A geometry-dependent surface Lambertian-equivalent reflectivity product for UV–Vis retrievals – Part 1: Evaluation over land surfaces using measurements from OMI at 466&thinsp;nm

Qin, Wenhan; Fasnacht, Zachary; Haffner, David; Vasilkov, Alexander; Joiner, Joanna; Krotkov, Nickolay; Fisher, Bradford; Spurr, Robert

doi:https://doi.org/10.5194/amt-12-3997-2019

Articles | Volume 12, issue 7

https://doi.org/10.5194/amt-12-3997-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/amt-12-3997-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 12, issue 7

Research article

|

19 Jul 2019

Research article |

| 19 Jul 2019

A geometry-dependent surface Lambertian-equivalent reflectivity product for UV–Vis retrievals – Part 1: Evaluation over land surfaces using measurements from OMI at 466 nm

Wenhan Qin, Zachary Fasnacht, David Haffner, Alexander Vasilkov, Joanna Joiner, Nickolay Krotkov, Bradford Fisher, and Robert Spurr

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Final revised paper (published on 19 Jul 2019)
Preprint (discussion started on 08 Jan 2019)

Interactive discussion

Status: closed

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

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RC1: 'Review of ‘A geometry-dependent surface Lambertian-equivalent reflectivity product at 466 nm for UV-Vis retrievals’ by W. Qin et al.', Anonymous Referee #1, 09 Feb 2019
- AC1: 'our response to reviewer 1 is attached as PDF file', Wenhan Qin, 07 May 2019
RC2: 'Review of the paper "A geometry-dependent surface Lambertian-equivalent reflectivity product at 466 nm for UV/Vis retrievals: Part I. Evaluation over land surfaces using measurements from OMI" by Wenhan Qin et al.', Anonymous Referee #2, 18 Feb 2019
- AC2: 'our response to reviewer 2 is attached as PDF file', Wenhan Qin, 07 May 2019

Peer-review completion

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

AR by Wenhan Qin on behalf of the Authors (07 May 2019) Author's response Manuscript

ED: Referee Nomination & Report Request started (15 May 2019) by Mark Weber

RR by Anonymous Referee #2 (21 May 2019)

RR by Anonymous Referee #1 (02 Jun 2019)

ED: Publish as is (03 Jun 2019) by Mark Weber

AR by Wenhan Qin on behalf of the Authors (13 Jun 2019) Manuscript

Short summary

Satellite observations depend on Sun and view angles due to anisotropy of the Earth's atmosphere and surface reflection. But most of the ultraviolet and visible cloud, aerosol, and trace-gas algorithms utilize surface reflectivity databases that do not account for surface anisotropy. We create a surface database using the GLER concept which adequately accounts for surface anisotropy, validate it with independent satellite data, and provide a simple implementation to the current algorithms.