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本文利用铁路客运车次数据测度中原经济区内各城市的吸附能力与城市间的联系强度,识别城市吸附能力的空间分异特征,刻画中原经济区城市空间联系格局。结果表明,中原经济区内城市的吸附能力总体偏弱,吸附能力相对较强的城市沿京广线和陇海线成“十”字型集聚,城市间联系表现出以郑州为重心的“三角形”格局,但郑州在省际联系中的中心作用较小,中原经济区内省际联系总体不足。
In this paper, we use the passenger data of railways to measure the adsorption capacity of cities in the Central Plains Economic Area and the intensity of inter-city linkages to identify the spatial differentiation characteristics of urban adsorption capacity and characterize the urban spatial linkages in the Central Plains Economic Zone. The results show that cities in the Central Plains Economic Zone are weaker in overall adsorption capacity and cities with relatively strong adsorption capacity are clustered in the “Changzhou” along the Beijing-Guangzhou Line and the Longhai Line, and the city-to-city link shows Zhengzhou as the center of gravity “Triangle ” pattern, but Zhengzhou plays a less central role in inter-provincial ties and the overall provincial-central economic links are not enough.