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机构地区:[1]东北师范大学地理科学学院,中国吉林长春130024
出 处:《经济地理》2015年第11期94-100,116,共8页Economic Geography
基 金:国家自然科学基金项目(41471142;41201162)
摘 要:以城市流强度理论为基础,群域18个城市统计指标为依据,对东北地区哈长、辽中南城市群的城市流强度整体水平以及外向功能量、区位熵等表征值进行测算,并基于此进行延伸比较,进而论证两城市群的发展进程、特征、问题和发展方向。结果显示:1哈长城市群城市流强度各项表征值均小于辽中南城市群,处于城市群发展的初期阶段;2与成熟城市群相比,哈长城市群内部等级规模结构扁平化,核心城市带动能力不强;3辽中南城市群虽发育相对成熟,但其核心与外围关系尚不健全,城市流强度落差过大,未形成合理梯度;4哈长与辽中南城市群相同的问题是非核心城市的城市流强度普遍较小,城市间相互联系强度低。研究认为,哈长城市群应通过规划引领和调控打造,针对当前存在的问题,加大建设力度、强化"双核"、明确分工;辽中南城市群未来应在强化"双核"的同时培育增长极,增强区域内非核心城市的经济实力与对外联系强度;同时,两城市群还应针对城市流结构相似以及其他共性问题,建立两群域之间的有效协调机制,密切群域之间的交流与合作,促进产业结构调整优化,带动东北地区的整体发展。Based on the urban flow theory and statistical indicators of 18 cities, the overall level of urban flow, extrovert energy and territorial quotient of Ha-Chang and Mid-southern Liaoning urban agglomerations in the Northeast were calculated, and the development process, characteristics, problems and development direction were demonstrated, The results showed:(1)The representative values of urban flow in Ha-chang agglomeration are lower than in Mid-southern Liaoning urban agglomeration, now the Ha-chang agglomeration is in the primary stage of developing of urban agglomeration;(2)Compared with matured agglomerations, the rating scale structure of Ha-Chang agglomeration is flat, and the drive capacity of core cities is not strong enough;(3)The development of Mid-southern Liaoning urban agglomeration is relatively mature, but the relationship between the core and Periphery cities is unsound, and the gap is too large of urban flow, so it did not form a reasonable gradient;(4)That the intensity of urban flow of non-core cities is generally small and the contact strength between cities is low are the common problems of this two agglomerations. Research suggests that Ha-Chang agglomeration should be guided and controlled by plans, and should be strengthen the construction, consolidated the "dikaryon" and clear the division of labor; Mid-southern Liaoning urban agglomeration should consolidate the "dikaryon", meanwhile, it should cultivate new growth pole to enhance the economic strength and the strength of the external links; At the same time, this two agglomerations should establish effective coordination mechanism, close exchanges and cooperation between the group of the domain and promote the adjustment of industrial based on same and common problems of the structure of urban flow to drive the development of Northeast.
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