Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 25, issue 18
Articles | Volume 25, issue 18
https://doi.org/10.5194/acp-25-11407-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/acp-25-11407-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 18
Research article
 | 
26 Sep 2025
Research article |  | 26 Sep 2025

Isotopic signatures of methane emission from oil and natural gas plants in southwestern China

Dingxi Chen, Yi Liu, Zetong Niu, Ao Wang, Pius Otwil, Yuanyuan Huang, Zhongcong Sun, Xiaobing Pang, Liyang Zhan, and Longfei Yu

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Short summary
We carried out a field study across eleven industrial sites of oil and natural gas production/processing in Southwest China, investigating the methane leakage pattern based on ground and airborne monitoring/sampling techniques. Based on a novel isotope method to trace methane sources, we identified that the methane emission from the oil and gas sites makes the major contribution to changes in atmospheric methane isotope signals.
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