Articles | Volume 13, issue 4
https://doi.org/10.5194/amt-13-2057-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-13-2057-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
22 Apr 2020
Research article |
| 22 Apr 2020
| 22 Apr 2020
Eddy covariance flux measurements of gaseous elemental mercury over a grassland
Stefan Osterwalder
CORRESPONDING AUTHOR
Environmental Geosciences, University of Basel, 4056 Basel,
Switzerland
Institut des Géosciences de l'Environnement, Université
Grenoble Alpes, CNRS, IRD, Grenoble INP, 38000 Grenoble, France
Werner Eugster
Institute of Agricultural Sciences, ETH Zurich, 8092 Zurich,
Switzerland
Iris Feigenwinter
Institute of Agricultural Sciences, ETH Zurich, 8092 Zurich,
Switzerland
Environmental Geosciences, University of Basel, 4056 Basel,
Switzerland
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Cited
14 citations as recorded by crossref.
- Spatial and seasonal dynamics of gaseous elemental mercury concentrations over Switzerland observed by a passive air sampler network S. Osterwalder et al. 10.1039/D4EA00052H
- The Multi-Compartment Hg Modeling and Analysis Project (MCHgMAP): mercury modeling to support international environmental policy A. Dastoor et al. 10.5194/gmd-18-2747-2025
- The Kulbäcksliden Research Infrastructure: a unique setting for northern peatland studies K. Noumonvi et al. 10.3389/feart.2023.1194749
- Uptake of Gaseous Elemental Mercury by a Rainforest: Insights from a Tropical Glasshouse Used as a Dynamic Flux Chamber B. Denzler et al. 10.1021/acs.est.5c05823
- Critical Observations of Gaseous Elemental Mercury Air‐Sea Exchange S. Osterwalder et al. 10.1029/2020GB006742
- Air Mercury Monitoring at the Baikal Area N. Mashyanov et al. 10.3390/atmos12070807
- Atmospheric mercury: recent advances in theoretical, computational, experimental, observational, and isotopic understanding to decipher its redox transformations in the upper and lower atmosphere and interactions with Earth surface reservoirs J. Sommar et al. 10.5194/acp-25-12233-2025
- Seasonal gaseous elemental mercury fluxes at a terrestrial background site in south-eastern Australia K. MacSween et al. 10.1525/elementa.423
- Isotopic Characterization of Mercury Atmosphere–Foliage and Atmosphere–Soil Exchange in a Swiss Subalpine Coniferous Forest C. Chen et al. 10.1021/acs.est.3c03576
- An open-path ammonia analyzer for eddy covariance flux measurement K. Wang et al. 10.1016/j.agrformet.2021.108570
- Total mercury accumulation in aboveground parts of maize plants (Zea mays) throughout a growing season E. Glauser et al. 10.1080/17429145.2022.2028914
- Interannual, summer, and diel variability of CH4and CO2effluxes from Toolik Lake, Alaska, during the ice-free periods 2010–2015 W. Eugster et al. 10.1039/D0EM00125B
- A quality control method based on physical constraints and data-driven collaborative artificial intelligence for wind observations along high-speed railway lines X. Xiong et al. 10.5194/amt-18-737-2025
- Can the MerPAS Passive Air Sampler Discriminate Landscape, Seasonal, and Elevation Effects on Atmospheric Mercury? A Feasibility Study in Mississippi, USA B. Jeon & J. Cizdziel 10.3390/atmos10100617
13 citations as recorded by crossref.
- Spatial and seasonal dynamics of gaseous elemental mercury concentrations over Switzerland observed by a passive air sampler network S. Osterwalder et al. 10.1039/D4EA00052H
- The Multi-Compartment Hg Modeling and Analysis Project (MCHgMAP): mercury modeling to support international environmental policy A. Dastoor et al. 10.5194/gmd-18-2747-2025
- The Kulbäcksliden Research Infrastructure: a unique setting for northern peatland studies K. Noumonvi et al. 10.3389/feart.2023.1194749
- Uptake of Gaseous Elemental Mercury by a Rainforest: Insights from a Tropical Glasshouse Used as a Dynamic Flux Chamber B. Denzler et al. 10.1021/acs.est.5c05823
- Critical Observations of Gaseous Elemental Mercury Air‐Sea Exchange S. Osterwalder et al. 10.1029/2020GB006742
- Air Mercury Monitoring at the Baikal Area N. Mashyanov et al. 10.3390/atmos12070807
- Atmospheric mercury: recent advances in theoretical, computational, experimental, observational, and isotopic understanding to decipher its redox transformations in the upper and lower atmosphere and interactions with Earth surface reservoirs J. Sommar et al. 10.5194/acp-25-12233-2025
- Seasonal gaseous elemental mercury fluxes at a terrestrial background site in south-eastern Australia K. MacSween et al. 10.1525/elementa.423
- Isotopic Characterization of Mercury Atmosphere–Foliage and Atmosphere–Soil Exchange in a Swiss Subalpine Coniferous Forest C. Chen et al. 10.1021/acs.est.3c03576
- An open-path ammonia analyzer for eddy covariance flux measurement K. Wang et al. 10.1016/j.agrformet.2021.108570
- Total mercury accumulation in aboveground parts of maize plants (Zea mays) throughout a growing season E. Glauser et al. 10.1080/17429145.2022.2028914
- Interannual, summer, and diel variability of CH4and CO2effluxes from Toolik Lake, Alaska, during the ice-free periods 2010–2015 W. Eugster et al. 10.1039/D0EM00125B
- A quality control method based on physical constraints and data-driven collaborative artificial intelligence for wind observations along high-speed railway lines X. Xiong et al. 10.5194/amt-18-737-2025
Latest update: 20 Oct 2025
Short summary
Direct mercury (Hg) flux studies are crucial to improve our understanding of terrestrial Hg cycling and human Hg exposure. We tested a new system to measure Hg fluxes using the eddy covariance technique. Our Eddy Mercury system revealed a net Hg re-emission flux from a grassland. We concluded that the prevailing dry conditions resulted in low uptake of CO2 and Hg. Eddy Mercury has the potential to address some of the largest uncertainties in global Hg cycling through long-term flux measurements.
Direct mercury (Hg) flux studies are crucial to improve our understanding of terrestrial Hg...
