Assessment of road flood disasters risk based on analytic hierarchy process:taking the Wuyi Mountain region as an example

doi:10.13474/j.cnki.11-2246.2022.0098

Abstract

Abstract: In this study,the AHP evaluation method based on multi-criteria decision-making is used to build a flood disaster assessment model.Two categories of factors,hazard and vulnerability,are presented based on natural disaster risk theory.There are seven sub-factors including precipitation,accumulation,slope,altitude,land cover,road category and surface runoff capability.The AHP is used to determine reasonable weights for all factors.The flood risk assessment model was established and the risk maps were produced afterwards.Wuyi Mountain region of Fujian province is selected as the study area in this work.The assessment results indicated that the roads with medium and high risks of flooding are mainly in the eastern,western and central south regions.The research results can be used as a guidance for road maintenance,emergency rescue,and early warning of road floods.This paper evaluates the road flood disasters risk,which can be used for flood disaters risk warning and emergency rescue planning.

Key words: assessment of road flood disasters risk;AHP;multi-criteria decision-making;road;Wuyi Mountain

CLC Number:

P208

LI Yanping, WANG Tao, WANG Xiwei, LIU Dongge, JIN Zhao. Assessment of road flood disasters risk based on analytic hierarchy process:taking the Wuyi Mountain region as an example[J]. Bulletin of Surveying and Mapping, 2022, 0(3): 166-170.

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