Fluxes of gaseous elemental mercury (GEM) in the High Arctic during atmospheric mercury depletion events (AMDEs) [PDF]
Atmospheric Chemistry and Physics, 2017 Abstract. Measurements of gaseous elemental mercury (GEM) fluxes over snow surfaces using a relaxed eddy accumulation (REA) system are carried out at the High Arctic site at the Villum Research Station, Station Nord, in North Greenland. Simultaneously, CO2 fluxes are determined using the eddy covariance (EC) technique.
J. Kamp +7 more
core +8 more sources
Pulsed corona discharge for oxidation of gaseous elemental mercury [PDF]
Applied Physics Letters, 2008 Positive pulsed corona discharge has been applied for the oxidation of gaseous elemental mercury (Hg0) from a simulated flue gas. The oxidation of Hg0 to HgO and HgCl2 can significantly enhance the mercury removal from flue gas. At a gas condition of O2 (10%), H2O (3%), and N2 (balance), Hg0 oxidation efficiency of 84% was achieved at an input energy ...
Ko, KB +7 more
core +6 more sources
Atmospheric Mercury Transfer to Peat Bogs Dominated by Gaseous Elemental Mercury Dry Deposition [PDF]
Environmental Science & Technology, 2016 Gaseous elemental mercury (GEM) is the dominant form of mercury in the atmosphere. Its conversion into oxidized gaseous and particulate forms is thought to drive atmospheric mercury wet deposition to terrestrial and aquatic ecosystems, where it can be subsequently transformed into toxic methylmercury.
Enrico, Maxime +7 more
openaire +6 more sources
Continental outflow shapes the circum-Antarctic pattern of summertime atmospheric mercury depletion zones [PDF]
Nature CommunicationsAtmospheric mercury depletion events (AMDEs) are a unique phenomenon in polar mercury cycling, involving intense atmospheric mercury oxidation and deposition that amplify marine mercury sinks.
Zhouqing Xie +7 more
doaj +2 more sources
Marine phytoplankton and sea-ice initiated convection drive spatiotemporal differences in Arctic summertime mercury rebound [PDF]
Nature CommunicationsGaseous elemental mercury (GEM) concentrations in the Arctic exhibit a distinct rebound during the summer months, with notable spatiotemporal variations observed in this phenomenon; however, the underlying mechanisms remain poorly understood.
Fange Yue +3 more
doaj +2 more sources
Primary Measurement of Gaseous Elemental Mercury Concentration with a Dynamic Range of Six Decades. [PDF]
Anal Chem, 2022 We present a primary method for absolute reference material-free measurement of gaseous elemental mercury mass concentration based on laser absorption spectroscopy at wavelengths near 254 nm and anchored to the international system of units.
Srivastava A, Hodges JT.
europepmc +2 more sources
Ecotoxicology and Environmental Safety, 2019 Gaseous elemental Hg is stable enough to be transported over long distances. Some of the most important sources of Hg in the atmosphere are artisanal gold mining activities and forest fires. Both of these sources are particularly prevalent in the Amazonia region. Information regarding the capacity of soils for retaining Hg transported by the atmosphere
Claudia C Windmöller
exaly +3 more sources
Passive Sampling of Gaseous Elemental Mercury Based on a Composite TiO₂NP/AuNP Layer. [PDF]
Nanomaterials (Basel), 2018 This is the Publisher's version/PDF of the manuscript "Passive Sampling of Gaseous Elemental Mercury Based on a Composite TiO2NP/AuNP Layer" finally published in NANOMATERIALS, Vol. 8(10), Pages.
Macagnano A +9 more
europepmc +2 more sources
Observed in-plume gaseous elemental mercury depletion suggests significant mercury scavenging by volcanic aerosols [PDF]
, 2023 Terrestrial volcanism is known to emit mercury (Hg) into the atmosphere. However, despite many years of investigation, its net impact on the atmospheric Hg budget remains insufficiently constrained, in part because the transformations of Hg in volcanic ...
Yuzo, Miyazaki +19 more
core +3 more sources
Gaseous elemental mercury depletion events observed at Cape Point during 2007–2008 [PDF]
Atmospheric Chemistry and Physics, 2010 Gaseous mercury in the marine boundary layer has been measured with a 15 min temporal resolution at the Global Atmosphere Watch station Cape Point since March 2007.
E.-G. Brunke +4 more
doaj +2 more sources