Compared the three methods,found that the entropy weight method can highlight the medium and high risk of local areas,and the combination method balances the common influence of entropy weight method and AHP method,and also can make dynamic evaluation with data update,which is conducive to ...
熵权法组合法本研究结合主观与客观灾害评估,利用西宁地区的地理信息,水系,土地利用,社会经济,气象要素,灾害等信息,运用层次分析法,熵权法,AHP-熵权组合法对西宁地区5区2县暴雨灾害进行风险评估.结果表明:暴雨灾害高风险面积占比最大是城北区,其次是湟源县,大通县和湟中区.较高以上风险面积占比超过50%乡镇与后期灾情...