Effects of clouds on the UV Absorbing Aerosol Index from TROPOMI

Kooreman, Maurits L.; Stammes, Piet; Trees, Victor; Sneep, Maarten; Tilstra, L. Gijsbert; de Graaf, Martin; Stein Zweers, Deborah C.; Wang, Ping; Tuinder, Olaf N. E.; Veefkind, J. Pepijn

doi:https://doi.org/10.5194/amt-13-6407-2020

Articles | Volume 13, issue 12

https://doi.org/10.5194/amt-13-6407-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

TROPOMI on Sentinel-5 Precursor: first year in operation (AMT/ACP...

https://doi.org/10.5194/amt-13-6407-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 13, issue 12

Research article

|

30 Nov 2020

Research article |

| 30 Nov 2020

Effects of clouds on the UV Absorbing Aerosol Index from TROPOMI

Maurits L. Kooreman, Piet Stammes, Victor Trees, Maarten Sneep, L. Gijsbert Tilstra, Martin de Graaf, Deborah C. Stein Zweers, Ping Wang, Olaf N. E. Tuinder, and J. Pepijn Veefkind

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Final revised paper (published on 30 Nov 2020)
Preprint (discussion started on 28 Apr 2020)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Refree Report', Anonymous Referee #1, 29 May 2020
- AC1: 'Response to reviewer #1', Maurits Kooreman, 07 Aug 2020
RC2: 'Review comment for the cloud effect on the UV AAI from TROPOMI', Anonymous Referee #2, 01 Jun 2020
- AC2: 'Response to reviewer #2', Maurits Kooreman, 07 Aug 2020

Peer-review completion

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

AR by Maurits Kooreman on behalf of the Authors (07 Aug 2020) Author's response Manuscript

ED: Referee Nomination & Report Request started (30 Aug 2020) by Jhoon Kim

RR by Anonymous Referee #2 (12 Sep 2020)

RR by Anonymous Referee #1 (18 Sep 2020)

ED: Publish as is (07 Oct 2020) by Jhoon Kim

AR by Maurits Kooreman on behalf of the Authors (11 Oct 2020)

Short summary

We investigated the influence of clouds on the Absorbing Aerosol Index (AAI), an indicator of the presence of small particles in the atmosphere. Clouds produce artifacts in AAI calculations on the individual measurement (7 km) scale, which was not seen with previous instruments, as well as on large (1000+ km) scales. To reduce these artefacts, we used three different AAI calculation techniques of varying complexity. We find that the AAI artifacts are reduced when using more complex techniques.