Analysis of Flood Vulnerability Indicators in The Bengawan Jero River Flow Region, Turi District, Lamongan Regency


Natural disasters are events that are always faced by humans, one of the disasters that occur due to rain is flooding. Floods are also caused by several factors that arise due to natural and human activities themselves. One area, namely the Turi sub-district, is also included in the flood impact in the Bengawan Jero watershed. The main cause is heavy rain for hours and the lack of existing catchment areas and the overflow of reservoirs. This study aims to determine the level of flood vulnerability by analysis of 4 indicators. The method used is the analysis of vulnerability parameters according to BNPB 2012, by taking primary data and secondary data. Primary data include observations, interviews, and documentation while secondary data includes data on the inundation of flood-affected areas, data on poor people, and data on residents affected by floods from several agencies. related. The results of the study show the calculation of the largest percentage value of social vulnerability in Kepudibener Village. The percentage value is 12.9, and the score is 1 in the High-class category. The greatest physical vulnerability value is in Putat Kumpul Village with a total score of 0.700 for the Medium class category. Environmental vulnerability score Total Average score 0.466 category Medium class. The value of Economic Vulnerability totals an average score of 0.733 for the Medium class category. Total Flood Vulnerability Value is based on the sum of Social, Physical, Environmental, and Economic Vulnerability Values. From the calculation of the largest value in Kepudibener Village with the percentage of IKS 5.16%, IKE 0.18%, IKF 0.13%, IKL 0.05, with a total score of 5.52 for the High-Class Category.

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