Journal of Degraded and Mining Lands Management
Vol 10, No 4 (2023)

Spatio-temporal of landslide potential in upstream areas, Bali tourism destinations: remote sensing and geographic information approach

I Wayan Diara (Soil Sciences and Environment, Faculty of Agriculture, Udayana University)
I Ketut Agus Wahyu Wiradharma (Soil Sciences and Environment, Faculty of Agriculture, Udayana University)
R Suyarto (Spatial Data Infrastructure Development Center (PPIDS), Udayana University)
W Wiyanti (Spatial Data Infrastructure Development Center (PPIDS), Udayana University)
Moh Saifulloh (Spatial Data Infrastructure Development Center (PPIDS), Udayana University)



Article Info

Publish Date
01 Jul 2023

Abstract

Upstream Bali has tourist destinations with beautiful natural panoramas such as mountains, forest areas, and lakes. Characteristics of the area with steep slopes, high rainfall, and altitude above 1,500 masl. The area is inseparable from the threat of disasters, such as landslides, especially in the Baturiti District. This area often experiences landslides but has not been mapped spatially. Mitigation efforts are needed to minimize the impact of landslides. This study aimed to determine the potential for landslides and their distribution in different periods, namely 2000, 2010, and 2020. The scoring method considers four parameters: rainfall, slope, soil type, and vegetation density, using ArcGIS 10.8 Apps. Parameters extracted from remote sensing data include Landsat with ETM+ and OLI sensors, rainfall from the CHIRPS satellite, and slopes from DEMNAS. Geographic Information System (GIS) data includes soil types. Another role of GIS is to quantify raster data to build a landslide potential prediction model. Baturiti Subdistrict has a low to high potential for landslides, which are administratively distributed in Candikuning, Baturiti, Antapan, Batunya, and Bangli villages. The landslide potential in the high category in 2000, 2010, and 2020 respectively, is 70.12 ha (1%), 597.05 ha (5%), and 39.12 ha (1%). Based on the findings of this study, the leading cause of landslides is high rainfall followed by reduced vegetation density. Other factors include steep slopes (>45%) and soil types of Andosol and Regosol.

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Journal Info

Abbrev

jdmlm

Publisher

Subject

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

Description

Journal of Degraded and Mining Lands Management is managed by the International Research Centre for the Management of Degraded and Mining Lands (IRC-MEDMIND), research collaboration between Brawijaya University, Mataram University, Massey University, and Institute of Geochemistry, Chinese Academy of ...