Risk Zoning of Rainstorm Disaster along Shuohuang Railway Based on Meteorological Geography Method
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Abstract:
Based on the precipitation data of automatic weather stations along Shuohuang Railway from 2016 to 2020, combined with the geographical information and socioeconomic information of administrative districts and counties, the risk zoning model of Shuohuang Railway rainstorm disasters is constructed by using the Analytic Hierarchy Process (AHP), expert scoring method and weighted comprehensive evaluation method from four factors: the risk of rainstorm disaster, the sensitivity of disaster pregnant environment, the vulnerability of bearing body and the ability of disaster prevention and mitigation. The comprehensive risk zoning map of the rainstorm disaster on the Shuohuang Railway is drawn. The results show that: the rainstorm disaster risk along the Shuohuang Railway is divided into four grades: high, secondary high, medium and low, and the risk in the East is higher than that in the West. The four high-risk sections are basically consistent with the high-frequency rainstorm information collected in each work section along the Shuohuang Railway. The results will play a good role in decision-making on risk prevention.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.