Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 19, issue 21
Articles | Volume 19, issue 21
https://doi.org/10.5194/amt-19-7217-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-19-7217-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 21
Research article
 | 
12 Nov 2026
Research article |  | 12 Nov 2026

Plume emission rate estimation using Gaussian plumes in remote imaging spectroscopy with SPIIRE

Jay E. Fahlen, Philip G. Brodrick, David R. Thompson, Andrew K. Thorpe, and Robert O. Green

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Short summary
This paper introduces a new method called SPIIRE (Statistical Plume Imaging Inversion for Rate Estimation) to more accurately measure gas emission rates, like methane, using satellite imaging. Past methods often relied on human operators and were therefore error prone. Instead, SPIIRE uses a statistical method that matches data to a flexible plume model, enabling rate estimates for complex plumes. SPIIRE shows good performance on real data including point sources, overlapping plumes, and wide area sources like landfills.
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