Research on Risk Zoning of Rainstorm and Flood Disaster in Qinzhou City Based on GIS
With the global warming and frequent meteorological disasters,rainstorm and flood disasters have become one of the most serious meteorological disasters affecting people's production and life.Based on daily rainfall data and relevant socioeconomic data from 2000 to 2020 in Qinzhou city,rainstorm and flood disasters were analyzed in Qinzhou city from four aspects:hazard,sensitivity,vulnerability and disaster prevention and reduction ability,using entropy weight method and weighted comprehensive evaluation meth-od,corresponding assessment model was established to analyze the risk zoning of rainstorm and flood disaster in Qinzhou city by GIS technology.This study will provide a useful reference for the decision-making of disaster prevention and reduction in Qinzhou city,so as to improve the prevention capacity of rainstorm and flood disasters in Qinzhou city.
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