Study on the Sustainable Development Evaluation and Promotion Strategy of Jianghuai City Group

The concept of adhering to the sustainable development is an important policy to promote economic and social development, and the sustainable development of urban agglomeration is a hot topic in the existing literature research. Based on the 2007-2016 data of 10 cities in the Jianghuai urban agglomeration, this paper analyzes the sustainable development level and its temporal and spatial characteristics of the Jianghuai urban agglomeration by principal component analysis. The main conclusions are: firstly, the sustainable development level of Jianghuai urban agglomerations is generally high, and the sustainable development level of Hefei, Maanshan and Wuhu being in the first phalanx; secondly, the sustainable development level of the Jianghuai urban agglomeration cities shows a trend of increasing volatility in terms of time series changes; thirdly, the sustainable development level of the western and northern cities of the Jianghuai urban agglomeration is low in terms of spatial distribution, while the sustainable development level of the central and southeastern cities is relatively high. Finally, the article proposes a strategy to improve the sustainable development of the Jianghuai urban agglomeration from the perspectives of transforming economic development mode, improving resource utilization rate, adjusting energy consumption structure and accelerating ecological civilization construction.