Articles | Volume 17, issue 4
https://doi.org/10.5194/amt-17-1333-2024
https://doi.org/10.5194/amt-17-1333-2024
Research article
 | 
26 Feb 2024
Research article |  | 26 Feb 2024

Exploiting the entire near-infrared spectral range to improve the detection of methane plumes with high-resolution imaging spectrometers

Javier Roger, Luis Guanter, Javier Gorroño, and Itziar Irakulis-Loitxate

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Short summary
Methane emissions can be identified using remote sensing, but surface-related structures disturb detection. In this work, a variation of the matched filter method that exploits a large fraction of the near-infrared range (1000–2500 nm) is applied. In comparison to the raw matched filter, it reduces background noise and strongly attenuates the surface-related artifacts, which leads to a greater detection capability. We propose this variation as a standard methodology for methane detection.