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SCIAMACHY Spectral Response Function: Retrieval and Analysis

Hamidouche, Mourad and Lichtenberg, Günter and Gottwald, Manfred (2017) SCIAMACHY Spectral Response Function: Retrieval and Analysis. In: Geophysical Research Abstracts. EGU 2017, 23–28 April 2017, Vienna, Austria.

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Abstract

Mounted on board the ESA ENVISAT satellite, SCIAMACHY (SCanning Imaging Absorption spectroMeter for Atmospheric CHartographY) is a passive imaging spectrometer to probe a large number of atmospheric trace gas species at different wavelengths in the UV and Visible (channels 1-5) as well as in the near-infrared spectral regions (channels 6-8). One of the key and important components that is needed to perform spectral calibration and to process Level 1 and Level 2 data is the instrument spectral response function (ISRF). Therefore, an accurate knowledge or characterization of the ISRF including both its shape and stability over time is crucial. We have therefore developed a method to retrieve the in flight ISRF using daily SCIAMACHY solar measurements over the entire lifetime of the mission. This new method allows us to parametrize and compute the ISRF, and furthermore, investigate any variations of its shape over time. We will present our analytical method for the retrieval of the ISRF and our approach for probing its behavior in different spectral channels. We will show the corresponding results and discuss the overall behavior of SCIAMACHY ISRF and how this might affect spectral calibration.

Item URL in elib:https://elib.dlr.de/111115/
Document Type:Conference or Workshop Item (Poster)
Additional Information:EGU2017-15742-1, 2017
Title:SCIAMACHY Spectral Response Function: Retrieval and Analysis
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Hamidouche, Mouradmourad.hamidouche (at) dlr.deUNSPECIFIED
Lichtenberg, Günterguenter.lichtenberg (at) dlr.deUNSPECIFIED
Gottwald, ManfredManfred.Gottwald (at) dlr.deUNSPECIFIED
Date:2017
Journal or Publication Title:Geophysical Research Abstracts
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:SCIAMACHY, Slit, Atmosphere, ISRF, Earth
Event Title:EGU 2017
Event Location:Vienna, Austria
Event Type:international Conference
Event Dates:23–28 April 2017
Organizer:European Geosciences Union
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 - Vorhaben Atmosphären- und Klimaforschung, R - Project Climatic relevance of atmospheric tracer gases, aerosols and clouds
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Atmospheric Processors
Deposited By: Hamidouche, Mourad
Deposited On:16 Feb 2017 11:27
Last Modified:08 Dec 2017 18:09

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