Spatio-Temporal Patterns and Policy Implications of Urban Land Expansion in Metropolitan Areas: A Case Study of Wuhan Urban Agglomeration, Central China
Spatio-Temporal Patterns and Policy Implications of Urban Land Expansion in Metropolitan Areas: A Case Study of Wuhan Urban Agglomeration, Central China
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DOI：
10.3390/su6084723
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发表时间：
2014-08-01
期刊：
影响因子：
3.9
通讯作者：
Zhang, Jiali
中科院分区：
文献类型：
--
作者：
Lu, Shasha;Guan, Xingliang;Zhang, Jiali
中国对区域各级城市，特别是位于中西部地区的城市空间扩展特征的研究相对较少。利用1980、1990、2000、2010四年的陆地卫星影像，研究了中国中心的武汉城市群城市用地扩展的时空格局及其影响因素。研究发现，城市土地总面积从1980年的203.66公里(2)扩大到2010年的1370.07公里(2)，在1980年至1990年、1990年至2000年和2000年至2010年期间，城市土地面积分别增加了423.82、167.42和574.93公里(2)，在所研究的不同时期之间表现出显著的波动。在地理上，这种空间扩展模式的特征是整个研究期间明显的集中度和区域不平衡。尽管这些时空差异被发现与工业化、城市人口增长、土地使用政策、城市化指导方针(涉及城市化的政府计划和法规)以及国家发展战略密切相关，但推动这些差异的主要机制随着时间的推移而变化。对此，本文提出了一种城乡区域一体化战略，旨在避免城市群地区的经济差距和各种资源的低效利用。
Relatively little attention has been paid to examining the spatial expansion features of cities at various tiers at the regional level in China, especially those located in central and western regions of the country. Based on Landsat satellite imagery from four years-1980, 1990, 2000, and 2010, this paper investigates the spatio-temporal pattern of urban land expansion and its influencing factors in the Wuhan Urban Agglomeration (WUA) in central China. The research found that the total area of urban land expanded from 203.66 km(2) in 1980 to 1370.07 km(2) in 2010, and that urban land areas increased by 423.82, 167.42, and 574.93 km(2) in the periods 1980-1990, 1990-2000, and 2000-2010 respectively, exhibiting significant fluctuation between the different periods studied. Geographically, this spatial expansion pattern was characterised by conspicuous concentrations and regional imbalances across the overall study period. Whilst these spatio-temporal differences were found to be closely related to industrialisation, urban population growth, land-use policies, urbanisation guidelines (governmental plans and regulations addressing urbanisation), and national development strategy, the dominant mechanisms driving those differences varied over time. In response, the paper presents an urban-rural and regional integration strategy, with the aim of avoiding economic gaps and the inefficient utilisation of various resources in the urban agglomeration areas.