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The GOME-type Total Ozone Essential Climate Variable (GTO-ECV) data record from the ESA Climate Change Initiative

Coldewey-Egbers, Melanie and Loyola, Diego and Koukouli, MariLiza and Balis, Dimitris and Lambert, Jean-Christopher and Verhoelst, Tijl and Granville, Jose and Van Roozendael, Michel and Lerot, Christophe and Spurr, Robert and Frith, Stacey and Zehner, Claus (2015) The GOME-type Total Ozone Essential Climate Variable (GTO-ECV) data record from the ESA Climate Change Initiative. Atmospheric Measurement Techniques, 8 (9), pp. 3923-3940. Copernicus Publications. DOI: 10.5194/amt-8-3923-2015 ISSN 1867-1381

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Official URL: http://www.atmos-meas-tech.net/8/3923/2015/amt-8-3923-2015.pdf

Abstract

We present the new GOME-type Total Ozone Essential Climate Variable (GTO-ECV) data record which has been created within the framework of the European Space Agency’s Climate Change Initiative (ESA-CCI). Total ozone column observations – based on the GOME-type Direct Fitting version 3 algorithm – from GOME (Global Ozone Monitoring Experiment), SCIAMACHY (SCanning Imaging Absorption SpectroMeter for Atmospheric CHartographY), and GOME-2 have been combined into one homogeneous time series, thereby taking advantage of the high inter-sensor consistency. The data record spans the 15-year period from March 1996 to June 2011 and it contains global monthly mean total ozone columns on a 1°x1° grid. Geophysical ground-based validation using Brewer, Dobson, and UV–visible instruments has shown that the GTO-ECV level 3 data record is of the same high quality as the equivalent individual level 2 data products that constitute it. Both absolute agreement and long-term stability are excellent with respect to the ground-based data, for almost all latitudes apart from a few outliers which are mostly due to sampling differences between the level 2 and level 3 data. We conclude that the GTO-ECV data record is valuable for a variety of climate applications such as the long-term monitoring of the past evolution of the ozone layer, trend analysis and the evaluation of chemistry–climate model simulations.

Item URL in elib:https://elib.dlr.de/98358/
Document Type:Article
Title:The GOME-type Total Ozone Essential Climate Variable (GTO-ECV) data record from the ESA Climate Change Initiative
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Coldewey-Egbers, MelanieDLR-IMFUNSPECIFIED
Loyola, DiegoDLR-IMFUNSPECIFIED
Koukouli, MariLizaAUTHUNSPECIFIED
Balis, DimitrisAUTHUNSPECIFIED
Lambert, Jean-ChristopherBIRA-IASBUNSPECIFIED
Verhoelst, TijlBIRA-IASBUNSPECIFIED
Granville, JoseBIRA-IASBUNSPECIFIED
Van Roozendael, MichelBIRA-IASBUNSPECIFIED
Lerot, ChristopheBIRA-IASBUNSPECIFIED
Spurr, RobertRT Solutions, Inc.UNSPECIFIED
Frith, StaceyNASAUNSPECIFIED
Zehner, ClausESA-ESRINUNSPECIFIED
Date:24 September 2015
Journal or Publication Title:Atmospheric Measurement Techniques
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:8
DOI :10.5194/amt-8-3923-2015
Page Range:pp. 3923-3940
Publisher:Copernicus Publications
ISSN:1867-1381
Status:Published
Keywords:total ozone, ESA-CCI, GOME, SCIAMACHY, GOME-2, validation
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 Datenprodukte für Klima- und Atmosphärenanwendungen (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Atmospheric Processors
Deposited By: Coldewey-Egbers, Melanie
Deposited On:12 Oct 2015 11:19
Last Modified:02 May 2019 14:13

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