| Empirical assessment of debris flow risk on a regional scale in Yunnan province, southwestern China. | |
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MedLine Citation:
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PMID: 12105765 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Adopting the definition suggested by the United Nations, a risk model for regional debris flow assessment is presented. Risk is defined as the product of hazard and vulnerability, both of which are necessary for evaluation. A Multiple-Factor Composite Assessment Model is developed for quantifying regional debris flow hazard by taking into account eight variables that contribute to debris flow magnitude and its frequency of occurrence. Vulnerability is a measure of the potential total losses. On a regional scale, it can be measured by the fixed asset, gross domestic product, land resources, population density, as well as the age, education, and wealth of the inhabitants. A nonlinear power-function assessment model that accounts for these indexes is developed. As a case study, the model is applied to compute the hazard, vulnerability and risk for each prefecture of the Yunnan province in southwestern China. |
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Authors:
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Xilin Liu; Zhong Qi Yue; Lesliw George Tham; Chack Fan Lee |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Environmental management Volume: 30 ISSN: 0364-152X ISO Abbreviation: Environ Manage Publication Date: 2002 Aug |
Date Detail:
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Created Date: 2002-07-09 Completed Date: 2002-09-24 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 7703893 Medline TA: Environ Manage Country: United States |
Other Details:
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Languages: eng Pagination: 249-64 Citation Subset: IM |
Affiliation:
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Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, P.O. Box 417, Chengdu, Sichuan 610041, P.R. China. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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China Conservation of Natural Resources Disasters* Risk Assessment Water Movements* Water Supply* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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