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The Status of the SCIAMACHY Line-of-Sight Knowledge

Gottwald, Manfred and Krieg, Eckhart and Lichtenberg, Günter and Slijkhuis, Sander and von Savigny, Christian and Noel, Stefan and Bovensmann, Heinrich and Bramstedt, Klaus (2010) The Status of the SCIAMACHY Line-of-Sight Knowledge. In: Proceedings of the ESA Living Planet Symposium, pp. 1-7. ESA Living Planet Symposium, 28. Jun. - 02. Jul., Bergen (Norwegen).

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Abstract

The line-of-sight pointing knowledge is one of the key parameters defining the quality of SCIAMACHY’s measurement data. Particularly for observation geometries with long light paths, i.e. limb and sun or moon occultations, a high LoS pointing knowledge accuracy ensures assigning correct tangent altitudes to retrieved atmospheric parameters. Over the entire SCIAMACHY mission a steady improvement of the pointing knowledge is achieved. Currently an overall high accuracy in the order of 2-3 mdeg is maintained. However the acquired data still show small effects which indicate systematic pointing uncertainties in the order of at most a few mdeg. We present these residual effects and discuss how they might be corrected for.

Document Type:Conference or Workshop Item (Poster)
Title:The Status of the SCIAMACHY Line-of-Sight Knowledge
Authors:
AuthorsInstitution or Email of Authors
Gottwald, Manfredmanfred.gottwald@dlr.de
Krieg, EckhartUNSPECIFIED
Lichtenberg, GünterUNSPECIFIED
Slijkhuis, SanderUNSPECIFIED
von Savigny, ChristianIUP-IFE, Universität Bremen
Noel, StefanIUP-IFE, Universität Bremen
Bovensmann, HeinrichIUP-IFE, Universität Bremen
Bramstedt, KlausIUP-IFE, Universität Bremen
Date:July 2010
Journal or Publication Title:Proceedings of the ESA Living Planet Symposium
Page Range:pp. 1-7
Editors:
EditorsEmail
ESA, Publications DivisionUNSPECIFIED
Series Name:SP-686
Status:Published
Keywords:SCIAMACHY, ENVISAT, mispointing, attitude, line-of-sight, tangent height
Event Title:ESA Living Planet Symposium
Event Location:Bergen (Norwegen)
Event Type:international Conference
Event Dates:28. Jun. - 02. Jul.
Organizer:ESA
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:12 Jan 2011 10:35
Last Modified:19 Apr 2013 10:18

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