Spatio-Temporal Case Study of Carbon Emissions and Balance in a County of Shaanxi Province

Yao Zhang; Mingjie Bai

doi:10.6919/ICJE.202602_12(2).0017

Authors

Yao Zhang
Mingjie Bai

DOI:

https://doi.org/10.6919/ICJE.202602_12(2).0017

Keywords:

County-level Carbon Emissions; Nighttime Light Data; Spatial Pattern;

Abstract

Global warming has heightened concerns about carbon emissions, prompting China to implement the “Dual Carbon” strategy. As pivotal connectors between urban and rural areas, counties’ carbon emissions research is essential for green, low-carbon development. this study investigates the spatiotemporal patterns of county-level carbon emissions from 2006 to 2021 using nighttime light data and carbon emission statistics. Standard deviation ellipse analysis reveals a steady southeastward shift of the emission center and a near doubling of emissions over the study period. Based on a “Production-Living-Ecological” spaces(PLES) land-use framework, the study evaluates 2021 emissions and applies the Ecological Support Coefficient (ESC) to analyze the spatial distribution of carbon balance. Results show that industry and tourism are the main emission sources, with major carbon sources in the east and sinks concentrated in the northeast. To meet “Dual Carbon” goals, counties should reduce emissions from key sectors and strengthen carbon sink protection to support low-carbon development.

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