Measurement of atmospheric mercury: Current limitations and suggestions for paths forward

MS Gustin, SM Dunham-Cheatham… - Environmental …, 2024 - ACS Publications
Mercury (Hg) researchers have made progress in understanding atmospheric Hg, especially
with respect to oxidized Hg (HgII) that can represent 2 to 20% of Hg in the atmosphere …

Development of an understanding of reactive mercury in ambient air: A review

MS Gustin, SM Dunham-Cheatham, J Huang… - Atmosphere, 2021 - mdpi.com
This review focuses on providing the history of measurement efforts to quantify and
characterize the compounds of reactive mercury (RM), and the current status of …

Observations of the chemistry and concentrations of reactive Hg at locations with different ambient air chemistry

MS Gustin, SM Dunham-Cheatham, N Allen… - Science of The Total …, 2023 - Elsevier
The Hg research community needs methods to more accurately measure atmospheric Hg
concentrations and chemistry. The Reactive Mercury Active System (RMAS) uses cation …

Interaction of reactive mercury with surfaces and implications for atmospheric mercury speciation measurements

N Allen, J Gačnik, SM Dunham-Cheatham… - Atmospheric …, 2024 - Elsevier
Accurate measurement of atmospheric reactive mercury (RM) presents analytical challenges
due to its reactivity and ultra-trace concentrations. In the last decade, use of the University of …

Mercury in the free troposphere and bidirectional atmosphere–vegetation exchanges–insights from Maïdo mountain observatory in the Southern Hemisphere tropics

AM Koenig, O Magand, B Verreyken… - Atmospheric …, 2023 - acp.copernicus.org
Atmospheric mercury (Hg) observations in the lower free troposphere (LFT) can give
important insights into Hg redox chemistry and can help constrain Hg background …

Determining sources of reactive mercury compounds in Reno, Nevada, United States

MS Gustin, SM Dunham-Cheatham… - Frontiers in …, 2023 - frontiersin.org
There is much uncertainty regarding the sources of reactive mercury (RM) compounds and
atmospheric chemistry driving their formation. This work focused on assessing the chemistry …

Over a decade of atmospheric mercury monitoring at Amsterdam Island in the French Southern and Antarctic Lands

O Magand, H Angot, Y Bertrand, JE Sonke, L Laffont… - Scientific Data, 2023 - nature.com
Abstract The Minamata Convention, a global and legally binding treaty that entered into
force in 2017, aims to protect human health and the environment from harmful mercury (Hg) …

Use of multiple lines of evidence to understand reactive mercury concentrations and chemistry in Hawai'i, Nevada, Maryland, and Utah, USA

A Luippold, MS Gustin… - Environmental …, 2020 - ACS Publications
To advance our understanding of the mercury (Hg) biogeochemical cycle, concentrations
and chemistry of gaseous oxidized Hg (GOM), particulate-bound Hg (PBM), and reactive Hg …

Fate of springtime atmospheric reactive mercury: concentrations and deposition at Zeppelin, Svalbard

S Osterwalder, SM Dunham-Cheatham… - ACS Earth and Space …, 2021 - ACS Publications
Mid-latitude atmospheric elemental mercury (Hg) emissions undergo extensive oxidation to
reactive Hg (RM) compounds during Arctic polar sunrise, resulting in enhanced atmospheric …

Exchange reactions alter molecular speciation of gaseous oxidized mercury

N Mao, A Khalizov - ACS Earth and Space Chemistry, 2021 - ACS Publications
The knowledge of speciation of gaseous oxidized mercury (GOM) is crucial for
understanding the atmospheric mercury chemistry and global cycle. Because of the low …