Spatial pattern and influencing factors of urban vitality in the middle reaches of the Yangtze River

doi:10.3969/j.issn.1004-9479.2020.01.2018442

Abstract

Abstract:

The emergence of geographic “big data” provides a new opportunity to study urban issues. Based on the geographic “big data” of interest point (POI) and location service (LBS), spatial measurement model and mathematical statistics analysis are used to explore the urban vitality level and its influencing factors in the UAMRYR. The results show that: (1) the urban vitality of the urban agglomerations in the UAMRYR is at a low level, and the centers of Wuhan, Nanchang and Changsha are prominent, and the spatial pattern of flaky vitality is formed at the edge of the urban agglomeration. (2) There is a coupling relationship between urban vitality and economic development level in the UAMRYR, and there are few low-coupling cities. There are more cities with higher degrees of coupling and highly coupled cities.(3)The four factors of university resources, economic density, infrastructure level and informatization degree are the main factors affecting the urban vitality of the UAMRYR. The influence effect of each factor has spatial heterogeneity.

Key words: urban vitality, geographic “big data”, GWR model, UAMRYR

摘要：

地理“大数据”的出现为研究城市问题提供了新的契机。基于兴趣点（POI）和位置服务（LBS）的地理“大数据”，采用空间计量模型、数理统计分析等方法，尝试探讨了长江中游城市群城市活力水平及其影响因素。结果表明：①长江中游城市群城市活力整体处于较低水平，武汉、南昌和长沙中心地位突出，城市群边缘形成片状活力“洼地”的空间格局；②长江中游城市群城市活力与经济发展水平存在耦合关系，低度耦合城市少，较高度耦合和高度耦合城市较多；③高校资源、经济密度、基础设施水平和信息化程度4个因素是影响长江中游城市群城市活力的主要因素，各因素的影响效应具有空间异质性。

关键词: 城市活力, 地理“大数据”, GWR模型, 长江中游城市群

Weisheng MAO, Yexi ZHONG. Spatial pattern and influencing factors of urban vitality in the middle reaches of the Yangtze River[J]. World Regional Studies, 2020, 29(1): 86-95.

毛炜圣, 钟业喜. 长江中游城市群城市活力水平空间格局及影响因素[J]. 世界地理研究, 2020, 29(1): 86-95.

Figures/Tables 6

References 36

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区域	城市活力指数	排名	区域	城市活力指数	排名	区域	城市活力指数	排名
武汉	8.292	1	潜江	0.653	12	黄冈	0.354	23
南昌	3.917	2	株洲	0.612	13	咸宁	0.352	24
长沙	3.497	3	荆州	0.609	14	娄底	0.336	25
湘潭	1.291	4	孝感	0.602	15	岳阳	0.313	26
鄂州	1.012	5	鹰潭	0.532	16	常德	0.278	27
新余	0.958	6	九江	0.498	17	益阳	0.260	28
宜春	0.937	7	襄阳	0.457	18	上饶	0.255	29
黄石	0.913	8	天门	0.444	19	抚州	0.187	30
萍乡	0.759	9	衡阳	0.429	20	吉安	0.167	31
仙桃	0.669	10	宜昌	0.395	21
景德镇	0.653	11	荆门	0.368	22

区域	城市活力指数	排名	区域	城市活力指数	排名	区域	城市活力指数	排名
武汉	8.292	1	潜江	0.653	12	黄冈	0.354	23
南昌	3.917	2	株洲	0.612	13	咸宁	0.352	24
长沙	3.497	3	荆州	0.609	14	娄底	0.336	25
湘潭	1.291	4	孝感	0.602	15	岳阳	0.313	26
鄂州	1.012	5	鹰潭	0.532	16	常德	0.278	27
新余	0.958	6	九江	0.498	17	益阳	0.260	28
宜春	0.937	7	襄阳	0.457	18	上饶	0.255	29
黄石	0.913	8	天门	0.444	19	抚州	0.187	30
萍乡	0.759	9	衡阳	0.429	20	吉安	0.167	31
仙桃	0.669	10	宜昌	0.395	21
景德镇	0.653	11	荆门	0.368	22

等级	划分标准	城市个数	平均水平	所占比例（%）	累计占比（%）
高活力水平	1.292~8.292	3	5.236	9.68	9.68
中等活力水平	0.760~1.291	5	1.022	16.13	25.81
较低活力水平	0.458~0.759	9	0.621	29.03	54.84
低活力水平	0.167~0.457	14	0.328	45.16	100

等级	划分标准	城市个数	平均水平	所占比例（%）	累计占比（%）
高活力水平	1.292~8.292	3	5.236	9.68	9.68
中等活力水平	0.760~1.291	5	1.022	16.13	25.81
较低活力水平	0.458~0.759	9	0.621	29.03	54.84
低活力水平	0.167~0.457	14	0.328	45.16	100

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