Vulnerability and Its Changes of Flood Disaster-bearing Bodies in Xiangqiao District of Chaozhou City

SHANG Zhi-hai; LIU Hua; XING Wei-chun

doi:10.13961/j.cnki.stbctb.2014.05.056

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Vulnerability and Its Changes of Flood Disaster-bearing Bodies in Xiangqiao District of Chaozhou City

- Vulnerability and Its Changes of Flood Disaster-bearing Bodies in Xiangqiao District of Chaozhou City
- Bulletin of Soiland Water Conservation Vol. 33, Issue 5, Pages: 267-271(2014)
- 作者机构：
  
  1. 岭南师范学院地理系,广东,湛江,524048
  2. 嘉应学院地理科学与旅游学院,广东,梅州,514015
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2014.05.056
  CLC：
- Published：2014
- 稿件说明：
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SHANG Zhi-hai, LIU Hua, XING Wei-chun. Vulnerability and Its Changes of Flood Disaster-bearing Bodies in Xiangqiao District of Chaozhou City[J]. Bulletin of Soiland Water Conservation, 2014, 33(5): 267-271.
DOI：

SHANG Zhi-hai, LIU Hua, XING Wei-chun. Vulnerability and Its Changes of Flood Disaster-bearing Bodies in Xiangqiao District of Chaozhou City[J]. Bulletin of Soiland Water Conservation, 2014, 33(5): 267-271. DOI： 10.13961/j.cnki.stbctb.2014.05.056.

摘要

基于突变理论

选取城市人口状况、城市经济状况、生命线工程状况、城市环境状况等指标

构建洪涝灾害易损性评价指标体系。在理论分析的基础上

将评价模型应用于广东省潮州市湘桥区2000-2010年洪涝灾害易损性综合评价中。结果表明

湘桥区洪涝灾害承灾体易损性在波动中有所减小

其易损性变化有两个转折点

分别是2004和2008年。影响承灾体易损性变化的主要因素是人口自然增长率和建成区绿化覆盖率。可以通过以下途径降低该区洪涝灾害易损性:(1)控制人口增长速度;(2)增加建成区绿化覆盖率;(3)增加排水管网密度。

Abstract

Based on catastrophe theory

an evaluation system of flood disaster-bearing bodies' vulnerability was constructed by indexes of the conditions of population

economy

lifeline engineering and environment. Then

the model was used to evaluate the vulnerability in Xiangqiao district in Chaozhou City of Guangdong Province during 2000 to 2010. The results showed that vulnerability in Xiangqiao district decreased in fluctuation

and it had two turning-points in 2004 and 2008

the main influencing factors of which were population growth and vegetation coverage rate. Several measures should be taken to reduce the vulnerability of flood disaster-bearing bodies in the study area

which include to control the increase of population

to increase the coverage of vegetation

and to increase the density of drainage pipe network.

关键词

Keywords

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