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Spatial difference features and organization optimization of cities and towns in Tarim River Basin

查看全文 作  者:ChangLong [1,2]SUN;XiaoLei [1]ZHANG;Nuo [1]JIN;HongRu [1]DU;WenWen [3]MA 高影响力作者 机构地区:[1]Xinjiang Institute of Ecology and Geography,Chinese Academy of Sciences,Urumqi 830011,China;[2]Graduate University of Chinese Academy of Sciences,Beijing 100049,China;[3]Institute of Geography and Tourism,Xinjiang Normal University,Urumqi 830054,China高影响力机构 出  处:《Journal of Arid Land》索引2010年第2卷第1期,共10页高影响力期刊 基  金:supported by West Light Foundation of the Chinese Academy of Sciences (XBBS200812);the Chinese Academy of Sciences Action-plan for West Development (KZCX2-XB2-03) 摘  要:This paper analyzes the urban spatial structure of Tarim River Basin from the perspectives of urbanization, urban density, grading scales and spatial evolution patterns, using geographical theories and methods, such as fractal theory, principle component analysis, urbanization imbalance index, urban scale imbalance indicator, and urban spatial interaction. The results show that the urban spatial structure displays balanced distribution in the overall pattern, while an imbalanced distribution in each region. The development of town pattern tends to be gathering to the central towns in the oasis of Tarim River Basin and a development axis has begun to form along the southern Xinjiang railway. Based on the division of urban hinterland, and the development characteristics of oasis economy, this paper puts forward an urban spatial organization model. This model uses 'breakpoint model' and divides Tarim River Basin into five urban clusters: Korla urban cluster, Kuqa urban cluster, Aksu urban cluster, Kashgar urban cluster and Hotan urban cluster. As a conclusion, this article puts forward an overall framework of urban spatial organization in Tarim River Basin: 'one axis, double core, and five groups'. 关 键 词:TARIM RIVER BASIN URBAN system SPATIAL structure SPATIAL ORGANIZATION
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