Arctic mercury cycling

A Dastoor, H Angot, J Bieser, JH Christensen… - Nature Reviews Earth & …, 2022 - nature.com
Anthropogenic mercury (Hg) emissions have driven marked increases in Arctic Hg levels,
which are now being impacted by regional warming, with uncertain ecological …

Mercury physicochemical and biogeochemical transformation in the atmosphere and at atmospheric interfaces: A review and future directions

PA Ariya, M Amyot, A Dastoor, D Deeds… - Chemical …, 2015 - ACS Publications
Mercury is a fascinating fluid metal that exists as liquid at 25 C (0 C= 273 K). This silver
colored d-block heavy metal exhibits noble-gas-like characteristics and solidifies at a …

Atmospheric mercury concentrations observed at ground-based monitoring sites globally distributed in the framework of the GMOS network

F Sprovieri, N Pirrone, M Bencardino… - Atmospheric …, 2016 - acp.copernicus.org
Long-term monitoring of data of ambient mercury (Hg) on a global scale to assess its
emission, transport, atmospheric chemistry, and deposition processes is vital to …

A synthesis of atmospheric mercury depletion event chemistry in the atmosphere and snow

A Steffen, T Douglas, M Amyot, P Ariya… - Atmospheric …, 2008 - acp.copernicus.org
It was discovered in 1995 that, during the spring time, unexpectedly low concentrations of
gaseous elemental mercury (GEM) occurred in the Arctic air. This was surprising for a …

World emissions of mercury from artisanal and small scale gold mining

KH Telmer, MM Veiga - Mercury fate and transport in the global …, 2009 - Springer
We estimate mercury releases from artisanal and small scale gold mining (ASGM) based on
available data about mercury and gold exports and imports by country and from field reports …

Mercury in the southern ocean

D Cossa, LE Heimbürger, D Lannuzel… - … et Cosmochimica Acta, 2011 - Elsevier
We present here the first mercury speciation study in the water column of the Southern
Ocean, using a high-resolution south-to-north section (27 stations from 65.50° S to 44.00° S) …

Mass-independent fractionation of mercury isotopes in Arctic snow driven by sunlight

LS Sherman, JD Blum, KP Johnson, GJ Keeler… - Nature …, 2010 - nature.com
After polar sunrise in the Arctic, sunlight-induced reactions convert gaseous elemental
mercury into compounds that are rapidly deposited to the snowpack. These atmospheric …

Atmospheric mercury depositional chronology reconstructed from lake sediments and ice core in the Himalayas and Tibetan Plateau

S Kang, J Huang, F Wang, Q Zhang… - … science & technology, 2016 - ACS Publications
Alpine lake sediments and glacier ice cores retrieved from high mountain regions can
provide long-term records of atmospheric deposition of anthropogenic contaminants such as …

New constraints on terrestrial surface–atmosphere fluxes of gaseous elemental mercury using a global database

Y Agnan, T Le Dantec, CW Moore… - … science & technology, 2016 - ACS Publications
Despite 30 years of study, gaseous elemental mercury (Hg0) exchange magnitude and
controls between terrestrial surfaces and the atmosphere still remain uncertain. We …

Riverine source of Arctic Ocean mercury inferred from atmospheric observations

JA Fisher, DJ Jacob, AL Soerensen, HM Amos… - Nature …, 2012 - nature.com
Methylmercury is a potent neurotoxin that accumulates in aquatic food webs. Human
activities, including industry and mining, have increased inorganic mercury inputs to …