YAN Chengjie,ZHANG Yifei,FANG Xin,et al.Flood hazard analysis method based on complex network approach and its application[J].,2017,(03):048-55.[doi:10.13577/j.jnd.2017.0306]





Flood hazard analysis method based on complex network approach and its application
严成杰1 张亦飞12 方欣12 郝春玲12 马镛1 祁琪12
1. 国家海洋局第二海洋研究所工程海洋学实验室, 浙江 杭州 310012;
2. 杭州国海海洋工程勘测设计研究院, 浙江 杭州 310012
YAN Chengjie1 ZHANG Yifei12 FANG Xin12 HAO Chunling12 MA Yong1 QI Qi12
1. Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China;
2. Hangzhou Coastal and Offshore Survey, Design and Research Institute, Hangzhou 310012, China
floodhazard analysis2D-SPR conceptual modeltechnique for order preference by simitarity to ideal solution(TOPSIS)decision-making trial and evaluation laboratory(DEMATEL)
Flood hazard analysis is important content of flood risk research. Due to complicated interactions among flood source, propagation pathway and hazard-affected body, complex network approach could be an effective tool to analyze the problem. Based on the 2D-SPR conceptual model, a new flood hazard analysis method employing complex network theory was proposed. Firstly, the studied area was divided into analytical elements in accordance with their land use types and the influence way each other was identified by the adjacent relation of the elemens. Multi-attribute decision-making tool TOPSIS was adopted to calculate compehensive in dex, the index was based on flow quantily to express the influence intensity of elements each other. After that, combined with DEMATEL method, the influencing degree and influenced degree indices of the elements were calculated and analyzed, the flood intensity index was expressed by 3/2 power function of difference in water level. Risk index of each element was definited as the product of flood intensity and the influenced degree. The method enriches the content of flood hazard analysis, and presents a new sight angle for adoption of disaster prevention and reductior measurement. At last, a simplified case study shows the steps of using the proposed method.


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更新日期/Last Update: 1900-01-01