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Volume 43 Issue 11
Nov.  2025
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Article Contents
ZHAN Hongjuan, CHEN Dechao, LANG Zheng, YANG Zihao, JIANG Ruqiao. Spatial effect analysis of decoupling between land use intensity and carbon emissions in Suzhou[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(11): 222-230. doi: 10.13205/j.hjgc.202511025
Citation: ZHAN Hongjuan, CHEN Dechao, LANG Zheng, YANG Zihao, JIANG Ruqiao. Spatial effect analysis of decoupling between land use intensity and carbon emissions in Suzhou[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(11): 222-230. doi: 10.13205/j.hjgc.202511025

Spatial effect analysis of decoupling between land use intensity and carbon emissions in Suzhou

doi: 10.13205/j.hjgc.202511025
  • Received Date: 2024-05-30
  • Accepted Date: 2024-07-28
  • Rev Recd Date: 2024-06-25
  • Available Online: 2026-01-09
  • Based on carbon emission accounting and land use intensity measurement, the temporal and spatial distribution characteristics of carbon emissions level and land use intensity in Suzhou from 2005 to 2020 were analyzed, and the decoupling relationship of land use carbon emission in Suzhou was deeply studied with the decoupling model. The results showed that: 1) The carbon emissions in Suzhou showed an overall upward trend from 2005 to 2020, and the net carbon emissions increased by 2.183×107 t in 15 years. Spatial heterogeneity was obvious. 2) From 2005 to 2020, the intensity of land use in Suzhou showed a trend of increasing first and then decreasing, forming a distribution pattern with Gusu District as the center and a higher degree of land use in the north than in the south. 3) The spatial clustering of carbon decoupling in Suzhou had been significantly enhanced, and it had undergone a transformation from negative correlation to positive correlation. The decoupling mode was mainly strong decoupling and expanding negative decoupling. The intensity of land use showed significant differences in carbon emissions at different stages. Therefore, the government can implement the differentiated carbon emissions control strategy according to local conditions, actively adjust the industrial structure and optimize the allocation of land resources in combination with the local development vision, improve land use efficiency, and promote the coordinated development of ecological environment and economy.
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