Use of a global model to understand speciated atmospheric mercury observations at five high-elevation sites

Weiss-Penzias, P.; Amos, H. M.; Selin, N. E.; Gustin, M. S.; Jaffe, D. A.; Obrist, D.; Sheu, G.-R.; Giang, A.

doi:https://doi.org/10.5194/acp-15-1161-2015

Articles | Volume 15, issue 3

https://doi.org/10.5194/acp-15-1161-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-15-1161-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 3

Research article

|

02 Feb 2015

Research article |

| 02 Feb 2015

Use of a global model to understand speciated atmospheric mercury observations at five high-elevation sites

P. Weiss-Penzias, H. M. Amos, N. E. Selin, M. S. Gustin, D. A. Jaffe, D. Obrist, G.-R. Sheu, and A. Giang

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Status: closed

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

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RC C7469: 'Use of a global model to understand speciated atmospheric mercury observations at five high-elevation sites', Anonymous Referee #1, 28 Sep 2014
RC C7722: 'Approach is problematic.', Anonymous Referee #2, 05 Oct 2014
AC C8850: 'Author's final response', Peter Weiss, 06 Nov 2014

Peer-review completion

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

AR by Peter Weiss on behalf of the Authors (25 Nov 2014) Author's response Manuscript

ED: Referee Nomination & Report Request started (27 Nov 2014) by Leiming Zhang

RR by Anonymous Referee #1 (10 Dec 2014)

ED: Publish subject to technical corrections (12 Dec 2014) by Leiming Zhang

AR by Peter Weiss on behalf of the Authors (16 Dec 2014) Manuscript

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Short summary

Speciated atmospheric Hg measurements from five high-elevation sites were compared with a global mercury model. The comparison confirmed that reactive mercury is formed in dry free tropospheric air from the oxidation of elemental Hg, more so in the summer than in other seasons. Simulations run with OH-O3 oxidation instead of the Br oxidation mechanism compared more closely with observations at desert sites, suggesting future simulations should include multiple reaction mechanisms simultaneously.