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Observed decrease in atmospheric mercury explained by global decline in anthropogenic emissions

November 30, 2015

Observations of elemental mercury (Hg0) at sites in North America and Europe show large decreases (∼1–2% y−1) from 1990 to present. Observations in background northern hemisphere air, including Mauna Loa Observatory (Hawaii) and CARIBIC (Civil Aircraft for the Regular Investigation of the atmosphere Based on an Instrument Container) aircraft flights, show weaker decreases (

Publication Year 2015
Title Observed decrease in atmospheric mercury explained by global decline in anthropogenic emissions
DOI 10.1073/pnas.1516312113
Authors Yanxu Zhang, Daniel Jacob, Hannah Horowitz, Long Chen, Helen Amos, David Krabbenhoft, Franz Slemr, Vincent St. Louis, Elsie M. Sunderland
Publication Type Article
Publication Subtype Journal Article
Series Title Proceedings of the National Academy of Sciences
Index ID 70164522
Record Source USGS Publications Warehouse
USGS Organization Toxic Substances Hydrology Program; Wisconsin Water Science Center
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