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

De Smedt, Isabelle; Theys, Nicolas; Yu, Huan; Danckaert, Thomas; Lerot, Christophe; Compernolle, Steven; Van Roozendael, Michel; Richter, Andreas; Hilboll, Andreas; Peters, Enno; Pedergnana, Mattia; Loyola, Diego; Beirle, Steffen; Wagner, Thomas; Eskes, Henk; van Geffen, Jos; Boersma, Klaas Folkert; Veefkind, Pepijn

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

Articles | Volume 11, issue 4

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

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

TROPOMI on Sentinel-5 Precursor: data products and...

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

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 11, issue 4

Research article

|

26 Apr 2018

Research article |

| 26 Apr 2018

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

Isabelle De Smedt, Nicolas Theys, Huan Yu, Thomas Danckaert, Christophe Lerot, Steven Compernolle, Michel Van Roozendael, Andreas Richter, Andreas Hilboll, Enno Peters, Mattia Pedergnana, Diego Loyola, Steffen Beirle, Thomas Wagner, Henk Eskes, Jos van Geffen, Klaas Folkert Boersma, and Pepijn Veefkind

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Final revised paper (published on 26 Apr 2018)
Preprint (discussion started on 27 Nov 2017)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Review of De Smedt et al., Algorithm Theoretical Baseline for formaldehyde retrievals from S5P TROPOMI and from the QA4ECV project', Anonymous Referee #1, 29 Dec 2017
- AC1: 'Reply to referee 1', Isabelle De Smedt, 05 Mar 2018
SC1: 'A few comments on the 'ATB for HCHO retrievals from S5P TROPOMI and from the QA4ECV project'', Johannes Lampel, 12 Jan 2018
- AC3: 'reply to SC1', Isabelle De Smedt, 05 Mar 2018
RC2: 'A review of De Smedt et al., "Algorithm Theoretical Baseline for formaldehyde retrievals from S5P TROPOMI and from the QA4ECV project"', Anonymous Referee #2, 25 Jan 2018
- AC2: 'Reply to referee 2', Isabelle De Smedt, 05 Mar 2018

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Isabelle De Smedt on behalf of the Authors (05 Mar 2018) Author's response Manuscript

ED: Referee Nomination & Report Request started (25 Mar 2018) by Jhoon Kim

RR by Anonymous Referee #1 (26 Mar 2018)

ED: Publish as is (26 Mar 2018) by Jhoon Kim

AR by Isabelle De Smedt on behalf of the Authors (27 Mar 2018)

Short summary

This paper introduces the formaldehyde (HCHO) tropospheric vertical column retrieval algorithm implemented in the TROPOMI/Sentinel-5 Precursor 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.