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The study aims to enhance carbon emission monitoring in data-scarce regions, focusing on the Yangtze River Delta.

March 8, 2026Open Access

Refined Carbon Emission Monitoring in Data-Scarce Regions: Insights from Nighttime Light Remote Sensing in the Yangtze River Delta

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Research demonstrates improved carbon emission mapping in data-scarce areas, indicating significant regional disparities.

The study aims to enhance carbon emission monitoring in data-scarce regions, focusing on the Yangtze River Delta.
Developed a CE spatial downscaling method using nighttime light data.
Integrated remote sensing data with the IPCC emission inventory model.
Quantified energy consumption-related carbon emissions from 2000 to 2020.
Conducted global spatial autocorrelation and standard deviation ellipse analysis.
Total carbon emissions increased significantly from 2000 to 2020.
Hotspots of carbon emissions were found in the Hangzhou Bay area and Shanghai-Nanjing corridor.
Coldspots were identified in southwestern Anhui and Zhejiang.
The CE centroid shifted toward the southwest or northwest from 2010 onwards.
Regional CE distribution evolved from a point pattern to a band-shaped pattern.

Ye et al. (2026) studied this question.

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