ANALISIS KERAWANAN LONGSOR LAHAN DI KECAMATAN NGARGOYOSO KABUPATEN KARANGANYAR TAHUN 2023

Indonesian Journal of Environment and Disaster Pub Date : 2023-10-28 DOI:10.20961/ijed.v2i2.822

M. Annas, Chatarina Muryani, Setya Nugraha

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Abstract

Karanganyar Regency is one of the districts in Central Java that has natural disasters in the form of landslides caused by varying slopes, with Ngargoyoso District having a high level of landslide vulnerability. This research aims to determine the vulnerability to landslides in Ngargoyoso District. The method involves analyzing land units using scoring and weighting of six key parameters: slope, rock structure, soil type, fault location, rainfall, and land vegetation cover, which are then arranged as an overlay. The research results identified 94 land units divided into two classes of vulnerability to landslides: medium class and high class. The medium vulnerability class covers an area of 3,063.90 hectares or around 49.63% of the total area of Ngargoyoso District. In comparison, the high vulnerability class has an area of 3,063.90 hectares, or around 50.37% of the total area of the subdistrict. These results provide a clear picture of the vulnerability to landslides in the region, which can be used as a basis for disaster mitigation planning and better land management.

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2023 年卡兰加亚尔地区 Ngargoyoso 分区山体滑坡脆弱性分析

Karanganyar 县是中爪哇省因坡度不一造成山体滑坡等自然灾害的县之一，其中 Ngargoyoso 县的山体滑坡易发程度较高。本研究旨在确定 Ngargoyoso 地区易受山体滑坡影响的程度。该方法包括通过对坡度、岩石结构、土壤类型、断层位置、降雨量和土地植被覆盖度这六个关键参数进行打分和加权来分析土地单元，然后将其叠加排列。研究结果表明，94 个土地单元被划分为两个易受滑坡影响的等级：中级和高级。中等易受滑坡影响等级的面积为 3,063.90 公顷，约占 Ngargoyoso 地区总面积的 49.63%。相比之下，高脆弱等级的面积为 3,063.90 公顷，约占该分区总面积的 50.37%。这些结果清楚地说明了该地区易受山体滑坡影响的程度，可作为减灾规划和改善土地管理的依据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Indonesian Journal of Environment and Disaster

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