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Aeolus Level 1 data processing and instrument calibration

Reitebuch, Oliver and Dabas, Alain and Marksteiner, Uwe and Rompel, Marc and Meringer, Markus and Schmidt, Karsten and Huber, Dorit and Nikolaus, Ines and Marshall, Jonathan and de Bruin, Frank and Kanitz, Thomas and Straume-Lindner, Anne-Grete (2017) Aeolus Level 1 data processing and instrument calibration. In: ADM-Aeolus CAL/VAL Rehearsal Workshop - Book of Abstracts. ADM-Aeolus CAL/VAL Rehearsal Workshop, 28.-30. März 2017, Toulouse, Frankreich.

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Official URL: http://old.esaconferencebureau.com/docs/default-source/adm-presentations/day_1_12_20_reitebuch.pdf?sfvrsn=2


The first wind lidar in space ALADIN will be deployed on ESA´s Aeolus mission and will be operational in 2018. It is not only the first time that the space hardware of a high power UV laser and a Doppler wind lidar was developed, but also the on-ground processors for wind retrieval, calibration and bias correction schemes are novel, i.e. without heritage from earlier space missions. In order to assess the performance of ALADIN and to optimize the wind retrieval and calibration algorithms an end-to-end simulator was developed. This allows realistic simulations of data downlinked by Aeolus. Together with operational processors this setup is used to assess random and systematic error sources and perform sensitivity studies about the influence of atmospheric and instrument parameters. The wind retrieval algorithms up to Level 1 will be introduced as well as the related bias correction schemes for harmonic and range-dependent bias sources. Both Level 1 and 2 wind retrieval algorithms rely on the instrument calibration modes using internal and atmospheric signals in nadir-pointing mode of the satellite. These instrument calibration modes and the relevant correction schemes for atmospheric temperature and pressure influence on wind retrievals from the Rayleigh channel will be discussed.

Item URL in elib:https://elib.dlr.de/115046/
Document Type:Conference or Workshop Item (Speech)
Title:Aeolus Level 1 data processing and instrument calibration
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Dabas, AlainMétéo France, ToulouseUNSPECIFIED
Marksteiner, UweDLR, IPAhttps://orcid.org/0000-0002-4335-922X
Rompel, MarcTU DarmstadtUNSPECIFIED
Meringer, MarkusDLR, IMFhttps://orcid.org/0000-0001-8526-2429
Schmidt, KarstenDLR, IMFhttps://orcid.org/0000-0002-3335-6076
Huber, DoritDoRIT, AllingUNSPECIFIED
Nikolaus, InesHochschule für angewandte Wissenschaften MünchenUNSPECIFIED
Marshall, JonathanAirbus UKUNSPECIFIED
Straume-Lindner, Anne-GreteESA-ESTECUNSPECIFIED
Date:28 March 2017
Journal or Publication Title:ADM-Aeolus CAL/VAL Rehearsal Workshop - Book of Abstracts
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:ALADIN, Aeolus, lidar, wind Level 1B, algorithms, calibration, ESA, validation, laser, UV
Event Title:ADM-Aeolus CAL/VAL Rehearsal Workshop
Event Location:Toulouse, Frankreich
Event Type:Workshop
Event Dates:28.-30. März 2017
Organizer:ESA & Météo France
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Projekt ADM
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Lidar
Deposited By: Marksteiner, Dr. Uwe
Deposited On:13 Nov 2017 07:20
Last Modified:13 Nov 2017 07:20

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