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[1]LIU Lian-zhong,LIU Hong-jiang,ZHU Huai-fang.Dangerous Evaluation for the Secondary Mountain Hazard of Wenchuan Earthquake and Its Economic Mitigation Model[J].Research of Soil and Water Conservation,2010,17(01):210-213,217.

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Dangerous Evaluation for the Secondary Mountain Hazard of Wenchuan Earthquake and Its Economic Mitigation Model

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 17 Number of periods: 2010 01 Page number: 210-213,217 Column: Public date: 2010-02-20

Title:: Dangerous Evaluation for the Secondary Mountain Hazard of Wenchuan Earthquake and Its Economic Mitigation Model

Author(s):: LIU Lian-zhong¹, LIU Hong-jiang^2,3, ZHU Huai-fang²; 1. School of Primary Education, Chongqing Normal University, Beibei, Chongqing, 400700, China;
2. School of Urban Management and Resource & Environment, Yunnan University of Finance and Economics, Kunming, 650223, China;
3. State Key Lab. of Resource and Information, Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing, 100101, China

Keywords:: Wenchuan earthquake; secondary mountain hazard; debris flow; dangerous assessment; optimal cost model; economics

CLC:: P642.23

DOI:: -

Abstract:: From seven aspects:topography,geology,climate,hydrology,vegetation,disaster situation,and human activities,11 factors are selected to evaluate the Wenchuan Earthquake-induced disasters by using a combination of qualitative and quantitative methods,with the help of risk index.According to regional factors,and “the same or similar classification,the different classification” principle,together with the use of GIS technology,the study area is divided into 4 grades:high risk areas,medium-risk areas,low-risk areas and safety areas.By conducting secondary mountain hazard assessment and zoning as well as the use of optimal cost model of disaster risk reduction into the economic evaluation,reasonable disaster prevention and mitigation measures and suggestions are raised.

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