Articles | Volume 9, issue 2
https://doi.org/10.5194/amt-9-509-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/amt-9-509-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
15 Feb 2016
Research article |
| 15 Feb 2016
A dual-inlet, single detector relaxed eddy accumulation system for long-term measurement of mercury flux
S. Osterwalder
CORRESPONDING AUTHOR
Department of Environmental Sciences, University of Basel, Basel,
Switzerland
J. Fritsche
Department of Environmental Sciences, University of Basel, Basel,
Switzerland
C. Alewell
Department of Environmental Sciences, University of Basel, Basel,
Switzerland
M. Schmutz
Department of Environmental Sciences, University of Basel, Basel,
Switzerland
M. B. Nilsson
Department of Forest Ecology and Management, Swedish University of
Agricultural Sciences, Umeå, Sweden
G. Jocher
Department of Forest Ecology and Management, Swedish University of
Agricultural Sciences, Umeå, Sweden
J. Sommar
State Key Laboratory of Environmental Geochemistry, Chinese Academy of
Sciences, Guiyang, China
Department of Geosciences and Geography, University of Helsinki,
Helsinki, Finland
Finnish Meteorological Institute, Helsinki, Finland
K. Bishop
Department of Aquatic Sciences and Assessment, Swedish University of
Agricultural Sciences, Uppsala, Sweden
Department of Earth Sciences, University of Uppsala, Uppsala, Sweden
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Cited
25 citations as recorded by crossref.
- Ozone deposition measurements over wheat fields in the North China Plain: variability and related factors of deposition flux and velocity X. Zhang et al.
- Atomic spectrometry update – a review of advances in environmental analysis O. Butler et al.
- Eddy covariance flux measurements of gaseous elemental mercury over a grassland S. Osterwalder et al.
- Concurrently Measured Concentrations of Atmospheric Mercury in Indoor (household) and Outdoor Air of Basel, Switzerland L. Wohlgemuth et al.
- Global change effects on biogeochemical mercury cycling J. Sonke et al.
- The Multi-Compartment Hg Modeling and Analysis Project (MCHgMAP): mercury modeling to support international environmental policy A. Dastoor et al.
- Mercury evasion from a boreal peatland shortens the timeline for recovery from legacy pollution S. Osterwalder et al.
- Uncertainty in air-water mercury exchange flux measurements: A methodological review N. Sun et al.
- Choosing an optimal β factor for relaxed eddy accumulation applications across vegetated and non-vegetated surfaces T. Vogl et al.
- 14C-based separation of fossil and non-fossil CO2 fluxes in cities using relaxed eddy accumulation: results from tall-tower measurements in Zurich, Paris, and Munich A. Kunz et al.
- Stable Isotope Evidence Shows Re-emission of Elemental Mercury Vapor Occurring after Reductive Loss from Foliage W. Yuan et al.
- Critical Observations of Gaseous Elemental Mercury Air‐Sea Exchange S. Osterwalder et al.
- Recent advances in understanding and measurement of Hg in the environment: Surface-atmosphere exchange of gaseous elemental mercury (Hg0) J. Sommar et al.
- A synthesis of research needs for improving the understanding of atmospheric mercury cycling L. Zhang et al.
- Canopy-Level Flux and Vertical Gradients of Hg0 Stable Isotopes in Remote Evergreen Broadleaf Forest Show Year-Around Net Hg0 Deposition B. Wang et al.
- Over 100-fold improvement in the accuracy of relaxed eddy accumulation flux estimates through error diffusion A. Emad
- Gaseous mercury fluxes in peatlands and the potential influence of climate change K. Haynes et al.
- Comparing ecosystem gaseous elemental mercury fluxes over a deciduous and coniferous forest J. Zhou et al.
- Comparative study of elemental mercury flux measurement techniques over a Fennoscandian boreal peatland S. Osterwalder et al.
- Fluxes of gaseous elemental mercury (GEM) in the High Arctic during atmospheric mercury depletion events (AMDEs) J. Kamp et al.
- Global observations and modeling of atmosphere–surface exchange of elemental mercury: a critical review W. Zhu et al.
- Mercury deposition and redox transformation processes in peatland constrained by mercury stable isotopes C. Li et al.
- Comparison of PM10 emission flux of two fugitive area sources based on the real-time flux monitoring results S. Kim et al.
- Affordable relaxed eddy accumulation system to measure fluxes of H2O, CO2, CH4 and N2O from ecosystems A. Grelle & H. Keck
- The Kulbäcksliden Research Infrastructure: a unique setting for northern peatland studies K. Noumonvi et al.
25 citations as recorded by crossref.
- Ozone deposition measurements over wheat fields in the North China Plain: variability and related factors of deposition flux and velocity X. Zhang et al.
- Atomic spectrometry update – a review of advances in environmental analysis O. Butler et al.
- Eddy covariance flux measurements of gaseous elemental mercury over a grassland S. Osterwalder et al.
- Concurrently Measured Concentrations of Atmospheric Mercury in Indoor (household) and Outdoor Air of Basel, Switzerland L. Wohlgemuth et al.
- Global change effects on biogeochemical mercury cycling J. Sonke et al.
- The Multi-Compartment Hg Modeling and Analysis Project (MCHgMAP): mercury modeling to support international environmental policy A. Dastoor et al.
- Mercury evasion from a boreal peatland shortens the timeline for recovery from legacy pollution S. Osterwalder et al.
- Uncertainty in air-water mercury exchange flux measurements: A methodological review N. Sun et al.
- Choosing an optimal β factor for relaxed eddy accumulation applications across vegetated and non-vegetated surfaces T. Vogl et al.
- 14C-based separation of fossil and non-fossil CO2 fluxes in cities using relaxed eddy accumulation: results from tall-tower measurements in Zurich, Paris, and Munich A. Kunz et al.
- Stable Isotope Evidence Shows Re-emission of Elemental Mercury Vapor Occurring after Reductive Loss from Foliage W. Yuan et al.
- Critical Observations of Gaseous Elemental Mercury Air‐Sea Exchange S. Osterwalder et al.
- Recent advances in understanding and measurement of Hg in the environment: Surface-atmosphere exchange of gaseous elemental mercury (Hg0) J. Sommar et al.
- A synthesis of research needs for improving the understanding of atmospheric mercury cycling L. Zhang et al.
- Canopy-Level Flux and Vertical Gradients of Hg0 Stable Isotopes in Remote Evergreen Broadleaf Forest Show Year-Around Net Hg0 Deposition B. Wang et al.
- Over 100-fold improvement in the accuracy of relaxed eddy accumulation flux estimates through error diffusion A. Emad
- Gaseous mercury fluxes in peatlands and the potential influence of climate change K. Haynes et al.
- Comparing ecosystem gaseous elemental mercury fluxes over a deciduous and coniferous forest J. Zhou et al.
- Comparative study of elemental mercury flux measurement techniques over a Fennoscandian boreal peatland S. Osterwalder et al.
- Fluxes of gaseous elemental mercury (GEM) in the High Arctic during atmospheric mercury depletion events (AMDEs) J. Kamp et al.
- Global observations and modeling of atmosphere–surface exchange of elemental mercury: a critical review W. Zhu et al.
- Mercury deposition and redox transformation processes in peatland constrained by mercury stable isotopes C. Li et al.
- Comparison of PM10 emission flux of two fugitive area sources based on the real-time flux monitoring results S. Kim et al.
- Affordable relaxed eddy accumulation system to measure fluxes of H2O, CO2, CH4 and N2O from ecosystems A. Grelle & H. Keck
- The Kulbäcksliden Research Infrastructure: a unique setting for northern peatland studies K. Noumonvi et al.
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Discussed (final revised paper)
Latest update: 26 Apr 2026
Short summary
Human activities have increased mercury (Hg) cycling between land and atmosphere. To define landscapes as sinks or sources of Hg we have developed an advanced REA system for long-term measurements of gaseous elemental Hg exchange. It was tested in two contrasting environments: above Basel, Switzerland, and a peatland in Sweden. Both landscapes showed net Hg emission (15 and 3 ng m−2 h−1, respectively). The novel system will help to advance our understanding of Hg exchange on an ecosystem scale.
Human activities have increased mercury (Hg) cycling between land and atmosphere. To define...
