A quantitative assessment of the distribution and extent of urban clusters in Ch

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A quantitative assessment of the distribution and extent of urban clusters in China水利论文ju.VI7Yf1l m7VY

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O$l@+Y.Yp&Q|0Urban clusters are the expected products of high levels of industry and urbanization in a country,as well as being the basic units of participation in global competition.With respect to China,urban clusters are regarded as the dominant formation for boosting the Chinese urbanization process.However,to date,there is no coincident,efficient,and credible methodological system and set of techniques to identify Chinese urban clusters.This research investigates the potential of a computerized identification method supported by geographic information techniques to provide a better understanding of the distribution of Chinese urban clusters.The identification method is executed based on a geographic information database,a digital elevation model,and socio-economic data with the aid of Arclnfo Macro Language programming.In the method,preliminary boundaries are identified according to transportation accessibility,and final identifications are achieved from limiting city numbers,population,and GDP in a region with the aid of the rasterized socio-economic dataset.The results show that the method identifies nine Chinese urban clusters,i.e.,Pearl River Delta,Lower Yangtze River Valley,Beijing-Tianjin-Hebei Region,Northeast China Plain,Middle Yangtze River Valley,Central China Plains,Western Taiwan Strait,Guanzhong and Chengdu-Chongqing urban clusters.This research represents the first study involving the computerized identification of Chinese urban clusters.Moreover,compared to other related studies,the study's approach,which combines transportation accessibility and socio-economic characteristics,is shown to be a distinct,effective and reliable way of identifying urban cIusters.

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作者:

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Author:

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4G l-W[t4o-n-Y0ZHANG Qian[1]

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Es*G`n[7_z0HU Yunfeng[2]

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t-AA1h|RtD0LIU Jiyuan[2]

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LIU Yue[3]水利论文B j7r:sY)_[ e K

P]-M,W G;_z0REN Wangbing[4]水利论文;?.C,ZY7a*Y e

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LI Jun[4]

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作者单位:水利论文i#_bK^1PW

"y[3F^%_4Z w0Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China;Graduate University of Chinese Academy of Sciences, Beijing 100049, China;Department of Urban Planning and Environment, Royal Institute of Technology-KTH, Stockholm 10044,Sweden

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Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China

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gQ:cm$B0Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China;Graduate University of Chinese Academy of Sciences, Beijing 100049, China水利论文S][+d hs:|(c

]!vB3niT0Academy of Macroeconomic Research, National Development and Reform Commission, Beijing 100038,China水利论文0{o I |l|

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期 刊:

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地理学报(英文版)水利论文2O^ O$Thm#M?+Y:n

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Journal:

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Journal of Geographical Sciences

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年,卷(期):

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+X9`qw`| o02012, 22(1)

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分类号:

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Keywords:水利论文XyfFLp6~ HJ

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urban clusters水利论文 x:s |K@ZI@v

}7Hu2IF{2o8S0g0Geographic Information System (GIS)

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computerized identification水利论文@4i8kh Y^

R+u4](Qsh0spatial distribution

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Z\[(~u1PQ0W4z*q0China水利论文8v#r\/FU

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机标分类号:

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TP3 O64

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在线出版日期:

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2012年3月20日

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基金项目:

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National Basic Research Program of China (973 Program),National Key Technology Research & Development Program:,Swedish Science Foundation

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A quantitative assessment of the distribution and extent of urban clusters in China水利论文:XGKcy5C,~

y5[8b0e-r0[期刊论文] 地理学报(英文版)

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--2012, 22(1)

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!k}tVO+o TE%@0Urban clusters are the expected products of high levels of industry and urbanization in a country,as well as being the basic units of participation in global competition.With respect to China,urban clu...

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