[1]赵宗权,周亮广.江淮分水岭地区旱灾风险评估[J].水土保持研究,2017,24(01):370-375.
　ZHAO Zongquan,ZHOU Liangguang.Assessment on Drought Disaster Risk in Jianghuai Watershed Region[J].Research of Soil and Water Conservation,2017,24(01):370-375.
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江淮分水岭地区旱灾风险评估

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 24 期数: 2017年01期 页码: 370-375 栏目: 出版日期: 2017-02-28
Title:
Assessment on Drought Disaster Risk in Jianghuai Watershed Region
作者:
赵宗权1,2, 周亮广1,2
1. 滁州学院 地理信息与旅游学院, 安徽 滁州 239000;
2. 滁州学院 安徽地理信息集成应用协同创新中心, 安徽 滁州 239000
Author(s):
ZHAO Zongquan1,2, ZHOU Liangguang1,2
1. College of Geographic Information and Tourism, Chuzhou University, Chuzhou, Anhui 239000, China;
2. Anhui Center for Collaborative Innovation in Geographical Information Integration and Application, Chuzhou University, Chuzhou, Anhui 239000, China
关键词:
旱灾; 风险评估; 主成分分析; 江淮分水岭地区
Keywords:
drought; risk assessment; principal component analysis; Jianghuai Watershed Region
分类号:
X423;S423
摘要:
利用江淮分水岭地区气象、遥感和社会经济统计数据，从旱灾致灾因子、承灾体、孕灾环境和防灾减灾措施4个方面选取了8个指标构建旱灾风险评估体系，通过主成分分析和分层构权主成分分析对该区2000—2010年旱灾风险等级分布进行了评价。研究表明：由于分层构权主成分分析法进行了更为客观的赋权，因而使研究区旱灾风险等级的区分度更加明显；时间上，2000—2010年江淮分水岭旱灾风险等级有降低的趋势，较低以上的干旱风险等级地区面积增加了约19.8%；空间上，高风险等级主要集中在中部地区，南部地区（来安、滁州、全椒、合肥、肥西、金安、裕安等）风险等级整体上低于北部地区（凤阳、定远、淮南、寿县等）。
Abstract:
Using the data of meteorology, remote sensing and social-economy statistics of Jianghuai watershed area, we selected eight indicators to build drought risk assessment system from the aspects of hazard factors, hazard-affected body, pregnant disaster environment, disaster prevention and mitigation measures. Also, the drought risk level in 2000—2010 in the area was evaluated through the method of the principal component analysis and multi-layer weighted principal component analysis. The results showed that the multi-layer right of principal component analysis was more suitable for evaluating the risk level differentiation; the drought risk level had the decreasing tendency from 2000 to 2010, the area with low drought risk level increased in about 19.8%. The risk level in southern area (Lai’an, Chuzhou, Quanjiao and Hefei, Feixi, Jin’an, Yu’an, etc.) was substantially lower than that of northern ones (Fengyang, Dingyuan, Huainan, Shouxian, etc.) and high risk level mainly concentrated in the central area.

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备注/Memo

收稿日期:2015-10-29;改回日期:2016-01-10。
基金项目:安徽高校人文社科重点研究基地项目（SK2015A176）；滁州学院科技创新团队支持计划项目（CXTD201105）；安徽省高校省级质量工程项目（2014jyxm371）
作者简介:赵宗权(1992-),男,安徽阜阳人,本科,研究方向为水文水资源。E-mail:zhaozq1992@126.com
通讯作者:周亮广(1981-),男,山东桓台人,副教授,主要从事水文水资源与GIS研究。E-mail:zhouliangguang@126.com

更新日期/Last Update: 1900-01-01