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Limb-Nadir Matching for Tropospheric NO2: A New Algorithm in the SCIAMACHY Operational Level 2 Processor

Meringer, Markus and Hrechanyy, Serhiy and Lichtenberg, Günter and Hilboll, Andreas and Richter, Andreas and Burrows, John P. (2015) Limb-Nadir Matching for Tropospheric NO2: A New Algorithm in the SCIAMACHY Operational Level 2 Processor. In: Proceedings of ATMOS 2015, SP-735, pp. 1-4. ATMOS 2015, 08.-12. Jun 2015, Heraklion, Griechenland.

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Official URL: http://seom.esa.int/atmos2015/page_session16.php#218p

Abstract

SCIAMACHY (SCanning Imaging Absorption spectroMeter for Atmospheric CHartographY) aboard ESA's environmental satellite ENVISAT observed the Earth's atmosphere in limb, nadir, and solar/lunar occultation geometries covering the UV-Visible to NIR spectral range. Limb and nadir geometries were the main operation modes for the retrieval of scientific data. The new version 6 of ESA's level 2 processor now provides for the first time an operational algorithm to combine measurements of these two geometries in order to generate new products. As a first instance the retrieval of tropospheric NO2 has been implemented based on IUP-Bremen's reference algorithm [1]. We will detail the single processing steps performed by the operational limb-nadir matching algorithm and report the results of comparisons with the scientific tropospheric NO2 products of IUP and TEMIS [2]. The operational limb-nadir matching has been programmed in a generic way, meaning that the application to further trace gas species will require moderate adaptations only. Retrieval of tropospheric BrO by limb-nadir matching is planned for the next operational processor version. References: [1] A. Hilboll, A. Richter, A. Rozanov, Ø. Hodnebrog, A. Heckel, S. Solberg, F. Stordal, and J. P. Burrows. Retrieval of tropospheric NO2 columns from SCIAMACHY combining measurements from limb and nadir geometries. Atmos. Meas. Tech. Discuss., 5, 5043-5105, 2012. [2] K. F. Boersma, H. J. Eskes and E. J. Brinksma: Error Analysis for Tropospheric NO2 Retrieval from Space. J. Geophys. Res., 109 D04311, 2004.

Item URL in elib:https://elib.dlr.de/96672/
Document Type:Conference or Workshop Item (Poster)
Title:Limb-Nadir Matching for Tropospheric NO2: A New Algorithm in the SCIAMACHY Operational Level 2 Processor
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Meringer, MarkusMarkus.Meringer (at) dlr.deUNSPECIFIED
Hrechanyy, SerhiySerhiy.Hrechanyy (at) dlr.deUNSPECIFIED
Lichtenberg, Günterguenter.lichtenberg (at) dlr.deUNSPECIFIED
Hilboll, AndreasIUP, Univ. of BremenUNSPECIFIED
Richter, AndreasUniv. of Bremen, BremenUNSPECIFIED
Burrows, John P.IUP-IFE, Universität BremenUNSPECIFIED
Date:2015
Journal or Publication Title:Proceedings of ATMOS 2015
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:SP-735
Page Range:pp. 1-4
Editors:
EditorsEmail
UNSPECIFIEDESA
Series Name:ESA Special Publication
Status:Published
Keywords:SCIAMACHY, level 2 retrieval, limb-nadir matching, tropospheric NO2
Event Title:ATMOS 2015
Event Location:Heraklion, Griechenland
Event Type:international Conference
Event Dates:08.-12. Jun 2015
Organizer:ESA
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 - Projekt ENVISAT (old), R - Vorhaben Datenprodukte für Klima- und Atmosphärenanwendungen (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Atmospheric Processors
Deposited By: Meringer, Dr.rer.nat. Markus
Deposited On:18 Jun 2015 09:29
Last Modified:31 Jul 2019 19:53

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