| 基于GIS的南宁市暴雨洪涝灾害风险评估与区划 |
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| 引用本文： | 梁玉莲,黄丹萍,黎美宏,杨宇红,莫建飞.基于GIS的南宁市暴雨洪涝灾害风险评估与区划[J].气象科技,2013,41(5):934-939. |
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| 作者姓名： | 梁玉莲 黄丹萍 黎美宏 杨宇红 莫建飞 |
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| 作者单位： | 1 中国科学院大气物理研究所，北京 100029； 2 中国科学院研究生院，北京 100049； 3 南宁市气象局，南宁 530028;南宁市气象局，南宁 530028;南宁市气象局，南宁 530028;南宁市气象局，南宁 530028;广西气象减灾研究所,南宁 530022 |
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| 基金项目： | 南宁市科学研究与技术开发计划项目（201102078C）资助 |
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| 摘 要： | 用南宁市气象数据、自然地理数据和社会经济数据,组成自然致灾因子易发性、孕灾环境敏感性、承灾体易损性和防灾减灾能力4个指标,借助GIS的空间分析和叠加分析功能,构建南宁市暴雨洪涝灾害风险评估指标体系,得出南宁市1000m×1000 m为单元的暴雨洪涝灾害综合风险区划图.结果表明,南宁市范围内发生洪涝灾害风险最高的处于宾阳,其中危险性最高的地区处于宾阳县的东部和北部,脆弱性最高的地区则处于宾阳县的中部和横县的东南部地区.该风险区划结果基本反映了南宁市暴雨灾害的潜在风险.暴雨洪涝灾害防御的重点区域应放在风险较高的区域.
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| 关 键 词： | GIS 洪涝灾害 风险评估 指标体系 防灾减灾 |
| 收稿时间： | 6/8/2012 12:00:00 AM |
| 修稿时间： | 2012/10/9 0:00:00 |
GIS Based Assessment and Zoning of Rainstorm and Flooding Disaster Risk in Nanning |
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| Liang Yulian,Huang Danping,Li Meihong,Yang Yuhong and Mo Jianfei.GIS Based Assessment and Zoning of Rainstorm and Flooding Disaster Risk in Nanning[J].Meteorological Science and Technology,2013,41(5):934-939. |
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| Authors: | Liang Yulian Huang Danping Li Meihong Yang Yuhong and Mo Jianfei |
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| Institution: | Liang Yulian Huang Danping Li Meihong Yang Yuhong Mo Jianfei (1 Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029; 2 Graduate University of the Chinese Academy of Sciences, Beijing 100049 ; 3 Nanning Meteorological Service, Nanning 530028 4 Guangxi Meteorological Disaster Mitigation Institute, Nanning 530022) |
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| Abstract: | Using weather, physical geographic and socio-economic data of Nanning, four indexes of natural disaster-making factors are constituted： susceptibility, disaster-hitting environment sensitivity, disaster- bearing object vulnerability, and disaster prevention and reduction capability. With GIS technology, the rainstorm and flooding risk assessment index system is established, and the rainstorm and flooding risk of Nanning was zoned in 1000 m× 1000 m cells. Results show that the area with the highest risk of storms and flooding disasters is Binyang. Thereinto, the most seismic risk area is in the north and east of Binyang, and the most fragility area is in the middle of Binyang, as well as southeast of Hengxian. The zoning result reveals the distribution of potential risk of rainstorms and flooding disasters in Nanning. Key disaster prevention measures for rainstorms and flooding disasters should focus on the high risk area. |
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| Keywords: | GIS flooding disaster risk assessment index system disaster prevention and reduction |
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