Measurement of coordinated development level of Yangtze River Delta urban agglomeration under background of new urbanization based on SNA

HUANG Yanqiu; ZHENG Zhongtuan

doi:10.12299/jsues.22-0026

Volume 36 Issue 3

Jun. 2022

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Article Navigation > Journal of Shanghai University of Engineering Science > 2022 > 36(3): 332-340

HUANG Yanqiu, ZHENG Zhongtuan. Measurement of coordinated development level of Yangtze River Delta urban agglomeration under background of new urbanization based on SNA[J]. Journal of Shanghai University of Engineering Science, 2022, 36(3): 332-340. doi: 10.12299/jsues.22-0026

Citation:

HUANG Yanqiu, ZHENG Zhongtuan. Measurement of coordinated development level of Yangtze River Delta urban agglomeration under background of new urbanization based on SNA[J]. Journal of Shanghai University of Engineering Science, 2022, 36(3): 332-340. doi: 10.12299/jsues.22-0026

Citation:

HUANG Yanqiu, ZHENG Zhongtuan. Measurement of coordinated development level of Yangtze River Delta urban agglomeration under background of new urbanization based on SNA[J]. Journal of Shanghai University of Engineering Science, 2022, 36(3): 332-340. doi: 10.12299/jsues.22-0026

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Measurement of coordinated development level of Yangtze River Delta urban agglomeration under background of new urbanization based on SNA

doi: 10.12299/jsues.22-0026

HUANG Yanqiu,
ZHENG Zhongtuan^,

School of Mathematics, Physics and Statistics, Shanghai University of Engineering Science, Shanghai 201620, China

Received Date: 2022-02-15
Publish Date: 2022-06-30

Abstract

Abstract

New urbanization is an important part of the integrated and high-quality development of the Yangtze River Delta. Considering the factors affecting the level of new urbanization, an improved gravity model of population-economy-ecology-geography and social network analysis (SNA) method was used to explore the spatial coordinated development level of the Yangtze River Delta urban agglomeration from aspects of network density, centrality, core and periphery, cohesive subgroups and factors of high-speed rail. The results show that: 1) The spatial correlation network of new urbanization in the Yangtze River Delta urban agglomeration is relatively low, and Shanghai and Suzhou have the highest degree of nodal centrality. The difference of the ingress and egress of 8 cities including Shanghai and Hangzhou is positive, andits urbanization development has obvious spatial spillover effects on other cities in the Yangtze River Delta. 2) With Shanghai as the core city, Nanjing and Suzhou as important intermediary cities, the overall structure is from the inside to the outside and the degree of development connection decreases from the core to the peripheral city circle. 8 cities including Shanghai, Suzhou, Hangzhou as the core subgroup, it forms a city combination of "National Economic Center + Important Node Cities + Strongly Associated Provincial Capitals". 3) The high-speed rail factor has a significant impact on the spatial relevance of the new urbanization in the Yangtze River Delta urban agglomeration and the accessibility of the high-speed rail can promote the coordinated development of urbanization regions. Based on the analysis, it is proposed that core cities should play a radiating driving role to promote the development of peripheral cities, break through regional administrative divisions, improve the layout of the metropolitan area, coordinate and improve the level of new urbanization from the aspects of population, economy, ecology and other aspects. To optimize and increase the density of the high-speed rail network in the Yangtze River Delta and promote the integrated development of new urbanization in the Yangtze River Delta through resource circulation.
- new urbanization,
- Yangtze River Delta urban agglomeration,
- regional coordinated development,
- gravity model,
- social network analysis (SNA)

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References(21)

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