Source apportionment of atmospheric mercury in the remote marine atmosphere: Mace Head GAW station, Irish western coast

We examined recent atmospheric mercury concentrations measured with a high temporal resolution of 15 min at Mace Head, a GAW station on the western coast of Ireland. We attributed a direct contribution of 34 % (0.44 ng m.sup.-3) to primary sources. Additionally, a steep decline (0.05 ng yr.sup.-1) i...

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Bibliographic Details
Published in:Atmospheric chemistry and physics 2020-07, Vol.20 (13), p.7929-7939
Main Authors: Custodio, Danilo, Ebinghaus, Ralf, Spain, T. Gerard, Bieser, Johannes
Format: Article
Language:English
Subjects:
Air-sea interaction
Algorithms
Analysis
Apportionment
Atmosphere
Atmospheric composition
Atmospheric mercury
Coal-fired power plants
Diurnal variations
Industrial plant emissions
Mercury
Mercury (metal)
Mercury (Planet)
Political protest
Principal components analysis
Seasonal variations
Seasonality
Species
Temporal resolution
Temporal variations
Time series
Tracers
Trends
Wind effects
Wind patterns
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Summary:We examined recent atmospheric mercury concentrations measured with a high temporal resolution of 15 min at Mace Head, a GAW station on the western coast of Ireland. We attributed a direct contribution of 34 % (0.44 ng m.sup.-3) to primary sources. Additionally, a steep decline (0.05 ng yr.sup.-1) in mercury concentrations was observed between 2013 and 2018.
ISSN:1680-7324
1680-7316
1680-7324
DOI:10.5194/acp-20-7929-2020