CONG Donglai,QIU Hui.Research on Spatiotemporal Development and Coupling of Intensive Urban Land Use and Urbanization Efficiency—Taking Mid-Southern Liaoning Urban Agglomerations as Example[J].Research of Soil and Water Conservation,2015,22(06):298-306,311.
城市土地集约利用与城市化效率的时空耦合关系——以辽中南城市群为例
- Title:
- Research on Spatiotemporal Development and Coupling of Intensive Urban Land Use and Urbanization Efficiency—Taking Mid-Southern Liaoning Urban Agglomerations as Example
- Keywords:
- land-use intensification; urbanization efficiency; coupling; mid-southern Liaoning urban agglomerations
- 分类号:
- K902
- 摘要:
- 基于耦合理论运用模糊层次分析法和DEA方法对辽中南城市群1987—2012年城市土地利用集约度和城市化效率进行测算，然后采用耦合度和耦合效应指数进行二者耦合阶段、耦合效应的时空分析。结果表明：（1）研究期内辽中南城市群城市土地利用处于基本集约阶段，城市化效率呈波动上升态势，城市土地集约利用和城市化效率的耦合度变化曲线为浅口“U”型。（2）辽中南城市群处于弱耦合到强耦合的转化阶段。西强东弱的耦合度分布正转化为以东西方向为轴，南北对称分布的格局。表现为以沈阳、大连为高值双核心，沈大联系带上辽阳、鞍山、营口、盘锦为次高值分布，东部为低值区域。（3）耦合效应的变化趋势为从负效应到正效应的过程，城市耦合效应长期存在东、西差异。2012年城市群耦合效应出现“质”的变化，全局协调性得到优化。（4）大连的耦合阶段与耦合效应协调同步，耦合作用促进城市发展；沈阳、鞍山、盘锦耦合效益超前于耦合阶段，应适当控制城市化步伐，缓解用地压力，提高社会效益；其余城市大体处在较低耦合阶段，耦合效应没有带来积极的发展红利。
- Abstract:
- Based on coupling theory, first using fuzzy AHP and DEA methods, we calculated the urban land use intensity and efficiency calculation of mid-southern Liaoning urban agglomerations form 1985 to 2010, then adopted the coupling and coupling effects index for temporal and spatial analysis. Results showed that: (1) from 1987 to 2012, urban land use of mid-southern Liaoning urban agglomerations was in the basic intensive phase, city efficiency fluctuated upward trend, and coupling of the two curves showed U shape; (2) mid-southern Liaoning urban agglomerations was at stage of the conversion of the weak coupling to strong coupling,coupled distribution in the west was weaker than in the east and coupling distribution pattern exhibited in east-west direction axis, north and south symmetrical distribution, Shenyang and Dalian have become a high value dual-core, and Liaoyang, Anshan, Yingkou, Panjin are the second highest value distribution, east keeps for low value areas; (3) the change of coupling effect is largely from negative to positive effects of process, differences in eastern and western area have existed for a long time; significant changes of coupling effect occurred in 2012, it had also helped optimize the entire coordination constantly. (4) with respect to Dalian, coupling phase synchronized with coupling effect, coupling effect had promoted urban development; with respect to Shenyang, Anshan and Panjin, coupling efficiency was ahead of the coupling phase; the rest cities are at the lower coupling stage, coupling does not bring positive development dividends.
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备注/Memo
收稿日期:2014-12-16;改回日期:2015-01-05。
基金项目:国家自然科学基金（41271555）；黑龙江省哲学社会科学基金（14C034）
作者简介:丛东来(1978-),男,黑龙江哈尔滨人,讲师,研究方向为城市土地利用与区域开发。E-mail:congdonglai@163.com