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Carbon Monoxide and Methane Retrievals from SCIAMACHY Infrared Channels

Gimeno-Garcia, Sebastian and Schreier, Franz and Lichtenberg, Günter and Slijkhuis, Sander and Aberle, Bernd (2009) Carbon Monoxide and Methane Retrievals from SCIAMACHY Infrared Channels. Atmospheric Science Conference, 7 - 11 Sep 2009, Barcelona, Spain.

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Abstract

The Beer InfraRed Retrieval Algorithm (BIRRA) is designed to retrieve vertical column densities (VCDs) of atmospheric gases in the near infrared (NIR) region of the electromagnetic spectrum. Recently, it has been success fully incorporated into the operational SCIAMACHY processor for retrieval of carbon monoxide (CO) VCDs from nadir observations in channel 8 (validation is still ongoing). Furthermore, BIRRA can be used to gain information on other gases absorbing in the SCIAMACHY NIR channels, the most important among them being (CH4 ) and (CO2 ). During its lifetime, SCIAMACHY NIR channels have been degrading, with the number of bad and/or dead pixels continuously increasing with time. Further, it has been shown that retrieval results vary considerably with the omission (or inclusion) of one single spectral pixel. For this reason, an accurate bad dead pixel mask is crucial for the quality of the SCIAMACHY NIR retrievals. Additionally, the post-processing (nb. filtering of good results) is not straightforward and special care has to be taken. In this work, we present results of carbon monoxide and methane retrievals using BIRRA in SCIAMACHY channels 6 and 8.

Document Type:Conference or Workshop Item (Poster)
Title:Carbon Monoxide and Methane Retrievals from SCIAMACHY Infrared Channels
Authors:
AuthorsInstitution or Email of Authors
Gimeno-Garcia, SebastianUNSPECIFIED
Schreier, Franzfranz.schreier@dlr.de
Lichtenberg, GünterUNSPECIFIED
Slijkhuis, SanderUNSPECIFIED
Aberle, BerndUNSPECIFIED
Date:September 2009
Page Range:pp. 1-7
Status:Published
Keywords:Atmosphere, Remote Sensing, Carbon Monoxide, Methane, ENVISAT, SCIAMACHY,
Event Title:Atmospheric Science Conference
Event Location:Barcelona, Spain
Event Type:international Conference
Event Dates:7 - 11 Sep 2009
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. Franz Schreier
Deposited On:30 Nov 2009 09:47
Last Modified:19 Apr 2013 14:38

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  • Carbon Monoxide and Methane Retrievals from SCIAMACHY Infrared Channels. (deposited 30 Nov 2009 09:47) [Currently Displayed]

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