1. The ESA-EVE Polarization Lidar for Assessing the Aeolus Aerosol Product Perfomance.
- Author
-
Liu, D., Wang, Y., Wu, Y., Gross, B., Moshary, F., Paschou, Peristera, Proestakis, Emmanouil, Tsekeri, Alexandra, Siomos, Nikos, Gkikas, Antonis, Gialitaki, Anna, Marinou, Eleni, Binietoglou, Ioannis, Meleti, Charikleia, Freudenthaler, Volker, Georgoussis, George, Doxastakis, George, Louri-das, Alexandros, Von Bismarck, Jonas, and Amiridis, Vassilis
- Subjects
DOPPLER lidar ,AEROSOLS ,UNCERTAINTY ,BACKSCATTERING - Abstract
We present the EVE lidar concept, a combined linear/circular polarization system, tailored to evaluate the spaceborne ALADIN Doppler lidar system aerosol retrievals. EVE, currently under development, aims to provide the ESA-Aeolus mission with a flexible, mobile reference ground-based lidar system capable of providing well-characterized fiducial reference measurements of aerosol optical properties. Since ALADIN detects only the co-polar component of the backscattered circularly polarized radiation, a portion of the received radiation gets lost, leading to an un-derestimation of the backscatter coefficient and the circular depolarization ratio in strongly depolarizing scenes with non-spherical particles. The main focus of the new EVE lidar is to quantify these uncertainties and to evaluate aerosol backscatter/extinction retrievals for Aeolus, and later also for EarthCARE product validation, quality assessment and improvement. [ABSTRACT FROM AUTHOR]
- Published
- 2020
- Full Text
- View/download PDF