Articles | Volume 13, issue 8
https://doi.org/10.5194/amt-13-4277-2020
https://doi.org/10.5194/amt-13-4277-2020
Research article
 | 
14 Aug 2020
Research article |  | 14 Aug 2020

Three-dimensional radiative transfer effects on airborne and ground-based trace gas remote sensing

Marc Schwaerzel, Claudia Emde, Dominik Brunner, Randulph Morales, Thomas Wagner, Alexis Berne, Brigitte Buchmann, and Gerrit Kuhlmann

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Latest update: 23 Jun 2024
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Short summary
Horizontal homogeneity is often assumed for trace gases remote sensing, although it is not valid where trace gas concentrations have high spatial variability, e.g., in cities. We show the importance of 3D effects for MAX-DOAS and airborne imaging spectrometers using 3D-box air mass factors implemented in the MYSTIC radiative transfer solver. In both cases, 3D information is invaluable for interpreting the measurements, as not considering 3D effects can lead to misinterpretation of measurements.