Risk evaluation of China's natural disaster systems: an approach based on triangular fuzzy numbers and stochastic simulation
Jin, JL; Wei, YM; Zou, LL; Liu, L; Fu, J
发表期刊NATURAL HAZARDS
关键词Connection Number Natural Disaster Risk Evaluation Risk Management Set Pair Analysis Stochastic Simulation Triangular Fuzzy Numbers
摘要To deal effectively with the evaluation problem of natural disaster risk system affected by many uncertain factors, a multivariate connection number expression is presented. This expression is based on the index samples and evaluation grade criterions of natural disaster risk system and is capable of describing the hierarchy property and fuzziness of membership relationship between index samples and evaluation grade criterions. In this proposed method, the fuzzy evaluation grade criterion problem is resolved by combining triangular fuzzy numbers with multivariate connection number theory, and triangular fuzzy numbers are used to express the discrepancy degree coefficients of connection number and evaluation index weights. Accordingly, a connection number-based evaluation method for the natural disaster system of China (named CN-TFN for short) is established using triangular fuzzy numbers and stochastic simulation. The application results show that the spatial distribution of natural disaster risk grades of China has the trend of aggrandizement from west to east of China. The economically developed and densely populated coastal areas are very likely to have a high level of natural disaster risk grade or above; thus, these areas are the key regions of the natural disaster risk management of China. The results also show that the CN-TFN is able to reflect practical conditions of the evaluation problem of natural disaster system and to provide more reliability information as compared to the existing evaluation methods. This is as a result of its comprehensive usage of various information of subjective and objective uncertainties in the evaluation process of natural disaster risk system and its expression by confidence intervals. Due to the simplicity and generalization, the CN-TFM is applicable to comprehensive risk grade evaluation of various natural disaster systems.
2012
卷号62期号:1页码:11,129-139
ISSN0921-030X
学科领域Geosciences ; Multidisciplinary ; Meteorology & Atmospheric Sciences ; Water Resources
收录类别SCI
语种英语
WOS记录号WOS:000302408500012
引用统计
被引频次:26[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.casisd.cn/handle/190111/4237
专题中国科学院科技政策与管理科学研究所(1985年6月-2015年12月)
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Jin, JL,Wei, YM,Zou, LL,et al. Risk evaluation of China's natural disaster systems: an approach based on triangular fuzzy numbers and stochastic simulation[J]. NATURAL HAZARDS,2012,62(1):11,129-139.
APA Jin, JL,Wei, YM,Zou, LL,Liu, L,&Fu, J.(2012).Risk evaluation of China's natural disaster systems: an approach based on triangular fuzzy numbers and stochastic simulation.NATURAL HAZARDS,62(1),11,129-139.
MLA Jin, JL,et al."Risk evaluation of China's natural disaster systems: an approach based on triangular fuzzy numbers and stochastic simulation".NATURAL HAZARDS 62.1(2012):11,129-139.
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