Kajian Kerawanan Longsorlahan Berbasis Sistem Informasi Geografis Di Kecamatan Dagangan Kabupaten Madiun Tahun 2020

Anita Kumalasari, Dwi and , Agus Anggoro Sigit, S. Si, M. Sc (2021) Kajian Kerawanan Longsorlahan Berbasis Sistem Informasi Geografis Di Kecamatan Dagangan Kabupaten Madiun Tahun 2020. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

Landslides are a disaster that occurs in Dagangan District due to the diverse topography because they are located in the Wilis mountain area, the slope of which varies from flat to very steep (> 45%). Data from BPBD in the last 5 years from 2015-2019 there were 35 landslide events. In the analysis of landslide disaster areas using five parameters, namely slope parameters, geological parameters, rainfall parameters, soil type parameters and land use parameters, using the arcGIS software. The objectives of this study are 1) to analyze the level of landslide vulnerability in Dagangan District in 2020, 2) to analyze the dominant factors that cause the level of landslide potential in the study area and 3) to analyze the spatial suitability between the potential vulnerability and actual landslide vulnerability in the study area The research method used the indirect survey method based on sensing, the sampling in the study used the purposive method, namely taking samples based on special characteristics in accordance with the objectives. Methods of data analysis using the scoring method, dominant factor frequency table and overlay / overlapping. This research resulted in 1) The results of landslide hazard which has 3 levels of vulnerability, namely the most dominant high hazard level, there are 13 land units, namely V2-III-RL, V2-III-R-SB, V2-IV-ML, V2-IV. - RH, V2-IV-RL, V2-IV-RP, V2-IV-RS, V2-VRH, V2-VR-SB, V1-IV-RH, V1-IV-R-SB, V1-VRH and V1 - VRL, medium class has 9 land units namely V3-II-ML, V2-II-MP, V2-II-MS, V2-II-RH, V2-II-RS, V2-II-R-SB, V2- III -RH and V1-IRH and low class have 9 land units namely V3-I-Al-L, V3-I-Al-S, V3-IMP, V3-IMS, V2-I-Al-P, V2-IMH , V2-IMS, V2-IRH and V2-III-Al-S. 2) The dominant factors causing landslides are soil type and slope. 3) spatial suitability between potential landslide hazard and actual landslide hazard

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	Kerawanan, Longsorlahan Satuan Lahan, Faktor Dominan, Software ArcGIS
Subjects:	G Geography. Anthropology. Recreation > G Geography (General)
Divisions:	Fakultas Geografi > Geografi Fakultas Geografi > Geografi Fakultas Geografi > Geografi
Depositing User:	Unnamed user with username e100172335
Date Deposited:	30 Apr 2021 06:52
Last Modified:	30 Apr 2021 06:52
URI:	http://eprints.ums.ac.id/id/eprint/90744

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