城市生命线系统暴雪冰冻灾害链分析  

Analysis on Disaster Chains of Urban Lifeline System in Heavy Snow-Freezing Weather

作　　者：周靖[1] 马石城[1] 赵卫锋[1] 

机构地区：[1]湘潭大学土木工程系,湖南湘潭411105

出　　处：《灾害学》2008年第4期39-44,共6页Journal of Catastrophology

基　　金：湖南省科技计划项目(2007CK3066)

摘　　要：预防和减轻城市生命线系统的灾害危险性是防灾减灾中的热点问题。随着自然灾害突发强度、频度和广度的不断增长,自然灾害预防工作显得格外重要。城市作为人口集聚、国民经济、社会发展重要区域和战略中心,自然灾害带来的损失是剧烈、致命的,亟待开展城市生命线系统灾害风险研究。通过对低温暴雪冰冻灾害特点的分析和总结,提出用灾害链理论来研究城市生命线系统的暴雪冰冻灾害问题。介绍了城市生命线系统灾害的相关概念,分析了城市生命线系统暴雪冰冻灾害链的致灾原因、形成过程和主要灾害链类型,最后论述了防灾减灾对策。Prevention and reduction of the hazard risk of urban lifeline system is a hot issue in disaster prevention and mitigation. With the constant increase in intensity, frequency and extent of natural disasters, natural disaster prevention is very important. City is the center of concentrated population, economic and social development and strategic focus and the losses caused by natural disasters in cities are always intensive and fatal. So, it is urgent to carry out the research on hazard risk of the urban lifeline system. Based on the analysis and summary of characteristics of low temperature weather with heavy snow and freezing disasters, disaster-chain theory is recommended to be used in the study on hazard risk of the urban lifeline system. The related concepts of disasters of urban lifeline system are introduced. The causes and process of heavy snow and freezing disasters of urban lifeline system and main types of disaster chains are analyzed. Finally, the strategy for disaster prevention and mitigation is discussed.

关 键 词：冰雪灾害 生命线系统 灾害链 防灾减灾 城市 

分 类 号：X43[环境科学与工程—灾害防治]