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在“双碳”目标背景下,识别资源型地区碳排放空间关联结构及其分区格局是推进区域协同减排与精准治理的重要前提。本文基于2000—2020年5个时期的山西省土地利用与能源碳排放数据,核算117个县域的直接和间接碳排放量,通过引力模型构建县际碳排放加权空间关联网络,运用社会网络分析法揭示整体网络密度与个体特征,并结合Louvain算法与共识聚类识别网络社团结构,进而实现碳排放空间关联网络分区。结果表明:(1)研究期内山西省碳排放总量显著增长,呈现“快速扩张—平台整理—恢复增长”的阶段性特征。(2)碳排放空间关联网络密度从2000年的9.17%升至2020年的38.37%,关联数量增加3倍以上;核心节点度数中心度持续居前,但中介中心度下降,网络结构由单核心主导向多中心联动转变。(3)2000—2020年山西省碳排放网络社团结构保持稳定,社团数量保持7个不变,跨期分区一致性较高,迁移县域主要集中于板块边界地带。研究结果可为区域协同减排和差异化治理提供参考。
Abstract:In the context of the "dual carbon" goals,identifying the spatial correlation structure and zoning pattern of carbon emissions in resource-based regions is a crucial prerequisite for promoting collaborative emission reduction and targeted governance.Based on land-use and energy-related carbon emission data for five periods in Shanxi Province from 2000 to 2020,this study estimated direct and indirect carbon emissions at the county level,constructed a weighted inter-county spatial correlation network of carbon emissions using a gravity model,applied social network analysis to reveal overall network density and individual node characteristics,and further identifies network communities through the Louvain algorithm combined with consensus clustering,thereby achieving the zoning of the carbon-emission spatial correlation network.The findings are as follows.(1) During the study period,total carbon emissions in Shanxi Province increased significantly,displaying a phased pattern of " rapid expansion-plateau adjustment-renewed growth".(2)The density of the carbon-emission spatial correlation network increased from 9.17% in 2000 to 38.37% in 2020,and the number of links increased by more than threefold;the degree centrality of core nodes remained persistently high,whereas betweenness centrality declined,indicating that the network structure shifted from single-core dominance to multi-center linkage.(3) From 2000 to 2020, the community structure of the carbon-emission network in Shanxi Province remained stable,with the number of communities unchanged at seven;the consistency of zoning across periods was high,and the counties that shifted communities were mainly concentrated in the boundary areas between communities.From the perspective of spatial correlation networks,this study identifies the structural characteristics and zoning pattern of carbon emissions in resource-based regions,and provides a reference for regional collaborative emission reduction and differentiated governance.
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基本信息:
中图分类号:X321;F124.5
引用信息:
[1]李豪,张蕾,张鹏飞,等.资源型地区碳排放空间关联网络与社团分区研究——以山西省为例[J].地理与地理信息科学().
基金信息:
国家自然科学青年基金项目(42001257); 山西省留学回国人员科技活动择优项目(20250024); 山西省留学回国人员科研项目(2024096); 山西省社科联重点课题(SSKLZDKT2025179)
2026-09-23
2026-09-23
2026-09-23
