文献类型: 外文期刊
作者: Zhao, Sijian
作者机构:
关键词: Natural disaster;Risk;Spatial-and-temporal variance;Scenario;Model
期刊名称: INNOVATIVE THEORIES AND METHODS FOR RISK ANALYSIS AND CRISIS RESPONSE
ISSN: 1951-6851
年卷期: 2012 年 21 卷
页码:
收录情况: SCI
摘要: Same to everything in nature, risk is obviously not static, and it would vary with time and space. As a type of natural and social phenomena, natural disaster's risk could present significant spatial-and-temporal variance. However, the current studies on natural disaster risk are all limited to the analysis of static risk, and they cannot longer meet the needs of the risk decision-making and emergency management work. Therefore, the spatial-and-temporal variance expression of natural disaster risk is proposed based on the scenario-driven analysis theory of risk. Furthermore, a technology framework is built to assess spatial-and-temporal risk of natural disaster, in which there exit four key models, i.e. spatial-and-temporal probability model of disaster induced factors, spatial-and-temporal development model of geographical factors, simulation model of hazard process and spatial-and-temporal development model of society and economy. The advances of these models are reviewed respectively. In summary, the general purpose of this paper is to provide a theory basis to study spatial-and-temporal risk of natural disaster.
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