Articles | Volume 18, issue 1
https://doi.org/10.5194/acp-18-129-2018
https://doi.org/10.5194/acp-18-129-2018
Research article
 | 
05 Jan 2018
Research article |  | 05 Jan 2018

Mercury fluxes over an Australian alpine grassland and observation of nocturnal atmospheric mercury depletion events

Dean Howard and Grant C. Edwards

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Dean Howard on behalf of the Authors (02 Nov 2017)  Author's response   Manuscript 
ED: Publish as is (07 Nov 2017) by Aurélien Dommergue
AR by Dean Howard on behalf of the Authors (17 Nov 2017)
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Short summary
Air–surface exchange of mercury is an important process for the movement of this toxic metal through the environment. This study presents observations of nocturnal depletion of atmospheric mercury, with surface deposition playing a large role. This deposited mercury is more labile, with up to ~17% re-released the following morning. This study is the first of its kind taken in Australia. Comparison with studies in the Northern Hemisphere shows reasonably good agreement for deposition velocities.
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