Four years (2011–2015) of total gaseous mercury measurements from the Cape Verde Atmospheric Observatory

Read, Katie A.; Neves, Luis M.; Carpenter, Lucy J.; Lewis, Alastair C.; Fleming, Zoe L.; Kentisbeer, John

doi:https://doi.org/10.5194/acp-17-5393-2017

Articles | Volume 17, issue 8

https://doi.org/10.5194/acp-17-5393-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

Global Mercury Observation System – Atmosphere...

https://doi.org/10.5194/acp-17-5393-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 17, issue 8

Research article

|

26 Apr 2017

Research article |

| 26 Apr 2017

Four years (2011–2015) of total gaseous mercury measurements from the Cape Verde Atmospheric Observatory

Katie A. Read, Luis M. Neves, Lucy J. Carpenter, Alastair C. Lewis, Zoe L. Fleming, and John Kentisbeer

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Final revised paper (published on 26 Apr 2017)
Supplement to the final revised paper
Preprint (discussion started on 06 Dec 2016)

Interactive discussion

Status: closed

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

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RC1: 'Four years of TGM measurements at Cape Verde.', Anonymous Referee #1, 19 Dec 2016
RC2: 'Four years (2011 - 2015) of Total Gaseous Measurements from the Cape Verde Atmospheric Observatory', Anonymous Referee #2, 21 Dec 2016
AC1: 'Response to reviewers' comments', Katie Read, 15 Mar 2017

Peer-review completion

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

AR by Katie. A. Read on behalf of the Authors (15 Mar 2017) Author's response Manuscript

ED: Publish as is (24 Mar 2017) by Ralf Ebinghaus

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Short summary

This paper presents 4 years of total gaseous mercury data obtained from measurements made at the Cape Verde Atmospheric Observatory, a subtropical site in the Atlantic Ocean. The data show a clear decreasing trend in the overall concentrations but in air from sub-Saharan Africa the trend is less significant and the data more variable. We attribute this result to an influence from artisanal small-scale gold mining in this region, a source for which there is uncertain information.