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Algorithm theoretical baseline for formaldehyde retrievals from S5P TROPOMI and from the QA4ECV project

De Smedt, Isabelle and Theys, Nicolas and Yu, Huan and Danckaert, Thomas and Lerot, Christophe and Compernolle, Steven and Van Roozendael, Michel and Richter, Andreas and Hilboll, Andreas and Peters, Enno and Pedergnana, Mattia and Loyola, Diego and Beirle, Steffen and Wagner, Thomas and Eskes, Henk and van Geffen, Jos and Folkert Boersma, Klaas and Veefkind, Pepijn (2018) Algorithm theoretical baseline for formaldehyde retrievals from S5P TROPOMI and from the QA4ECV project. Atmospheric Measurement Techniques, 11 (4), pp. 2395-2426. Copernicus Publications. DOI: 10.5194/amt-11-2395-2018 ISSN 1867-1381

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Official URL: https://doi.org/10.5194/amt-11-2395-2018

Abstract

On board the Copernicus Sentinel-5 Precursor (S5P) platform, the TROPOspheric Monitoring Instrument (TROPOMI) is a double-channel, nadir-viewing grating spectrometer measuring solar back-scattered earthshine radiances in the ultraviolet, visible, near-infrared, and short-wave infrared with global daily coverage. In the ultraviolet range, its spectral resolution and radiometric performance are equivalent to those of its predecessor OMI, but its horizontal resolution at true nadir is improved by an order of magnitude. This paper introduces the formaldehyde (HCHO) tropospheric vertical column retrieval algorithm implemented in the S5P operational processor and comprehensively describes its various retrieval steps. Furthermore, algorithmic improvements developed in the framework of the EU FP7-project QA4ECV are described for future updates of the processor. Detailed error estimates are discussed in the light of Copernicus user requirements and needs for validation are highlighted. Finally, verification results based on the application of the algorithm to OMI measurements are presented, demonstrating the performances expected for TROPOMI.

Item URL in elib:https://elib.dlr.de/120014/
Document Type:Article
Title:Algorithm theoretical baseline for formaldehyde retrievals from S5P TROPOMI and from the QA4ECV project
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
De Smedt, IsabelleBelgian Institute for Space AeronomyUNSPECIFIED
Theys, NicolasBelgian Institute for Space AeronomyUNSPECIFIED
Yu, HuanBelgian Institute for Space AeronomyUNSPECIFIED
Danckaert, ThomasBelgian Institute for Space AeronomyUNSPECIFIED
Lerot, ChristopheBelgian Institute for Space AeronomyUNSPECIFIED
Compernolle, StevenBelgian Institute for Space AeronomyUNSPECIFIED
Van Roozendael, MichelBelgian Institute for Space Aeronomy, Brussels, BelgiumUNSPECIFIED
Richter, AndreasUniversity of BremenUNSPECIFIED
Hilboll, AndreasUniversity of BremenUNSPECIFIED
Peters, EnnoUniversity of BremenUNSPECIFIED
Pedergnana, MattiaGerman Aerospace Centre, Remote Sensing Technology InstituteUNSPECIFIED
Loyola, DiegoGerman Aerospace Centre, Remote Sensing Technology InstituteUNSPECIFIED
Beirle, SteffenMPI for Chemistry, MainzUNSPECIFIED
Wagner, ThomasMPI for Chemistry, MainzUNSPECIFIED
Eskes, HenkKNMIUNSPECIFIED
van Geffen, JosKNMIUNSPECIFIED
Folkert Boersma, KlaasKNMIUNSPECIFIED
Veefkind, PepijnKNMIUNSPECIFIED
Date:26 April 2018
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:11
DOI :10.5194/amt-11-2395-2018
Page Range:pp. 2395-2426
Publisher:Copernicus Publications
ISSN:1867-1381
Status:Published
Keywords:TROPOMI, DOAS, S5P, Formaldehyde, QA4ECV, Atmosphere, HCHO
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
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Atmospheric Processors
Deposited By: Pedergnana, Mattia
Deposited On:24 May 2018 13:29
Last Modified:02 May 2019 14:13

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