Risk Assessment of Hail Disaster in Sanmenxia City
[Purposes]The frequent occurrence of hail weather during the flood season in Sanmenxia City can easily have adverse effects on local characteristic industries.By assessing the risk of hail disasters and identifying high-risk areas,scientific basis can be provided for local governments to more effectively guide disaster prevention and reduction.[Methods]The risk of hail disasters in Sanmenxia City was evaluated using data such as hail,digital elevation models,remote sensing images,fiscal revenue,and hail prevention capacity construction;The hail disaster risk assessment model for Sanmenxia City was es-tablished based on various factors and their weights.The hail disaster risk index for each factor was quan-titatively calculated,and the hail disaster risk index for Sanmenxia City was obtained by overlaying vari-ous data,high and low risk areas were divided.[Findings]It was found that high-risk and medium high risk areas were mainly concentrated in the river valleys on the north and south sides of Xiaoshan Moun-tain,whose area accounts for 24%of the city's total area.[Conclusions]Special attention should be paid to the hail prevention and disaster reduction work in the above areas,and the evaluation results can pro-vide theoretical reference and guidance for hail prevention and reduction,as well as industrial develop-ment in Sanmenxia City.
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