Advantages and dynamics of urban agglomeration development on Yangtze River Delta

Wang, Jing; Fang, Chuanglin; Wang, Zhenbo

doi:10.1007/s11442-012-0944-z

Cited by 17 publications

(9 citation statements)

References 26 publications

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“…He defined urban agglomerations as the aggregation of multiple cities with different economic structures, different population sizes, and different characteristics. Many cities in the world have experienced rapid expansion, gradually developing into urban agglomerations, e.g., the Guwahati urban agglomeration [24], Ranchi urban agglomeration [25], the Kolkata agglomeration [26], the Yangtze River Delta urban agglomeration [27], the Pearl River Delta [28], and the Beijing-Tianjin-Hebei urban agglomeration [29], though of different sizes. As such, the studied spatial scales have gradually shifted from individual cities to urban agglomerations [30,31].…”

Section: Introductionmentioning

confidence: 99%

Spatiotemporal Characterization of the Urban Expansion Patterns in the Yangtze River Delta Region

Chen

et al. 2021

Remote Sensing

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Characterizing urban expansion patterns is of great significance to planning and decision-making for urban agglomeration development. This study examined the urban expansion in the entire Yangtze River Delta Region (YRDR) with its land-use data of six years (1995, 2000, 2005, 2010, 2015, and 2018). On the basis of traditional methods, we comprehensively considered the four aspects of urban agglomeration: expansion speed, expansion difference, expansion direction, and landscape pattern, as well as the interconnection of and difference in the expansion process between each city. The spatiotemporal heterogeneity of urban expansion development in this region was investigated by using the speed and differentiation indices of urban expansion, gravity center migration, landscape indices, and spatial autocorrelations. The results show that: (1) over the 23 years, the expansion of built-up land in the Yangtze River Delta Region was significant, (2) the rapidly expanding cities were mainly located along the Yangtze River and coastal areas, while the slowly expanding cities were mainly located in the inland areas, (3) the expansion direction of each city varied and the gravity center of the urban agglomeration moved toward the southwest, and (4) the spatial structure of the region became more clustered, the shape of built-up land turned simpler, and fragmentation decreased. This study unravels the spatiotemporal change of urban expansion patterns in this large urban agglomeration, and more importantly, can serve as a guide for formulating urban agglomeration development plans.

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Section: Introductionmentioning

confidence: 99%

Spatiotemporal Characterization of the Urban Expansion Patterns in the Yangtze River Delta Region

Chen

et al. 2021

Remote Sensing

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“…The developed regional commercial trade network and circulation system have also played an irreplaceable and important role in the improvement of regional innovation efficiency. Furthermore, developing the circulation industry can also effectively strengthen the region's independent innovation ability (25,26).…”

Section: Theory Developmentmentioning

confidence: 99%

Dual circulation strategy, regional healthcare development, and medical collaborative innovation efficiency: evidence from Chinese cities

Chen,

Huang,

2024

Front. Public Health

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This study analyzes panel data of Chinese cities from 2003 to 2018 as a sample in the context of the dual circulation strategy in China to ascertain the impact of urban healthcare development on medical collaborative innovation efficiency by using the GS2SLS method. Furthermore, it empirically examines the influence mechanism of regional healthcare development on medical collaborative innovation efficiency by using a threshold regression model. Additionally, we identified the heterogeneity of this impact in different cities. The results show the following: (1) There is a significant positive spatial correlation between regional healthcare development and medical collaborative innovation efficiency; (2) Under the dual circulation strategy, the regional investment level in international circulation has the most significant role in the overall strategy, and domestic circulation has been significantly improved after the launch of the innovation-driven strategy; (3) The results of the threshold test show that while domestic and international circulation promote the efficiency of collaborative innovation by 0.83, the promotion effect is more obvious under a higher regional healthcare development level. The research in this paper can provide specific guidance for the development of China’s healthcare industry under the background of dual-cycle strategy, and can also provide valuable reference for developing countries in the world.

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“…The current research mostly uses the classical gravity model to quantitatively measure the strength of regional innovation connection, but the classical gravity model also has some limitations. Influenced by modern information technology and transportation, simple direct geographical distance cannot accurately reflect the distance between regions in real space [30][31][32][33]. Research suggests that the flow of innovative elements today is not only influenced by geographical distance, but also by temporal and spatial factors [34,35].…”

Section: Modified Gravity Modelmentioning

confidence: 99%

Analysis of the China’s Interprovincial Innovation Connection Network Based on Modified Gravity Model

Zhu

2023

Land

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With the arrival of the era of innovative economy, innovation is of great significance for the development of China, and even the world. Based on statistical data and taking 2009, 2014, and 2019 as node years, this study uses the entropy weight method and a modified gravity model to study the pattern and evolution characteristics of China’s interprovincial innovation network. The results showed that: 1. The weights of innovation output, innovation input, and innovation environment were 0.253, 0.340, and 0.407, respectively. Currently, innovation output is the most representative of the interprovincial innovation connections, but the weight of innovation environment has been increasing year by year, and its importance is constantly highlighted. 2. The overall spatial structure of China’s interprovincial innovation network shows a “core periphery” feature, radiating from coastal provinces such as Jiangsu, Beijing, and Zhejiang to inland provinces, and exhibiting an overall pattern of “strong in the east and weak in the west”. 3. In terms of evolutionary characteristics, Guangdong and Jiangsu ranked in the top two in terms of outward innovation scale from 2009 to 2019. The combined total innovation connections of the top five provinces in 2009, 2014, and 2019 accounted for 70.79%, 64.29%, and 64.24%, respectively. Although the phenomenon of uneven innovation connections exists, it has slowed down. In addition, China’s interprovincial innovation network is gradually becoming enriched, with the most significant change being the number of innovation links, with a gravity level increasing from four in 2009 to twenty-six in 2019. The interprovincial innovation links continue to strengthen, but the focus has not changed significantly; it is still concentrated in the Bohai Rim region and the Yangtze River Delta region. 4. In terms of maximum gravitational lines, Guangdong Province had the highest number of maximum gravitational lines in 2009, 2014, and 2019, with a total of six. The maximum gravitational line change from 2009 to 2019 took place from 2014 to 2019, transitioning from “Jilin-Liaoning” to “Jilin-Heilongjiang”.

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Advantages and dynamics of urban agglomeration development on Yangtze River Delta

Cited by 17 publications

References 26 publications

Spatiotemporal Characterization of the Urban Expansion Patterns in the Yangtze River Delta Region

Spatiotemporal Characterization of the Urban Expansion Patterns in the Yangtze River Delta Region

Dual circulation strategy, regional healthcare development, and medical collaborative innovation efficiency: evidence from Chinese cities

Analysis of the China’s Interprovincial Innovation Connection Network Based on Modified Gravity Model

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