Analisis Kerentanan Lahan Sawah Padi Terhadap Banjir DAS Cidurian Menggunakan Multi Skenario
Keywords:Vulnerability Assessment, Flood Hazard, Cidurian Watershed, Paddy Field, Perception, Landform
Renged Village, Binuang District, Serang Regency, Banten Province is area which economic condition are influenced by agriculture sector, especially in paddy field. The major floods event in the last 21 years occurred in 1994, 2001, and 2013, that caused harvest failure for farmer. The aims of research: (1) flood hazard analysis based on historical data of flood 1994, 2001, and 2013, and (2) vulnerability assessment of paddy field to the flood hazard Cidurian Watershed. Research conducted using qualitative and quantitative methods, with landform and community perception approach. The data analysis are interpolation, scoring, and weighting scenario. The result of the research shows that most of research area located in medium level of flood hazard. The high level of flood hazard is distributed in landform units: flood plain, abandoned river channels, and aluvial plain that associated with irrigation drainage. The result of vulnerability assessment shows that the highest of vulnerability index of paddy field using equal weight scenario, with index from 0 to 0.89. The lowest of vulnerability index of paddy field using crop phase weight scenario, with index from 0 to 0.77. The high level vulnerability of paddy field is distributed in landform units: flood plain and aluvial plain that associated with irrigation drainage.
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