Restoring the top-of-atmosphere reflectance during solar eclipses: a proof of concept with the UV absorbing aerosol index measured by TROPOMI

Trees, Victor; Wang, Ping; Stammes, Piet

doi:https://doi.org/10.5194/acp-21-8593-2021

Articles | Volume 21, issue 11

https://doi.org/10.5194/acp-21-8593-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-21-8593-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 21, issue 11

Research article

|

08 Jun 2021

Research article |

| 08 Jun 2021

Restoring the top-of-atmosphere reflectance during solar eclipses: a proof of concept with the UV absorbing aerosol index measured by TROPOMI

Victor Trees, Ping Wang, and Piet Stammes

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Final revised paper (published on 08 Jun 2021)
Preprint (discussion started on 18 Dec 2020)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review', Anonymous Referee #2, 29 Dec 2020
- AC1: 'Reply on RC1', Victor Trees, 27 Mar 2021
RC2: 'Additional reasons why the proposed method will lead to better understanding of atmospheric processes should be provided', Anonymous Referee #1, 12 Jan 2021
- AC2: 'Reply on RC2', Victor Trees, 27 Mar 2021

Peer-review completion

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

AR by Victor Trees on behalf of the Authors (15 Apr 2021) Author's response Author's tracked changes Manuscript

ED: Publish subject to minor revisions (review by editor) (20 Apr 2021) by Michel Van Roozendael

AR by Victor Trees on behalf of the Authors (22 Apr 2021) Author's response Author's tracked changes Manuscript

ED: Publish as is (22 Apr 2021) by Michel Van Roozendael

AR by Victor Trees on behalf of the Authors (22 Apr 2021) Author's response Manuscript

Short summary

Given the time and location of a point on the Earth's surface, we explain how to compute the wavelength-dependent obscuration during solar eclipses. We restore the top-of-atmosphere reflectances and the absorbing aerosol index in the partial Moon shadow during the solar eclipses on 26 December 2019 and 21 June 2020 measured by TROPOMI. This correction method resolves eclipse anomalies and allows for study of the effect of solar eclipses on the composition of the Earth's atmosphere from space.