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Risk assessment of karst collapses in Liupanshui,Guizhou,China

Xiaozhen Jiang, Gao Jin-chuan

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Abstract

Karst collapse,usually called as sinkhole,is a major geohazard in karst area,and is one of six primary gohazard types in China.Since the Regulation of Geohazard Prevention and Control is being implemented,risk assessment has become a problem facing to most researchers in this field.In the paper,through a case study in Liupanshui,Guizhou,the authors gave a detail about risk assessment of karst collapses.It is considered the assessment should include hazard assessment of potential sinkhole and evaluation of social economic vulnerability.All the work are finished by use of the GMRS,a Geohazard Management and Risk Assessment System(GMRS)based on GIS technology.

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What this paper is about

Karst collapse,usually called as sinkhole,is a major geohazard in karst area,and is one of six primary gohazard types in China.Since the Regulation of Geohazard Prevention and Control is being implemented,risk assessment has become a problem facing to most researchers in this field.In the paper,through a case study in Liupanshui,Guizhou,the authors gave a detail about risk assessment of karst collapses.It is considered the assessment should include hazard assessment of potential sinkhole and evaluation of social economic vulnerability.All the work are finished by use of the GMRS,a Geohazard Management and Risk Assessment System(GMRS)based on GIS technology.

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Available abstract

Karst collapse,usually called as sinkhole,is a major geohazard in karst area,and is one of six primary gohazard types in China.Since the Regulation of Geohazard Prevention and Control is being implemented,risk assessment has become a problem facing to most researchers in this field.In the paper,through a case study in Liupanshui,Guizhou,the authors gave a detail about risk assessment of karst collapses.It is considered the assessment should include hazard assessment of potential sinkhole and evaluation of social economic vulnerability.All the work are finished by use of the GMRS,a Geohazard Management and Risk Assessment System(GMRS)based on GIS technology.

Key concepts: Geohazard, Sinkhole, Karst, China, Risk assessment, Hazard, Environmental planning, Vulnerability (computing)

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