Articles | Volume 11, issue 10
https://doi.org/10.5194/amt-11-5865-2018
https://doi.org/10.5194/amt-11-5865-2018
Research article
 | 
24 Oct 2018
Research article |  | 24 Oct 2018

Averaging bias correction for the future space-borne methane IPDA lidar mission MERLIN

Yoann Tellier, Clémence Pierangelo, Martin Wirth, Fabien Gibert, and Fabien Marnas

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Latest update: 19 Jun 2024
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Short summary
The French and German space agencies (CNES, DLR) are currently developing MERLIN, a satellite that will measure atmospheric concentration of methane, a powerful greenhouse gas. To reach the desired precision, horizontally averaging the measurements along the satellite track is performed but leads to a processing bias due to non-linear equations. This article studies the processing biases for several averaging schemes and bias correction algorithms and recommends a best approach to limit biases.