Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 18, issue 20
Articles | Volume 18, issue 20
https://doi.org/10.5194/amt-18-5687-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Collection:
https://doi.org/10.5194/amt-18-5687-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 20
Research article
 | 
22 Oct 2025
Research article |  | 22 Oct 2025

Evaluating the feasibility of using downwind methods to quantify point source oil and gas emissions using continuously monitoring fence-line sensors

Mercy Mbua, Stuart N. Riddick, Elijah Kiplimo, Kira B. Shonkwiler, Anna Hodshire, and Daniel Zimmerle

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Short summary
Accurate methane quantification from oil and gas sites is critical for reliable reporting and climate assessments. This study tested downwind models using point sensors. A non-standard eddy covariance (EC) failed due to instrumentation issues, while the Gaussian plume inverse model (GPIM) and backward Lagrangian stochastic (bLs) model gave more reliable results. The bLs was the most accurate for single sources, with the best performance at 15 min averaging and 5° wind sectors.
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Low-cost sensors for the measurement of atmospheric...