Articles | Volume 16, issue 18
https://doi.org/10.5194/amt-16-4195-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-16-4195-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
19 Sep 2023
Research article |
| 19 Sep 2023
| 19 Sep 2023
Methane retrievals from airborne HySpex observations in the shortwave infrared
Philipp Hochstaffl
CORRESPONDING AUTHOR
Deutsches Zentrum für Luft- und Raumfahrt, Institut für Methodik der Fernerkundung, 82234 Oberpfaffenhofen, Germany
Franz Schreier
Deutsches Zentrum für Luft- und Raumfahrt, Institut für Methodik der Fernerkundung, 82234 Oberpfaffenhofen, Germany
Claas Henning Köhler
Deutsches Zentrum für Luft- und Raumfahrt, Institut für Methodik der Fernerkundung, 82234 Oberpfaffenhofen, Germany
Andreas Baumgartner
Deutsches Zentrum für Luft- und Raumfahrt, Institut für Methodik der Fernerkundung, 82234 Oberpfaffenhofen, Germany
Daniele Cerra
Deutsches Zentrum für Luft- und Raumfahrt, Institut für Methodik der Fernerkundung, 82234 Oberpfaffenhofen, Germany
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Short summary
Short summary
In this work, we introduce the 2D RGB polarization-resolving cameras of the airborne hyperspectral and polarized imaging system specMACS. A full characterization and calibration of the cameras including a geometric calibration as well as a radiometric characterization is provided, allowing for the computation of absolute calibrated, georeferenced Stokes vectors rotated into the scattering plane. We validate the calibration by comparing sunglint measurements to radiative transfer simulations.
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Short summary
The study examines methane enhancements inferred from hyperspectral imaging observations using different retrieval schemes. One of the core challenges is the high spatial and moderate spectral resolution as it makes separation of spectral variations caused by molecular absorption and surface reflectivity challenging. It was found that localized methane enhancements can be detected and quantified from HySpex airborne observations using various retrieval schemes.
The study examines methane enhancements inferred from hyperspectral imaging observations using...
