Pemetaan Tingkat Keraawanan Banjir Daerah Aliran Sungai (Das) Tayu Kabupaten Pati Menggunakan Metode Weighted Overlay

Rizkiningrum, Setyarini Diah and , Dr. Annisa Trisnia Sasmi, S.Si., M.T (2026) Pemetaan Tingkat Keraawanan Banjir Daerah Aliran Sungai (Das) Tayu Kabupaten Pati Menggunakan Metode Weighted Overlay. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

Flooding is one of the hydrometeorological disasters that frequently occurs in the Tayu River Basin (DAS), Pati Regency. Flood events are influenced by various factors, such as high rainfall, relatively flat topography in the downstream area, changes in land use, and the area’s proximity to the river. This study aims to analyze the level of flood vulnerability in the Tayu River Basin using the Weighted Overlay method, assess the consistency between the flood vulnerability mapping results and the 2025 flood occurrence points based on a literature review, and analyze the distribution of flood-affected areas in 2025 across each flood vulnerability class. This study employed a quantitative descriptive method with a spatial analysis approach based on Geographic Information Systems (GIS). The mapping results were compared with the 2025 flood event locations and the distribution of flood-affected areas derived from the interpretation of Sentinel-1 imagery via Google Earth Engine to determine the level of agreement. The results show that flood vulnerability in the Tayu River Basin is divided into three classes: low vulnerability covering 3.388,55 hectares, moderate vulnerability covering 4.052,36 hectares , and high vulnerability covering 2.156,51 hectares.

Item Type: Thesis (Skripsi)
Uncontrolled Keywords: Banjir, DAS Tayu, SIG, Weighted Overlay
Subjects: G Geography. Anthropology. Recreation > GB Physical geography
G Geography. Anthropology. Recreation > GB Physical geography > GB3 Hydrology
G Geography. Anthropology. Recreation > GE Environmental Sciences > Natural disasters
Divisions: Fakultas Geografi > S1 Geografi
Depositing User: SETYARINI DIAH RIZKININGRUM
Date Deposited: 19 Aug 2026 06:19
Last Modified: 19 Aug 2026 06:19
URI: http://eprints.ums.ac.id/id/eprint/148672

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