Spatial Correlation Characteristics and Heterogeneity of Carbon Emissions in the Yangtze River Delta region Based on the Multidimensional Factor Flows
Received date: 2024-05-07
Revised date: 2024-10-19
Online published: 2026-04-29
Clarifying the spatial correlations and heterogeneous impacts of multidimensional factor flows on carbon emissions within a flow-space framework is an effective approach to supporting pollution and carbon reduction efforts. This article takes the multidimensional factor flows of population,capital,technology,data and innovation as an entry point to measure the carbon emissions in the Yangtze River Delta region from 2008 to 2023,and analyzes its spatial correlation and heterogeneous impacts by using the gravity model,exploratory data analysis,geographically and temporally weighted regression model. The results show that: 1) Carbon emissions in the Yangtze River Delta region fluctuate and increase from 214.6 million tons in 2008 to 3.234 million tons in 2023,with an increase of 50.716%. There is a significant positive spatial correlation,it shows the overall spatial pattern of "high-value agglomeration in central cities spreading to neighboring cities. 2) Multidimensional factor flows are becoming increasingly active,exhibiting the uneven development characteristics of "dense in the middle of research area and sparse in the north and south of research area". It builds the chain network of "preferential linkage among Shanghai, Ningbo and Hangzhou with a polycentric flow pattern" and forms the development pattern of "strong cities connecting with weak cities". 3) Multidimensional factor flows have spatial and temporal differences in carbon emission reduction effects, and the emission reduction effect of data flow is the most significant. The research findings contribute to deepening the understanding of the intrinsic relationship between multidimensional factor flows and carbon emission reduction,providing a theoretical basis for facilitating factor mobility and advancing the low-carbon transformation of urban agglomerations.
LYU Tiangui , ZHAO Qiao , FU Shufei , QIU Rong , HU Han . Spatial Correlation Characteristics and Heterogeneity of Carbon Emissions in the Yangtze River Delta region Based on the Multidimensional Factor Flows[J]. Economic geography, 2026 , 46(3) : 46 -57 . DOI: 10.15957/j.cnki.jjdl.2026.03.005
表1 全局莫兰值结果Tab.1 Results of Global Moran index |
| 年份 | 莫兰值 | Z值 | P值 | 年份 | 莫值兰 | Z值 | P值 |
|---|---|---|---|---|---|---|---|
| 2008 | 0.146* | 1.734 | 0.051 | 2016 | 0.187** | 2.252 | 0.019 |
| 2009 | 0.131* | 1.710 | 0.052 | 2017 | 0.172** | 2.026 | 0.025 |
| 2010 | 0.148** | 1.809 | 0.044 | 2018 | 0.165** | 2.078 | 0.029 |
| 2011 | 0.123* | 1.629 | 0.059 | 2019 | 0.217** | 2.486 | 0.014 |
| 2012 | 0.137* | 1.715 | 0.056 | 2020 | 0.217** | 2.527 | 0.015 |
| 2013 | 0.127** | 1.674 | 0.048 | 2021 | 0.216** | 2.428 | 0.017 |
| 2014 | 0.151** | 1.876 | 0.037 | 2022 | 0.207** | 2.366 | 0.012 |
| 2015 | 0.084 | 1.202 | 0.109 | 2023 | 0.207** | 2.163 | 0.036 |
注:*、**分别表示在0.10、0.05水平上显著。 |
表2 评价模型对比分析Tab.2 Comparative analysis of evaluation models |
| 参数/模型 | GTWR | GOLS | GWR | TWR |
|---|---|---|---|---|
| AICc | 235.805 | 623.097 | 225.673 | 617.663 |
| R2 | 0.896 | 0.523 | 0.877 | 0.551 |
| 校正后R2 | 0.895 | - | 0.876 | 0.545 |
表3 各变量回归系数的描述性统计结果Tab.3 Descriptive statistical results of regression coefficients for each variable |
| 项目/变量 | 观测量 | 区间 | 上四分位数 | 平均值 | 中位数 | 下四分位数 | 标准偏差 | 方差 |
|---|---|---|---|---|---|---|---|---|
| 常数 | 432 | [-12.109,7.480] | -4.801 | -1.058 | 0.133 | 2.670 | 4.863 | 23.645 |
| 人口迁移 | 432 | [-1.262,0.756] | -0.040 | 0.013 | 0.000 | 0.056 | 0.185 | 0.034 |
| 资本转移 | 432 | [-0.914,1.937] | -0.022 | 0.270 | 0.228 | 0.449 | 0.495 | 0.245 |
| 技术扩散 | 432 | [-3.188,9.907] | -0.689 | 0.279 | 0.075 | 0.670 | 1.890 | 3.574 |
| 数据流通 | 432 | [-1.646,2.852] | 0.290 | 0.766 | 0.686 | 1.428 | 0.914 | 0.835 |
| 创新流动 | 432 | [-0.261,1.523] | -0.072 | 0.167 | 0.114 | 0.236 | 0.357 | 0.128 |
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