Articles | Volume 11, issue 10
Atmos. Meas. Tech., 11, 5865–5884, 2018
Atmos. Meas. Tech., 11, 5865–5884, 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 et al.

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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.