气象与减灾研究
氣象與減災研究
기상여감재연구
METEOROLOGY AND DISASTER REDUCTION RESEARCH
2013年
3期
57-62
,共6页
陈鑫%缪启龙%俞布%沈伟风%宋健
陳鑫%繆啟龍%俞佈%瀋偉風%宋健
진흠%무계룡%유포%침위풍%송건
干旱%风险%模糊综合评价%空间分析
榦旱%風險%模糊綜閤評價%空間分析
간한%풍험%모호종합평개%공간분석
Drought%Risk%Fuzzy comprehensive assessment%Space superimposition
根据杭州市1959-2010年降水资料、自然环境以及社会经济要素,综合致灾因子、孕灾环境、承灾环境及防灾减灾能力,构建区域干旱灾害风险评价模型。通过ArcGIS空间分析技术结合模糊综合评价法,编制以100 m×100 m栅格为基本评价单元的杭州市伏、秋旱灾害风险区划图。区划结果表明,淳安西北部、建德中南部、桐庐中部、富阳南部、临安东部以及余杭、主城区,伏旱、秋旱灾害风险均较高。
根據杭州市1959-2010年降水資料、自然環境以及社會經濟要素,綜閤緻災因子、孕災環境、承災環境及防災減災能力,構建區域榦旱災害風險評價模型。通過ArcGIS空間分析技術結閤模糊綜閤評價法,編製以100 m×100 m柵格為基本評價單元的杭州市伏、鞦旱災害風險區劃圖。區劃結果錶明,淳安西北部、建德中南部、桐廬中部、富暘南部、臨安東部以及餘杭、主城區,伏旱、鞦旱災害風險均較高。
근거항주시1959-2010년강수자료、자연배경이급사회경제요소,종합치재인자、잉재배경、승재배경급방재감재능력,구건구역간한재해풍험평개모형。통과ArcGIS공간분석기술결합모호종합평개법,편제이100 m×100 m책격위기본평개단원적항주시복、추한재해풍험구화도。구화결과표명,순안서북부、건덕중남부、동려중부、부양남부、림안동부이급여항、주성구,복한、추한재해풍험균교고。
Based on the 1959-2010 pr ecipitation data combined with the natural environment and the society economic factors of Hangzhou city, a regional drought risk disaster assessment model including disaster environment factor, disaster prevention and mitigation disaster capacity, was built up to analyze disaster prevention ability. By using the ArcGIS spatial analysis technology, combined with fuzzy comprehensive evaluation method, the autumn drought disaster risk zoning based on the 100 m ×100 m evaluation grid as the basic unit of Hangzhou city was established. The results show that, in the northwest of Chun'an, central and southern Jiande, central Tonglu, southern Fuyang, eastern Lin'an and Yuhang and the main urban areas, summer and autumn drought disaster presented higher risk.