Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 18, issue 2
Articles | Volume 18, issue 2
https://doi.org/10.5194/amt-18-455-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-18-455-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 2
Research article
 | 
27 Jan 2025
Research article |  | 27 Jan 2025

Separating and quantifying facility-level methane emissions with overlapping plumes for spaceborne methane monitoring

Yiguo Pang, Longfei Tian, Denghui Hu, Shuang Gao, and Guohua Liu

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Short summary
The spatial adjacency of methane point sources can result in plume overlapping, presenting challenges for quantification from space. A separation and quantification method combining the Gaussian plume model and the integrated mass enhancement method is proposed. A modern parameter estimation technique is introduced to separate the overlapping plumes from satellite observations. The proposed method is evaluated with synthesized observations and real satellite observations.
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