Articles | Volume 15, issue 6
Atmos. Chem. Phys., 15, 3125–3133, 2015
https://doi.org/10.5194/acp-15-3125-2015
Atmos. Chem. Phys., 15, 3125–3133, 2015
https://doi.org/10.5194/acp-15-3125-2015

Research article 19 Mar 2015

Research article | 19 Mar 2015

Comparison of mercury concentrations measured at several sites in the Southern Hemisphere

F. Slemr et al.

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Short summary
• Longer-term mercury measurement in the Southern Hemisphere is compared. • Mercury, in terms of monthly and annual medians and averages, is more evenly distributed than hitherto believed. • Consequently, trends observed at one or a few sites are likely to be representative of the whole hemisphere, and smaller trends can be detected in shorter time periods. • We report a change in the trend sign at Cape Point from decreasing mercury concentrations in 1996-2004 to increasing ones since 2007.
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