The Mapping of Flood-Prone Areas in Meureubo Sub-District, West Aceh Regency, Aceh Province, Using Geographic Information Systems (GIS)

Abstract Flooding in Meureubo Sub-District, particularly near riverbanks, is caused by river overflow during the rainy season, inundating residential areas. This study aims to identify the distribution, extent, and mapping of flood-prone areas in Meureubo, West Aceh Regency, Aceh Province. It is a quantitative descriptive study that analyzes and maps flood vulnerability levels, determining flood hazard zones. The parameters used include slope maps, soil type, rainfall data, land use, and river density. The methodology involves scoring, weighting, and overlaying using ArcGIS 10.3. The study reveals that the total area of Meureubo Sub-District is 123.64 km 2 , with three flood vulnerability classifications: highly vulnerable, moderately vulnerable, and not vulnerable. The “not vulnerable” category is the most dominant, covering 66.29 km 2 (53.58%) in villages such as Bukit Jaya, Balee, Peunaga Cut Ujong, and others. The “moderately vulnerable” areas span 47.20 km 2 (38.25%), located in villages like Gunong Kleng, Paya Peunaga, Peunaga Pasi, and Ujong Tanjung. The “highly vulnerable” areas cover 10.13 km 2 (8.17%), including Pasi Mesjid, Pasi Pinang, Mesjid Tuha, Pasi Aceh Tunong, and Meureubo village.