Evidence Based Landslide Hazard Mapping in Purworejo using Information Value Model Approach

Forum Geografi

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Field Value
Title Evidence Based Landslide Hazard Mapping in Purworejo using Information Value Model Approach
Creator Sudaryatno, Sudaryatno
Widayani, Prima
Wibowo, Totok Wahyu
Wiratmoko, Bagus
Nurbandi, Wahyu
Subject Geosciences, Geography
landslide, hazard, Information Value Model
Hazard Mapping
Description Purworejo District, which is located in Central Java, Indonesia, is prone to landslides. These are a natural hazard that often occur in mountainous areas, so landslide hazard analysis is needed to develop mitigation strategies. This paper elaborates on the use of an evidence-based statistical approach using the Information Value Model (IVM) to conduct landslide hazard mapping. The parameters of slope, aspect, elevation, rainfall, NDVI, distance from rivers, distance from the road network, and distance from faults were employed for the analysis, which was conducted based on a raster data environment, since the pixel is the most appropriate means to represent continuous data. Landslide evidence data were collected by combining secondary data and interpreting satellite imagery to identify old landslides. The IVM was successfully calculated by combining factors related to disposition to landslides and data on 19 landslide occurrences. The results helped produce a landslide susceptibility map for the northern and eastern parts of Purworejo District.
Publisher Universitas Muhammadiyah Surakarta
Contributor Ministry of Research, Technology and Higher Education of Republic of Indonesia
Date 2019-08-01
Type info:eu-repo/semantics/article

Raster Based GIS Analysis
Format text/html
Identifier http://journals.ums.ac.id/index.php/fg/article/view/7592
Source Forum Geografi; Vol 33, No 1 (2019): July 2019; 25-38
Language eng
Relation http://journals.ums.ac.id/index.php/fg/article/view/7592/4696
Coverage Purworejo District

Rights Copyright (c) 2019 Sudaryatno Sudaryatno, Prima Widayani, Totok Wahyu Wibowo, Bagus Wiratmoko, Wahyu Nurbandi

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