Odds and ends of atmospheric mercury in Europe and over the North Atlantic Ocean: temporal trends of 25 years of measurements

The global monitoring plan of the Minamata Convention on Mercury was established to generate long-term data necessary for evaluating the effectiveness of regulatory measures at a global scale. After 25 years of monitoring (since 1995), Mace Head is one of the atmospheric monitoring stations with the...

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Bibliographic Details
Published in:Atmospheric chemistry and physics 2022-03, Vol.22 (6), p.3827-3840
Main Authors: Custódio, Danilo, Pfaffhuber, Katrine Aspmo, Spain, T. Gerard, Pankratov, Fidel F, Strigunova, Iana, Molepo, Koketso, Skov, Henrik, Bieser, Johannes, Ebinghaus, Ralf
Format: Article
Language:English
Subjects:
Aerosols
Air masses
Analysis
Anthropogenic factors
Atmospheric composition
Atmospheric mercury
Atmospheric monitoring
Environmental law
Evaluation
Factorization
Gases
International agreements
International law
Long-range transport
Mercury
Mercury (metal)
Mercury (Planet)
Monitoring
Monitoring systems
Observatories
Ocean
Regression analysis
Statistical analysis
Time series
Trace gases
Trajectory measurement
Trends
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Summary:The global monitoring plan of the Minamata Convention on Mercury was established to generate long-term data necessary for evaluating the effectiveness of regulatory measures at a global scale. After 25 years of monitoring (since 1995), Mace Head is one of the atmospheric monitoring stations with the longest mercury record and has produced sufficient data for the analysis of temporal trends of total gaseous mercury (TGM) in Europe and the North Atlantic. Using concentration-weighted trajectories for atmospheric mercury measured at Mace Head as well as another five locations in Europe, Amderma, Andøya, Villum, Waldhof and Zeppelin, we identify the regional probabilistic source contribution factor and its changes for the period of 1996 to 2019.
ISSN:1680-7324
1680-7316
1680-7324
DOI:10.5194/acp-22-3827-2022