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Aeolus Rayleigh‐channel winds in cloudy conditions by Gert‐Jan Marseille; Jos de Kloe; Alain Dabas; Thomas Flament; Michael Rennie is a Earth and Planetary Sciences article available to read on EtoBox.

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## Abstract __Aeolus__ carried the first Doppler wind lidar to measure wind profiles from space. __Aeolus__ was a European Space Agency explorer mission with the objective to retrieve winds data from the collected atmospheric return signal that is the result of Mie and Rayleigh scattering of laser emitted light by atmospheric molecules and particulates. During the course of the mission the quality of __Aeolus__ winds measured in clear‐air conditions from Rayleigh‐channel‐collected data, so called Rayleigh‐clear winds, improved substantially. The same is true for winds measured in cloudy and aerosol‐rich atmospheric conditions from Mie‐channel‐collected data, the so‐called Mie‐cloudy winds. For the latter conditions, good quality winds can in principle also be obtained from Rayleigh‐channel‐collected data, the so‐called Rayleigh‐cloudy winds, if contamination of the purely molecular signal by Mie scattering is well addressed. We assess a linear and nonlinear correction for Mie contamination, the latter with the aid of numerical weather prediction model data for determing the correction parameters. We show that the nonlinear correction is able to provide unbiased Rayleigh‐cloudy wind

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Author

Gert‐Jan Marseille; Jos de Kloe; Alain Dabas; Thomas Flament; Michael Rennie

Publisher

Wiley

Published

2023

Language

EN

Field

Earth and Planetary Sciences (Physical Sciences)