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ESA´s Wind Lidar Mission ADM-Aeolus: On-Going Scientific Activities Related to Calibration, Retrieval and Instrument Operation

Le Rille, O. and Straume, A.-G. and Vieitez, M. O. and Ubachs, W. and van de Water, W. and Witschas, B. and Reitebuch, O. and Marseille , G. J. and de Kloe, J. and Stoffelen, A. and Houchi, K. and Körnich, H. and Schyberg, H. (2010) ESA´s Wind Lidar Mission ADM-Aeolus: On-Going Scientific Activities Related to Calibration, Retrieval and Instrument Operation. In: Proc. 25th ILRC. 25 Int. Laser Radar Conference ILRC, 6-9. Juli 2010, St. Petersburg, Russia.

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Abstract

The Earth Explorer Atmospheric Dynamics Mission (ADM-Aeolus) of ESA will be the first-ever satellite to provide global observations of wind profiles from space. Its single payload, namely the Atmospheric Laser Doppler Instrument (ALADIN) is a directdetection high spectral resolution Doppler Wind Lidar (DWL), operating at 355 nm, with a fringe-imaging receiver (analysing aerosol and cloud backscatter) and a double-edge receiver (analysing molecular backscatter). In order to meet the stringent mission requirements on wind retrieval, ESA is conducting various science support activities for the consolidation of the on-ground data processing, calibration and sampling strategies. Results from a recent laboratory experiment to study Rayleigh-Brillouin scattering and improve the characterisation of the molecular lidar backscatter signal detected by the ALADIN double-edge Fabry- Perot receiver will be presented in this paper. The experiment produced the most accurate ever-measured Rayleigh-Brillouin scattering profiles for a range of temperature, pressure and gases, representative of Earth’s atmosphere. The measurements were used to validate the Tenti S6 model, which is implemented in the ADM-Aeolus ground processor. First results from the on-going Vertical Aeolus Measurement Positioning (VAMP) study will be also reported. This second study aims at the optimisation of the ADM-Aeolus vertical sampling in order to maximise the information content of the retrieved winds, taking into account the atmospheric dynamical and optical heterogeneity. The impact of the Aeolus wind profiles on Numerical Weather Prediction (NWP) and stratospheric circulation modelling for the different vertical sampling strategies is also being estimated.

Document Type:Conference or Workshop Item (Paper)
Title:ESA´s Wind Lidar Mission ADM-Aeolus: On-Going Scientific Activities Related to Calibration, Retrieval and Instrument Operation
Authors:
AuthorsInstitution or Email of Authors
Le Rille, O.ESA
Straume, A.-G.ESA
Vieitez, M. O.VU Amsterdam
Ubachs, W.VU Amsterdam
van de Water, W.Eindhoven
Witschas, B.DLR
Reitebuch, O.DLR
Marseille , G. J.KNMI
de Kloe, J.KNMI
Stoffelen, A.KNMI
Houchi, K.KNMI
Körnich, H.MISU
Schyberg, H.Met.no
Date:July 2010
Journal or Publication Title:Proc. 25th ILRC
Refereed publication:Yes
In ISI Web of Science:No
Status:Published
Keywords:ADM-Aeolus Lidar
Event Title:25 Int. Laser Radar Conference ILRC
Event Location:St. Petersburg, Russia
Event Type:international Conference
Event Dates:6-9. Juli 2010
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Projekt ADM II (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Lidar
Deposited By: Oliver Reitebuch
Deposited On:08 Nov 2010 09:58
Last Modified:13 Feb 2012 15:45

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