Pre-evaluation of the Role of Xiongan New District in the Low Carbon Synergy Development of Beijing-Tianjin-Hebei Urban Agglomeration
Received date: 2019-06-26
Revised date: 2020-01-21
Online published: 2025-04-11
Based on the development of Low Carbon economic connection intensity model and multi-source radiation effect superposition model,taking fractal dimension calculation and comparison and GIS spatial analysis as quantitative evaluation tools,the promotion effect of the establishment of Xiongan New District on the Low Carbon coordinated development of Beijing-Tianjin-Hebei urban agglomeration is evaluated by applying anti-reality research methods which suppose a scenario is that Xiongan New District has not been established. By comparing the Low Carbon economic radiation of Beijing-Tianjin-Hebei urban agglomeration under two different scenarios (with and without Xiongan New District) in 2018-2030,the following conclusions can be drawn: 1) If Xiongan New District is not established,the problem of gradient outage in Beijing-Tianjin-Hebei urban agglomeration will be aggravated; 2) The establishment of Xiongan New District can effectively promote the rapid growth of middle-level cities and solve the problem of gradient outage of urban agglomeration,which will improve the spatial distribution of Low Carbon economic linkages in the southwest and northeast of Beijing-Tianjin-Hebei urban agglomeration; 3) The establishment of Xiongan New District can effectively promote the fractal dimension of Low Carbon economic linkages in Beijing-Tianjin-Hebei urban agglomeration,and this promotion effect will become more and more significant after 2025,which is conducive to the overall Low Carbon coordinated development of urban agglomeration.
ZHANG Xuehua , XU Wenbo , ZHANG Baoan . Pre-evaluation of the Role of Xiongan New District in the Low Carbon Synergy Development of Beijing-Tianjin-Hebei Urban Agglomeration[J]. Economic geography, 2020 , 40(3) : 16 -23 . DOI: 10.15957/j.cnki.jjdl.2020.03.003
图5 2018、2025和2030年京津冀城市群低碳经济联系强度空间分布注:1.图中蓝色圈划定城市为辐射中心,其周边城市接受到的低碳经济联系强度(即辐射强度)被划分为四个等级,并以不同颜色描绘。其中0~50以黄色显示,为梯度最低的第4等级;50~450以橙色显示,为梯度较低的第3等级;450~1 450以橙红色显示,为梯度较高的第2等级;1 450以上红色显示,为梯度最高的第1等级。2.图中上排对应“京—津”双源辐射的情景1,下排对应“京—津—雄”三源辐射的情景2。 Fig.5 Spatial distribution of low carbon economy linkages strength in Beijing-Tianjin-Hebei urban agglomeration in 2018,2025 and 2030 |
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