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Article

Unbalanced Development Characteristics and Driving Mechanisms of Regional Urban Spatial Form: A Case Study of Jiangsu Province, China

1
Department of Urban Planning, School of Architecture, Southeast University, Nanjing 210096, China
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Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
3
Geospatial and Geohazards Research Group and School of Geographical Sciences, Faculty of Science and Engineering, University of Nottingham, Ningbo 315100, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Colin Michael Hall
Sustainability 2021, 13(6), 3121; https://doi.org/10.3390/su13063121
Received: 11 February 2021 / Revised: 26 February 2021 / Accepted: 5 March 2021 / Published: 12 March 2021
Unbalanced regional development is widespread, and the imbalance of regional development in developing countries with rapid urbanization is increasingly apparent. This threatens the sustainable development of the region. Promoting the coordinated development of the region has become a hot spot of scientific research and a major practical need. Taking 99 counties of Jiangsu Province China, a typical coastal plain region, as the basic research unit, this paper explores the unbalanced development characteristics of the regional urban spatial form using three indicators: urban spatial expansion size, development intensity, and distribution aggregation degree. Then, their driving mechanisms were evaluated using spatial autocorrelation analysis, Pearson correlation analysis, linear regression, and geographically weighted regression. Our results found that the areas with larger urban spatial expansion size and development intensity were mainly concentrated in southern Jiangsu, where there was a positive spatial correlation between them. We found no agglomeration phenomenon in urban spatial distribution aggregation degree. From the perspective of driving factors: economics was the main driving factor of urban spatial expansion size; urbanization level and urbanization quality were the main driving factors of urban spatial development intensity. Natural landform and urbanization level are the main driving factors of urban spatial distribution aggregation degree. Finally, we discussed the optimization strategy of regional coordinated development. The quality of urbanization development and regional integration should be promoted in Southern Jiangsu. The level of urbanization development should be improved relying on rapid transportation to develop along the axis in central Jiangsu. The economic size should be increased, focusing on the expansion of the urban agglomeration in northern Jiangsu. This study will enrich the perspective of research on the characteristics and mechanisms of regional urban spatial imbalance, and helps to optimize and regulate the imbalance of regional urban development from multiple perspectives. View Full-Text
Keywords: regional imbalance; regional urban spatial form; expansion size; development intensity; distribution aggregation regional imbalance; regional urban spatial form; expansion size; development intensity; distribution aggregation
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MDPI and ACS Style

Xiong, G.; Cao, X.; Hamm, N.A.S.; Lin, T.; Zhang, G.; Chen, B. Unbalanced Development Characteristics and Driving Mechanisms of Regional Urban Spatial Form: A Case Study of Jiangsu Province, China. Sustainability 2021, 13, 3121. https://doi.org/10.3390/su13063121

AMA Style

Xiong G, Cao X, Hamm NAS, Lin T, Zhang G, Chen B. Unbalanced Development Characteristics and Driving Mechanisms of Regional Urban Spatial Form: A Case Study of Jiangsu Province, China. Sustainability. 2021; 13(6):3121. https://doi.org/10.3390/su13063121

Chicago/Turabian Style

Xiong, Guoping, Xin Cao, Nicholas A.S. Hamm, Tao Lin, Guoqin Zhang, and Binghong Chen. 2021. "Unbalanced Development Characteristics and Driving Mechanisms of Regional Urban Spatial Form: A Case Study of Jiangsu Province, China" Sustainability 13, no. 6: 3121. https://doi.org/10.3390/su13063121

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