Guo Chenchen, Yu Jianhui
Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing, 100101, China.
College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China.
Sci Rep. 2024 Mar 11;14(1):5894. doi: 10.1038/s41598-024-56434-2.
Global climate change associated with increased carbon emissions has become a global concern. Resource-based cities, by estimations, have emerged as major contributors to carbon emissions, accounting for approximately one-third of the national total. This underscores their pivotal role in the pursuit of carbon neutrality goals. Despite this, resource-based cities have long been neglected in current climate change mitigation policy discussions. Accordingly, using exploratory spatial data analysis and Geographical Weighted Regression method, this study investigates the determinants of carbon emissions and their spatial pattern in 113 resource-based cities in China. It can be concluded that: (1) The proportion of carbon emissions from resource-based cities in the national total has shown a marginal increase between 2003 and 2017, and the emissions from these cities have not yet reached their peak. (2) A relatively stable spatial pattern of "northeast high, southwest low" characterizes carbon emissions in resource-based cities, displaying significant spatial autocorrelation. (3) Population size, economic development level, carbon abatement technology, and the proportion of resource-based industries all contribute to the increase in carbon emissions in these cities, with carbon abatement technology playing a predominant role. (4) There is a spatial variation in the strength of the effects of the various influences.
与碳排放增加相关的全球气候变化已成为全球关注的问题。据估计,资源型城市已成为碳排放的主要贡献者,约占全国总量的三分之一。这凸显了它们在实现碳中和目标中的关键作用。尽管如此,在当前关于缓解气候变化的政策讨论中,资源型城市长期以来一直被忽视。因此,本研究采用探索性空间数据分析和地理加权回归方法,调查了中国113个资源型城市碳排放的决定因素及其空间格局。研究得出以下结论:(1)2003年至2017年期间,资源型城市碳排放占全国总量的比例略有上升,且这些城市的排放量尚未达到峰值。(2)资源型城市碳排放呈现出相对稳定的“东北高、西南低”空间格局,具有显著的空间自相关性。(3)人口规模、经济发展水平、碳减排技术和资源型产业比重均导致这些城市碳排放增加,其中碳减排技术起主要作用。(4)各种影响因素的作用强度存在空间差异。