摘要
依据自然灾害风险形成原理,综合考虑安徽省自然和社会经济状况,从致灾因子的危险性、承载体的暴露性和脆弱性、防灾减灾能力四个方面选取指标,利用自然灾害风险指数法、熵组合权重法以及加权综合评价法建立安徽省旱灾风险指数和涝灾风险指数评价模型。并运用GIS空间分析技术与格网GIS技术绘制出安徽省旱涝组合风险区划图。研究发现,安徽省西北部、中部旱涝组合风险较高,西南部和东北部旱涝组合灾害风险较低,这与安徽省旱、涝灾害历史资料基本吻合,该研究结果可以作为安徽省旱涝综合灾害管理的理论依据。
Based on the principles of natural disaster risk formation,and considering the natural and social features of Anhui Province,relevant indices are selected from the aspects of hazard of disaster-causing factor,exposure and vulnerability of bearing bodies and emergency responses and recovery capability,Natural Disaster Risk Index method,Weight Comprehensive Analysis and Analytic Hierarchy Process are used to build the assessment model of Anhui province that is Drought Risk Index（DRI） and Flood/Waterlogging Risk Index（FDRI）.The regionalization map of the DRI/FDRI in Anhui Province is built based on GIS and GRID（space scale： 5 km×5 km）.The study shown that the results fitted the history drought and flood disaster frequency-diagram quite well.This study may provide scientific reference in drought and flood/waterlogging management in Anhui Province.
出处
《灾害学》
CSCD
北大核心
2013年第1期74-78,87,共6页
Journal of Catastrophology
基金
"十二五"农村领域国家科技计划课题(2011BAD32B00-04)
全球变化研究国家重大科学研究计划(2010CB951102)
国家自然科学基金(41071326)
关键词
旱涝组合
风险评价
格网GIS
风险区划
安徽省
drought and waterlogging combination
risk assessment
gridding GIS
risk division
AnhuiProvince
