Debris flow hazard assessment with numerical simulation

Ko-Fei Liu (), Hsin-Chi Li and Yu-Charn Hsu

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2009, vol. 49, issue 1, 137-161

Abstract: Debris flow disasters are usually accompanied by serious loss of lives and properties. However, debris flows are also part of earth’s natural phenomenon, and so what is the reasonable budget to be spent on mitigation measures becomes an important issue for the budget allocation processes. This article utilizes economic concepts to propose a reasonable estimation of the hazard damage and the cost of proposed mitigation measures. The proposed method is composed of four steps, namely, delineating the area of the disaster with different return periods, itemizing the land use within those areas, calculating the hazard loss using official values, and computing the expected probable maximum loss with a probability distribution. The comparison between the assessment of hazard and the economic gains of any proposed mitigation measures can be used as a reference for future decision-making process. Copyright Springer Science+Business Media B.V. 2009

Keywords: Debris flow; Hazard assessment; Risk analysis; Numerical simulation; GIS; Econometric model (search for similar items in EconPapers)
Date: 2009
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Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:spr:nathaz:v:49:y:2009:i:1:p:137-161

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DOI: 10.1007/s11069-008-9285-8

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