Articles | Volume 17, issue 18
Atmos. Chem. Phys., 17, 11623–11636, 2017
https://doi.org/10.5194/acp-17-11623-2017
Atmos. Chem. Phys., 17, 11623–11636, 2017
https://doi.org/10.5194/acp-17-11623-2017

Research article 28 Sep 2017

Research article | 28 Sep 2017

Atmospheric mercury in the Southern Hemisphere tropics: seasonal and diurnal variations and influence of inter-hemispheric transport

Dean Howard et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Dean Howard on behalf of the Authors (29 Jul 2017)  Author's response    Manuscript
ED: Publish as is (21 Aug 2017) by Aurélien Dommergue
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Short summary
Mercury, a toxic metal, can be transported globally through the atmosphere, with deposition to ecosystems an important pathway to human exposure. 2 years of atmospheric mercury monitoring in tropical Australia supports recent evidence that Southern Hemisphere concentrations are lower than previously thought. Exchange between the atmosphere and ecosystems can take place on daily scales, with night deposition offset by morning re-emission. This could be an important transport pathway for mercury.
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