基于加权Voronoi图的三明市绿地避难责任区划分
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摘要
通过运用ARCGIS9.3分析城市安全空间,筛选城市绿地避难场所,根据避难场所的规模确定其服务半径从而计算出加权半径和加权距离。通过运用OVD和WVD方法分别得出避难场所的责任区。结果表明,相比于传统的OVD方法确定的避难场所责任区间的空间关系,使用WVD方法划分的避难场所责任区的覆盖范围更直观,划分的结果也更为合理。
The urban security space was analyzed by using ARCGIS 9.3 to select urban green shelter.The service radius was determined according to shelter size,and the weighted radius and distance were further calculated.The responsible shelter areas were divided through the methods of OVD and WVD,respectively.Compared to the space relationship between the shelter areas determined by the traditional method of OVD,the coverage of responsible shelter area from WVD method was more intuitive and rational.
The urban security space was analyzed by using ARCGIS 9.3 to select urban green shelter.The service radius was determined according to shelter size,and the weighted radius and distance were further calculated.The responsible shelter areas were divided through the methods of OVD and WVD,respectively.Compared to the space relationship between the shelter areas determined by the traditional method of OVD,the coverage of responsible shelter area from WVD method was more intuitive and rational.
引文
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[3]袁媛,任晓崧.关于上海市防灾公园规划与建设的探讨[J].防灾减灾工程学报,2010,30(4):452-458.YUAN Y,REN X S.Discussion on planning and constructionof disaster prevention park in Shanghai City[J].Journal of Dis-aster Prevention and Mitigation Engineering,2010,30(4):452-458.(in Chinese)
[4]毛培,宋伟轩.建设本地特色的城市避风港—以南京地震应急避难场所规划为例[J].城市与减灾,2009(2):29-32.
[5]潘跃.构建防灾减灾长效机制—国家减灾委专家委员会福建专项调研侧记[J].中国减灾,2011(21):6-8.
[6]曲良艳,弓弼,金立强,等.我国城市主要自然灾害类型及其防灾绿地体系构建[J].西北林学院学报,2010,25(5):121-127.QU L Y,GONG B,JIN L Q,et al.Types of urban natural dis-asters in China and establishment of corresponding disaster-proof green lands system[J].Journal of Northwest ForestryUniversity,2010,25(5):121-127.(in Chinese)
[7]陈军.Voronoi动态空间数据模型[M].北京:测绘出版社,2002.
[8]OKABE A,BOOTS B,SUGIHARA K,et al.Spatial tessella-tions:concepts and applications of Voronoi diagrams[M].USA:John Wiley&Sons,Ltd,1992.
[9]AURENHAMMER F.Voronoi diagrams—a survey of a funda-mental data structure[J].ACM Computing Surveys,1991.23(3):345-405.
[10]李刚,马东辉,苏经宇.基于加权Voronoi图的城市地震应急避难场所责任区的划分[J].建筑科学,2006,22(3)55-59.
[11]洪婷婷.城市绿地防灾避难机能的研究[D].福州:福建农林大学园林学院,2009.
[12]高甲荣,肖斌.山地灾害危险区区划的原理与进展[J].西北林学院学报,2000,15(4):44-49.GAO J R,XIAO B.Principle and progress in the danger areaplanning of mountain disasters[J].Journal of Northwest For-estry University,2000,15(4):44-49.(in Chinese)
[13]许树柏.层次分析法原理[M].天津:天津大学出版社,1988.
[14]骆正清.层次分析法中判断矩阵构造的新方法[J].电子科技大学学报,1999,28(5):557-561.LUO Z Q.A new method for construction of judgement ma-trix in AHP[J].Journal of University of Electronic Scienceand Technology of China,1999,28(5):557-561.(in Chinese)
[15]伊晓燕,王策.乌鲁木齐市区城市防灾绿地体系布局研究[J].防护林科技,2008(4):49-51.
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