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[1]HE Shifang,ZHANG Fanghao,DU Haoguo,et al.Application of the Weighted Voronoi Diagram in the Division of the Rescue Area Corresponding to Emergency Shelters in the Yangbi,Yunnan MS6.4 Earthquake[J].Journal of Seismological Research,2023,46(01):128-137.[doi:10.20015/j.cnki.ISSN1000-0666.2023.0014 ]

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Application of the Weighted Voronoi Diagram in the Division of the Rescue Area Corresponding to Emergency Shelters in the Yangbi,Yunnan M_S6.4 Earthquake

Journal of Seismological Research[ISSN 1000-0666/CN 53-1062/P] Volume: 46 Number of periods: 2023 01 Page number: 128-137 Column: 地震地下流体监测预报理论及技术应用专栏 Public date: 2023-01-01

Title:: Application of the Weighted Voronoi Diagram in the Division of the Rescue Area Corresponding to Emergency Shelters in the Yangbi,Yunnan M_S6.4 Earthquake

Author(s):: HE Shifang; ZHANG Fanghao; DU Haoguo; CAO Yanbo; (Yunnan Earthquake Agency,Kunming 650224,Yunnan,China)

Keywords:: emergency shelters; the responsibility area; the Weighted Voronoi diagram; the Yangbi M_S6.4 Earthquake *

CLC:: P315.95

DOI:: 10.20015/j.cnki.ISSN1000-0666.2023.0014

Abstract:: Considering the capacity of emergency shelters and the distribution of the residential settlements in Yangbi County,Yunnan Province and based on UVA images,we do the preprocessing of artificial vectorization,spatial interpolation,earthquake-damage evaluation,and buffer zoning,and get 4 refined factors influencing the division of rescue areas:the capacity of emergency shelters,damage to buildings,convenience of transportation and the population distribution in Yangbi County after the M_S6.4 Earthquake.Setting the 4 factors as the weight factor,and using the Weighted Voronoi Diagram method,we divide the rescue areas corresponding to the emergency shelters with ArcGIS.Results show that the number of the homeless people in the rescue areas do not exceed the capacity of the emergency shelters.The emergency shelters in the old district of the County bear higher pressure,and the emergency shelters in the new district bear lower pressure.

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Last Update: 2023-01-01