广西壮族自治区洪水灾害经济损失评价
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水利部公益项目“水旱灾害分级管理技术标准体系研究”(200801041)


Evaluation of Economic Losses of Flood Disaster in Guangxi Zhuang Autonomous Region
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    摘要:

    基于广西壮族自治区1998—2007年的统计数据,从洪水灾害经济损失、不稳定度、洪水灾害经济损失对GDP的贡献率以及洪水灾害经济损失指数共4方面对广西地区洪水灾害的经济损失进行了评价研究。结果表明,灾害程度是影响该区洪水灾害经济损失的主要原因,洪水灾害农业经济损失占总经济损失的比重保持在5%~15%;区内环境不稳定度的年际变化较大,总体趋势逐年下降;洪水灾害经济损失占GDP的比重为0.5%~9%;洪水灾害损失指数能反映洪水灾害致灾因子年际变率和孕灾环境的不稳定性,能够很好地评价洪水灾害经济损失,同时为洪水灾害发生时能快速评估出洪水灾害的损失及洪水灾害防治提供方法和依据。建议加强对较大洪水的防御能力,加大该地区的农业基础投资力度,提高各类防治工程的防洪标准。

    Abstract:

    Based on the statistics data from 1998 to 2007 in Guangxi Zhuang Autonomous Region,four factors:economic loss of flood,inst ability,contribution of economic loss to GDP,evaluation index of economic loss were used to assess the economic loss of flood disaster in this region.The results indicate that economic loss of flood is mainly affected by the hazard level.The proportion of the economic loss of agriculture maintains at 5%~15% of the total loss.The annual change of environmental instability in the region f luctuates obviously,but mainly with a declining trend year by year.The flooding economic loss is 0.5%~9.0% of GDP.The indexes of flooding loss can not only tell the annual change of the aroused factors of flood,the instability of the environment bearing disasters,but also accurately evaluate the flooding economic loss.At the same time,the indexes can be used as a method for instante valuation and preventions of the flooding loss and when flood takes place.According to the assessment results,the government is suggested to strengthen the defense capability of larger flood,increase investment in agricultural infrastructure and improve flood control standards of all prevention projects.

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肖红霞,齐实,李思扬,王则一,王劲修,张广分.广西壮族自治区洪水灾害经济损失评价[J].水土保持通报,2011,(4):232-236

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  • 收稿日期:2010-12-22
  • 最后修改日期:2011-01-16
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  • 在线发布日期: 2014-11-26
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