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Carbon gas retrievals from SCIAMACHY observations using BIRRA

Gimeno Garcia, Sebastian and Schreier, Franz and Meringer, Markus and Lichtenberg, Günter (2012) Carbon gas retrievals from SCIAMACHY observations using BIRRA. . ATMOS 2012 - Advances in Atmospheric Science and Applications, 18-22 Juni 2012, Bruegge, Belgien.

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The near infrared (NIR) region of the spectrum contains valuable information about atmospheric greenhouse gases such as CO2, CH4 or H2O. Moreover, down-looking NIR atmospheric spectra are sensitive to variations of molecular concentrations over the whole atmosphere, including the lower layers of troposphere, what makes this spectral region especially suitable for the analysis of emission sources and sinks. SCIAMACHY aboard the ENVISAT satellite is equipped with 3 channels (6, 7, and 8) on the NIR region. Channel 8 (2259--2386 nm) is mainly used for CO retrievals, whereas channel 6 (971--1773 nm) is exploited by most of the existing retrieval algorithms to obtain information on CH4 and CO2. For the processing of SCIAMACHY NIR data, the BIRRA (Beer InfraRed Retrieval Algorithm) has been implemented in the operational processor. In order to estimate the actual atmospheric state, BIRRA performs a separable least squares fit of the measured radiance where the atmospheric parameters are scaled to fit the observed spectra. The current version of the processor includes CO vertical column densities among the official products, whereas a new CH4 column-averaged mixing ratio product is planned for the next release. In this study, we present some representative results of CO and CH4 from SCIAMACHY NIR spectra using BIRRA.

Item URL in elib:https://elib.dlr.de/78254/
Document Type:Conference or Workshop Item (Poster)
Title:Carbon gas retrievals from SCIAMACHY observations using BIRRA
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Gimeno Garcia, SebastianTU MuenchenUNSPECIFIEDUNSPECIFIED
Date:June 2012
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Radiative transfer, near Infrared, ENVISAT
Event Title:ATMOS 2012 - Advances in Atmospheric Science and Applications
Event Location:Bruegge, Belgien
Event Type:international Conference
Event Dates:18-22 Juni 2012
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: Schreier, Dr.rer.nat. Franz
Deposited On:06 Nov 2012 09:29
Last Modified:06 Nov 2012 09:29

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