中国城市群多中心网络的拓扑结构

doi:10.18306/dlkxjz.2016.03.012

Abstract

Abstract:

This study puts forward a systematic analysis tool of urban agglomeration polycentric networks according to the space of flow theory, investigates the enterprise association networks of the twelve urban agglomerations in China empirically, and identifies the basic patterns of prefecture-level cities' spatial relationships through classification. The result indicates that the internal network topology of Chinese urban agglomerations, including the three most typical urban agglomerations (Yangtze River Delta-YRD, Pearl River Delta-PRD, and Beijing-Tianjin-Hebei region-BTH), is still far from reaching maturity. Specifically, the data of connection to some extent constitute a sparse matrix and the spatial association shows a tree structure. The hierarchy of headquarter locations (outflow) is more concentrated than that of branch locations (inflow), which shows asymmetry of the flows within the urban agglomerations. At the urban agglomeration level, two basic network connection patterns can be identified using cluster analysis of the twelve urban agglomerations internal network topology. The first type including the Yangtze River Delta, Pearl River Delta, Beijing-Tianjin-Hebei region, Shandong Peninsula, and the western side of the Taiwan Straits, is internally closely connected urban agglomeration networks and shows characteristics of integrated networks. The three most typical urban agglomerations (YRD, PRD, and BTH) are distinct headquarter hubs. The other type containing the rest of the urban agglomerations is internally loosely connected networks and the percentages of cross-city connections are lower than the first type. Most of them show a centripetal structure around the provincial capital or sub-provincial cities topologically.

Key words: urban agglomerations, polycentric network, topology, China

Miaoxi ZHAO, Zhifeng LI, Ye ZHONG, Ben DERUDDER. Polycentric network topology of urban agglomerations in China[J].PROGRESS IN GEOGRAPHY, 2016, 35(3): 376-388.

Figures/Tables 9

Fig.1

Fig.2

Tab.1

Fig.3

Tab.2

Original topology index of urban agglomeration network"

城市群	强度			对称性		层级性					自容性		密度		发育程度
城市群	AT		L		SL	SN		βⁱⁿ		β^out	βⁿ	β^L	Le	$Δ$	γ^c	γ^L	γⁿ
京津冀	10.69	962		0.38	0.50	0.47	0.16	0.34	0.46		0.72		0.16		1.27	5.60	1.17
辽中南	1.10	98		0.61	0.81	0.36	0.27	0.33	0.45		0.74		0.15		0.60	3.60	0.75
山东半岛	2.86	160		0.44	0.51	0.75	0.29	0.56	0.51		0.77		0.14		1.27	5.25	1.17
长三角	25.01	6002		0.42	0.53	0.51	0.22	0.38	0.51		0.66		0.20		2.82	11.38	2.17
海峡西岸	5.73	172		0.45	0.58	0.55	0.24	0.45	0.42		0.74		0.15		0.86	3.67	0.92
珠三角	35.57	2561		0.55	0.64	0.47	0.25	0.39	0.48		0.75		0.14		1.77	6.89	1.48
关中	1.57	47		0.38	0.49	0.69	0.25	0.51	0.41		0.79		0.12		0.43	2.67	0.67
中原	0.61	44		0.50	0.73	0.47	0.34	0.43	0.46		0.92		0.06		0.54	3.33	0.71
武汉	0.29	61		0.13	0.39	0.53	0.13	0.40	0.46		0.91		0.04		0.16	2.40	0.46
长株潭	1.50	30		0.47	0.60	0.65	0.33	0.53	0.42		0.92		0.04		0.40	2.40	0.67
北部湾	0.67	8		0.75	0.75	0.67	0.50	0.58	0.32		0.97		0.02		1.33	3.50	1.17
成渝	0.53	192		0.39	0.60	0.48	0.26	0.45	0.48		0.86		0.08		0.68	4.22	0.79
平均值	10.94	1700.84		0.14	0.12	0.11	0.09	0.08	0.05		0.09		0.06		0.71	2.43	0.45
变异系数	1.52	1.97		0.31	0.20	0.20	0.33	0.18	0.11		0.12		0.51		0.70	0.53	0.44

Tab.2

Fig.4

Tab.3

Fig.5

Fig.6

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类别	强度			对称性		层级性					自容性		密度		发育程度
类别	AT		L		SL	SN		βⁱⁿ		β^out	βⁿ	β^L	Le	?	γ^c	γ^L	γⁿ
Ⅰ类	1.58	1.99		-0.25	-0.55	-0.36	-0.55	-0.82	1.24		-1.61		1.65		2.55	2.80	2.60
Ⅱ类	1.42	1.26		0.06	-0.21	-0.72	-0.72	-1.01	0.44		-0.82		0.75		0.72	0.69	0.70
Ⅲ类	0.37	0.03		-0.08	-0.42	0.91	-0.06	0.74	0.34		-0.61		0.66		0.08	-0.05	0.08
Ⅳ类	-0.74	-0.65		0.04	0.26	0.00	0.30	0.20	-0.40		0.64		-0.64		-0.59	-0.58	-0.59

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Polycentric network topology of urban agglomerations in China

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城市群	包含城市
京津冀	北京、天津、石家庄、唐山、秦皇岛、保定、张家口、承德、沧州、廊坊
辽中南	沈阳、大连、鞍山、抚顺、本溪、丹东、辽阳、营口、盘锦、铁岭
山东半岛	济南、青岛、烟台、潍坊、淄博、东营、威海、日照
长三角	上海、南京、无锡、常州、苏州、南通、扬州、镇江、泰州、杭州、宁波、嘉兴、湖州、绍兴、舟山、台州
海峡西岸	福州、厦门、漳州、泉州、莆田、宁德
珠三角	广州、深圳、珠海、佛山、江门、肇庆、惠州、东莞、中山
关中	西安、咸阳、宝鸡、渭南、铜川、商州
中原	郑州、洛阳、开封、新乡、焦作、许昌、平顶山、漯河、济源
武汉	武汉、黄石、鄂州、黄冈、仙桃、潜江、孝感、咸宁、天门、随州、荆门、荆州
长株潭	长沙、株洲、湘潭、岳阳、常德、娄底
北部湾	南宁、防城港、钦州、北海
成渝	重庆、成都、自贡、泸州、德阳、绵阳、遂宁、内江、乐山、南充、眉山、宜宾、广安、雅安、资阳