OAI identifier: oai:ojs.jurnalnasional.ump.ac.id:article/1908

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