Ardhian, Abu Aizhar Raihan (2027) Pendugaan Kawasan Rawan Longsor Menggunakan Sistem Informasi Geografis Di Sub DAS Bangsal Mojokerto. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Landslides are a natural phenomenon that often occur in Indonesia, especially in areas with a humid and hot climate and varied topography. Mojokerto Regency is one of the areas prone to landslides, especially in the Bangsal Sub-Watershed. Landslides are triggered by a combination of factors such as high rainfall, steep slopes, unstable soil conditions, and lack of vegetation cover. This study aims to identify the main factors causing landslides and map the level of landslide vulnerability in the Bangsal Sub-watershed of Mojokerto using a Geographic Information System (GIS). This study includes primary data covering the physical and chemical properties of the soil, and secondary data covering annual rainfall, soil type, geology, land cover, and slope inclination, which are analysed using ArcGis software. The methods used were overlay and indicator weighting and scoring of each parameter based on BNPB Regulation No. 2 of 2012 to produce a landslide vulnerability map. The results of this study show that there are three classifications of landslide vulnerability in the Bangsal Sub-Watershed, namely moderate class with an area of 3.1 ha or 0.06%, high class with an area of 4,708.32 ha or 98.85%, and very high class with an area of 51.49 or 1.09%.
| Item Type: | Thesis (Undergraduate) | ||||||||||||
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| Subjects: | S Agriculture > S Agriculture (General) > S590-599.9 Soils. Soil science | ||||||||||||
| Divisions: | Faculty of Agriculture > Departement of Agritechnology | ||||||||||||
| Depositing User: | Abu Aizhar Raihan Ardhian | ||||||||||||
| Date Deposited: | 10 Dec 2025 07:10 | ||||||||||||
| Last Modified: | 10 Dec 2025 07:10 | ||||||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/48158 |
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