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Spatio-temporal analysis of urbanization and land and water resources efficiency of oasis cities in Tarim River Basin

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Yang Yu   Liu Yi  
文摘 This paper examines the spatial pattern of land and water resources as well as urbanization and their interactions in the Tarim River Basin, Xinjiang, China. In order to do so, we extract the data associated with efficiency of land and water resources and urbanization for the years of 1995, 2000, 2005 and 2008. Specifically the paper investigates the extent to which agglomeration of population and economic activities varies geographically and interplays with spatial pattern of resources efficiency through computation of Global Moran's I index, Getis-Ord Gi* index and a coordinated development model. The method used provides clear evidence that urbanization, land and water resources efficiency have shown uneven spatial pattern due to oasis distribution, climate, and initial phase of urban development. Some conclusions can be drawn as follows. (1) Agglomeration and dispersion of urbanization are not consistent with those of land and water resources efficiency. (2) Evolution of the hot and cold spots of urbanization, and land and water resources efficiency, in different trajectories, indicate that there are no significant interactions between them. (3) The evidence that numbers of hot and cold spots of the three factors present varying structures reveals the dominance of unequal urban development in the study area. (4) Significant differences are also found between sub-river basins in terms of the three factors, which is a reflection of the complex physical geography of the area. (5) The degree of coordinated development of cities in the Tarim River Basin is generally low in part as a reflection of difference in spatial patterns of the three factors. It is also shown that the pattern of the degree of coordinated development is relatively stable compared with evolution of hot and cold spots of the three factors.
来源 Journal of Geographical Sciences ,2014,24(3):509-525 【核心库】
DOI 10.1007/s11442-014-1103-5
关键词 ESDA ; Tarim River Basin ; oasis cities ; land and water resources efficiency ; spatio-temporal variation
地址

Institute of Geographic Sciences and Nature Resources Research, CAS, Beijing, 100101

语种 英文
文献类型 研究性论文
ISSN 1009-637X
学科 社会科学总论;水利工程
基金 国家自然科学基金
文献收藏号 CSCD:5069328

参考文献 共 26 共2页

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引证文献 11 篇

1 Aishan Tayierjiang Stand structure and height-diameter relationship of a degraded Populus euphratica forest in the lower reaches of the Tarim River, Northwest China Journal of Arid Land,2015,7(4):544-554
CSCD被引 13 次

2 Zang Zheng Quantitative characterization and comprehensive evaluation of regional water resources using the Three Red Lines method Journal of Geographical Sciences,2016,26(4):397-414
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