地球科学进展 ›› 2024, Vol. 39 ›› Issue (3): 317 -328. doi: 10.11867/j.issn.1001-8166.2024.022

研究简报 上一篇    

基于夜间灯光和土地利用的珠江流域城市碳排放估算及其时空动态特征研究
张斌 1 , 2 , 3( ), 卫丹琪 1 , 2, 丁乙 1 , 2, 姜洪涛 1 , 2, 尹剑 1 , 2( )   
  1. 1.贵州财经大学 西部现代化研究中心,贵州 贵阳 550025
    2.贵州财经大学 大数据应用与经济学院,贵州 贵阳 550025
    3.吉林大学 东北亚学院,吉林 长春 130012
  • 收稿日期:2023-10-04 修回日期:2024-02-02 出版日期:2024-03-10
  • 通讯作者: 尹剑 E-mail:jlcjzb@163.com;yinjianbnu@163.com
  • 基金资助:
    贵州省高校人文社会科学研究年度项目(2023GZGXRW164)

Research on Cities’ Carbon Emissions and Their Spatiotemporal Evolution Coupled with Nighttime Light Image and Land Use Data in the Pearl River Basin

Bin ZHANG 1 , 2 , 3( ), Danqi WEI 1 , 2, Yi DING 1 , 2, Hongtao JIANG 1 , 2, Jian YIN 1 , 2( )   

  1. 1.West China Modernization Research Center, Guizhou University of Finance and Economics, Guiyang 550025, China
    2.College of Big Data Application and Economics, Guizhou University of Finance and Economics, Guiyang 550025, China
    3.Northeast Asian Studies College, Jilin University, Changchun 130012, China
  • Received:2023-10-04 Revised:2024-02-02 Online:2024-03-10 Published:2024-04-01
  • Contact: Jian YIN E-mail:jlcjzb@163.com;yinjianbnu@163.com
  • About author:ZHANG Bin, Ph. D student, research areas include regional resources and environment. E-mail: jlcjzb@163.com
  • Supported by:
    the Humanities and Social Science Research of Universities in Guizhou Province(2023GZGXRW164)

揭示珠江流域碳排放时空演化和空间集聚特征,对推进流域地区低碳可持续发展具有重要意义。耦合夜间灯光数据、土地利用数据和能源消费数据构建碳排放估算模型,从流域、城市和网格尺度分析了珠江流域碳排放空间变化趋势,使用探索性时空数据分析和修正引力模型探讨了城市碳排放时空动态变化和空间关联特征。结果表明:珠江流域碳排放总量从2005年的29 497万t增长至2019年的31 877万t,东莞、深圳和广州始终是高碳排放城市。网格尺度上高碳排放集聚区以珠江三角洲地区为核心向周边扩张,中上游高碳排放区呈点状分布。珠江流域碳排放存在正向空间相关性,空间交互效应呈下降趋势。时空动态分析显示相邻城市碳排放存在正向协同发展趋势。城市碳排放关联强度均值由5.93增长至18.97,核心节点城市对外辐射能力得到提升,碳排放关联网络结构呈集中化趋势。该方法耦合多源数据开展碳排放估算研究,具有潜在的实用价值,可为碳排放时空动态分析和低碳减排策略制定提供参考。

To investigate the spatiotemporal patterns and agglomeration characteristics of carbon emissions in the Pearl River Basin, we constructed a carbon emission estimation model by coupling multi-source data. The spatiotemporal dynamics and spatial correlation characteristics of urban carbon emissions were explored using exploratory spatiotemporal data analysis and modified gravity modeling. The findings indicate that the total carbon emissions in the Pearl River Basin increased from 312.67 million tons to 336.54 million tons. Dongguan, Shenzhen, and Guangzhou consistently stood out as cities with the highest carbon emissions. On the grid scale, the high-value carbon emission agglomeration expands towards the periphery, with the Pearl River Delta region serving as the core, whereas the high-value carbon emission area in the middle and upper reaches is characterized by a point-like distribution. Carbon emissions in the Pearl River Basin show a positive spatial correlation, although there is a decreasing trend in the spatial interaction effect. Furthermore, there is a positive synergistic trend among neighboring cities in terms of carbon emissions. The average linkage intensity of urban carbon emissions increases from 5.93 to 18.97, indicating strengthened connectivity among cities. The carbon emissions network structure shows a trend towards centralization. This method incorporates carbon sources and sinks into the calculation process, has potential practical value, and can support the development of a carbon reduction strategy.

中图分类号: 

图1 研究区域(珠江流域及贵州省遵义和铜仁)位置图
Fig. 1 Map of the research areaThe Pearl River Basin and Zunyi City and Tongren City in Guizhou Province
表1 土地利用碳排放系数
Table 1 Land use carbon emissions coefficient
表2 能源折算标准煤系数和碳排放系数
Table 2 Energy conversion standard coal coefficient and carbon emissions coefficient
表3 单位根检验结果
Table 3 Unit root test results
表4 面板协整检验结果
Table 4 Cointegration test results
表5 面板数据回归结果
Table 5 Panel data regression results
图2 2005年、2010年、2015年和2019年珠江流域碳排放变化
Fig. 2 Carbon emissions in the Pearl River Basin in 200520102015 and 2019
图3 2005年、2010年、2015年和2019年珠江流域城市碳排放演变特征
Fig. 3 Temporal and spatial distribution of urban carbon emissions in the Pearl River Basin in 200520102015 and 2019
图4 2005年、2010年、2015年和2019年珠江流域网格尺度(1 km)碳排放演变特征
Fig. 4 The spatiotemporal evolution of carbon emissions with 1 km resolution in the Pearl River Basin in 200520102015 and 2019
图5 2005年、2010年、2015年和2019年珠江流域碳排放全局空间自相关结果
Fig. 5 Global spatial autocorrelation results of carbon emissions in the Pearl River Basin in 200520102015 and 2019
图6 2005年、2010年、2015年和2019年珠江流域城市碳排放冷热点分布
Fig. 6 Cold and hot spots of urban carbon emissions in the Pearl River Basin fin 200520102015 and 2019
图7 2005年、2010年、2015年和2019年珠江流域网格尺度(1 km)碳排放冷热点分布
Fig. 7 Cold and hot spots of carbon emissions with 1 km resolution in the Pearl River Basin in 200520102015 and 2019
图8 2005年、2010年、2015年和2019年珠江流域碳排放LISA时间路径和时空交互网络
Fig. 8 Spatial distribution of LISA time path and spatio-temporal interaction network of carbon emissions in the Pearl River Basin in 200520102015 and 2019
图9 2005年、2010年、2015年和2019年珠江流域城市碳排放核心网络空间模式
Fig. 9 Core network of urban carbon emissions in the Pearl River Basin in 200520102015 and 2019
图10 碳排放核心网络入度(a)和出度(b)“规模—位序”拟合曲线
Fig. 10 The scale-rank fitting curve for in-degreeaand out-degreebof the core network of carbon emissions
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