ANALISIS INDEKS KERENTANAN BENCANA BANJIR DI KECAMATAN SUNGAI PAGU KABUPATEN SOLOK SELATAN

Abstrak

The study aims to determine the analysis of flood disaster vulnerability index in Sungai Pagu Subdistrict, South Solok Regency. This type of research is a survey research using the matching factor method. The data to complete this study are secondary data obtained from the Wali Nagari Office in Sungai Pagu District using data analysis techniques that refer to Perka BNPB No. 2 of 2012 with a high vulnerability index of> 40%, moderate 20-40%, and low <20%. Population density refers to BNPB (2016), with a high vulnerability index> 10 lives / ha, moderate 5-10 lives / ha, and low <5 lives / ha. For houses with rivers the vulnerability index is high <25 meters, moderate 25-100 meters, and low> 100 meters. Sungai Pagu District has a high flood hazard index with an area of ​​2,999.94 Ha, moderate 2,389.28 Ha, and low 14,856 Ha. The results of this study are: (1) The economic vulnerability index based on the poverty ratio in Sungai Pagu District has a high vulnerability index of 5 villages, medium 4 villages, and low 2 villages. (2) Flood disaster social vulnerability index consists of a) population density, b) age group ratio, c) sex ratio, d) ratio of people with disabilities. The population density ratio has a high vulnerability index of 1 nagari, medium 2 nagari, and low 8 nagari. The age group ratio has a high vulnerability index of 3 villages, medium 3 villages, and low 5 villages. The sex ratio has a high vulnerability index in every 11 villages which means the percentage is> 40%. The ratio of people with disabilities has a low vulnerability index in every 11 villages which means the percentage <20%. (3) Flood disaster physical vulnerability index consists of, a) the ratio of terraced houses and b) the distance of houses to rivers. The terraced house ratio has a high vulnerability index of 2 villages, medium 1 village and low 8 villages. The distance between the house and the river has a height index of 7 villages, medium 2 villages and a low 2 villages.