城市雪灾风险评价指标体系与概念模型
首发时间:2012-12-07
摘要:城市雪灾是一种突发性强、影响性大、处置救助较为困难的气象灾害之一,历史上每次出现的雪灾都给城市带来了巨大的损失。本文依据自然灾害风险理论,根据自然灾害风险形成机制,阐述了城市雪灾的相关基本概念,在此基础上构建了城市雪灾风险评价概念框架,充分考虑城市作为承灾体的特殊性提出了城市雪灾风险评价指标体系,利用加权综合评价法、模糊综合评判法和层次分析法建立了城市雪灾风险评价模型,为城市雪灾风险定量评价研究提供了依据。
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Indicator System and Conceptual Model of Risk Assessment of Urban Snow Disaster
Abstract:Urban snow disaster is a kind of meteorological disasters with abruptness, severe infection and difficult to disposal and relief. It has brought huge economic losses to the citizen when it happened in history. According to natural disaster risk analysis rules and risk formation theory, basic procedure for risk assessment of urban snow disaster is presented. Risk assessment indicators and conceptual model of urban snow disaster are built.. Taking the specificity of urban as hazard-bearing body into consideration, assessment model and indicators system of urban snow disaster were established by WCA, AHP and fuzzy comprehensive evaluation. This paper will provide a solid theory for quantitative study on risk assessment of urban snow disaster.
Keywords: urban snow disaster risk assessment indicators system assessmen model
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