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All Journal Al-DYAS : Jurnal Inovasi dan Pengabdian kepada Masyarakat
Dityatari, Dityatari
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Analisis Dampak Bencana Banjir Lahar Dingin terhadap Ketahanan Pangan di Kecamatan Lima Kaum Kabupaten Tanah Datar Dityatari, Dityatari; Caesario, Dipo
Al-DYAS Vol 4 No 3 (2025): OKTOBER
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/aldyas.v4i3.7669

Abstract

This study is motivated by the cold lahar flood disaster, which caused significant damage to agricultural land and directly affected local food security. The objectives of the research are to (1) identify areas affected by cold lahar flooding in Lima Kaum District and (2) analyze its impact on local food security. A quantitative descriptive method with a spatial approach was used to identify land damage, alongside the Damage and Loss Assessment (DaLA) method to estimate production losses due to the disaster. Data were collected through field observations and satellite image interpretation, and analyzed using Geographic Information Systems (GIS). The findings show that 72.27 hectares of rice fields were affected, with an estimated economic loss of Rp2.89 billion per harvest season. Additionally, supporting infrastructure such as roads, bridges, and irrigation channels suffered damage, disrupting physical access to food, particularly within the first seven days after the disaster. The impact on food security was observed primarily in the decline of local food availability, especially reduced rice yields, which are the main food source for the community. The study concludes that cold lahar flooding poses serious implications for the sustainability of local food systems. Therefore, spatially based disaster mitigation strategies and the protection of productive agricultural land are essential to maintaining food security in disaster-prone areas.
Co-Authors Caesario, Dipo