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The SCIAMACHY Extended Mission

Gottwald, Manfred and Krieg, Eckhart and Noel, Stefan and Bovensmann, Heinrich and Bramstedt, Klaus and Snel, Ralph (2008) The SCIAMACHY Extended Mission. 37th COSPAR Scientific Assembly, 2008-07-13 - 2008-07-20, Montreal, Kanada.

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Abstract

The Scanning Imaging Absorption Spectrometer for Atmospheric Chartography (SCIAMACHY) on-board the European EO platform ENVISAT has successfully achieved its nominal mission lifetime and is now in its first phase of mission extension until 2010. Because of the excellent status of the platform and the majority of instruments a further extension until the year 2013/2014 timeframe is in preparation. This more than doubles the originally specified in-orbit operations phase of SCIAMACHY and provides for a long continuous set of nadir and limb data. The second phase of the extension will be accomplished by modifying the ENVISAT orbit without maintaining fuel consuming inclination manoeuvres. Since SCIAMACHY’s viewing geometries are orbit dependent, reconfiguration of the instrument is required to further maintain the high quality of the acquired data. Additionally instrument subsystems are expected to degrade in orbit. These effects have to be compensated for by changing in-orbit operations and monitoring procedures as well as on-ground retrieval algorithms. We describe the expected instrument status at the start of the second extension phase in 2010 and what can be predicted for the end of the mission in about 2013/2014. Both degradation and orbit modification topics are addressed. It is shown how SCIAMACHY prepares for additional several years in-orbit thus serving the atmospheric science community with a wealth of high quality measurement data.

Document Type:Conference or Workshop Item (Speech)
Title:The SCIAMACHY Extended Mission
Authors:
AuthorsInstitution or Email of Authors
Gottwald, ManfredUNSPECIFIED
Krieg, EckhartUNSPECIFIED
Noel, StefanIUP/IFE, Universität Bremen
Bovensmann, HeinrichIUP/IFE, Universität Bremen
Bramstedt, KlausIUP/IFE, Universität Bremen
Snel, RalphSRON, Utrecht, The Netherlands
Date:July 2008
Status:Published
Keywords:ENVISAT, SCIAMACHY, mission extension, orbit, atmospheric sensor
Event Title:37th COSPAR Scientific Assembly
Event Location:Montreal, Kanada
Event Type:international Conference
Event Dates:2008-07-13 - 2008-07-20
Organizer:Committee on Space Research
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 - Vorhaben Entwicklung von Atmosphärenprozessoren (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Atmospheric Processors
Deposited By: Dr.rer.nat. Manfred Gottwald
Deposited On:15 Jan 2009
Last Modified:27 Apr 2009 15:44

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