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April 10, 2026ACS ES&T Air

Emerging Trends, Sectoral, and Regional Patterns in China’s Methane Emissions: A Satellite-Constrained Perspective

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Authors

DCDi ChenXHXiaoyi HuMJMingrui Ji

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Overview

Quantifies China's methane emissions from 2019 to 2023, emphasizing sectoral sources and implications for policy-making.

Key Points

  • The research aims to quantify and analyze methane emissions in China using satellite data from 2019 to 2023.
  • Developed a combined Lagrangian-Eulerian inversion framework
  • Integrated satellite data from TROPOMI and GOSAT
  • Estimated annual average methane emissions and sources
  • Compared findings with the Emissions Database for Global Atmospheric Research
  • Estimated total methane emissions of 55.4 ± 3.6 Tg yr–1 from 2019 to 2023
  • Anthropogenic sources accounted for 88% of total emissions
  • Oil and gas sector emissions were 4.3–6.1 times higher than EDGAR_2024 estimates
  • Significant underestimation of emissions from Southwest China compared to North China

Cite This Study

Chen et al. (2026) studied this question.

synapsesocial.com/papers/69d8946e6c1944d70ce055dahttps://doi.org/10.1021/acsestair.5c00405
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