基于网格GIS的安徽省旱涝组合风险区划  

Drought and Waterlogging Combination Disaster Risk Zoning in Anhui Province Based on Gridding GIS

作　　者：孙仲益[1] 张继权[1] 王春乙[2] 严登华 刘兴朋[1] 佟志军[1] 段胜武[1] 

机构地区：[1]东北师范大学城市与环境科学学院,东北师范大学自然灾害研究所,吉林长春130024 [2]海南省气象局,海南海口570100 [3]中国水资源和水利研究院,北京100038

出　　处：《灾害学》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)

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.

关 键 词：旱涝组合 风险评价 格网GIS 风险区划 安徽省 

分 类 号：P429[天文地球—大气科学及气象学] X43[环境科学与工程—灾害防治]