Can the MerPAS Passive Air Sampler Discriminate Landscape, Seasonal, and Elevation Effects on Atmospheric Mercury? A Feasibility Study in Mississippi, USA
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Site
2.2. Hg Passive Air Sampler
2.3. Deployment of PAS
2.4. Determination of Hg on the Sorbent and in the Soil and Sediment using a Direct Mercury Analyzer
2.5. Calculation of Atmospheric Hg Concentration
2.6. Statistical Analysis
3. Results and Discussion
3.1. Summary Statistics and Overall Trends
3.2. Wetland
3.3. Pond
3.4. Mowed Field
3.5. Forest
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
Appendix A
Parameter | Winter | Summer |
---|---|---|
Mean Temperature (°C) | 11.9 | 25.7 |
Mean Wind Speed (m/s) | 0.16 | 0.08 |
Accumulated Precipitation (mm) | 1.1 | 6.9 |
Landscape | Hg in Soil or Sediment (ng g−1, dry weight, n = 6) | Height (m) | Summer | Winter | ||
---|---|---|---|---|---|---|
Mean (n = 4) | Standard Error | Mean (n = 3) | Standard Error | |||
Wetland | 5.5 | 0.83 | 0.01 | 0.93 | 0.06 | |
45.5 ± 1.9 | 3.0 | 0.83 | 0.01 | 0.67 | 0.07 | |
0.5 | 0.65 | 0.03 | 0.62 | 0.04 | ||
Pond | 5.5 | 0.88 (n = 10) | 0.03 | 0.81 | 0.09 | |
Not Measured | 3.0 | 0.83 (n = 6) | 0.04 | 0.88 | 0.09 | |
0.5 | 0.83 (n = 8) | 0.03 | 0.77 | 0.11 | ||
Mowed Field | 5.5 | 0.91 | 0.03 | 1.03 | 0.10 | |
21.2 ± 0.6 | 3.0 | 0.85 (n = 7) | 0.06 | 0.86 | 0.10 | |
0.5 | 0.88 (n = 6) | 0.04 | 0.87 | 0.07 | ||
Forest | 5.5 | 0.75 | 0.01 | 0.87 | 0.07 | |
74.8 ± 2.8 | 3.0 | 0.77 | 0.03 | 0.97 | 0.09 | |
0.5 | 0.81 | 0.01 | 0.98 | 0.10 |
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Jeon, B.; Cizdziel, J.V. Can the MerPAS Passive Air Sampler Discriminate Landscape, Seasonal, and Elevation Effects on Atmospheric Mercury? A Feasibility Study in Mississippi, USA. Atmosphere 2019, 10, 617. https://doi.org/10.3390/atmos10100617
Jeon B, Cizdziel JV. Can the MerPAS Passive Air Sampler Discriminate Landscape, Seasonal, and Elevation Effects on Atmospheric Mercury? A Feasibility Study in Mississippi, USA. Atmosphere. 2019; 10(10):617. https://doi.org/10.3390/atmos10100617
Chicago/Turabian StyleJeon, Byunggwon, and James V. Cizdziel. 2019. "Can the MerPAS Passive Air Sampler Discriminate Landscape, Seasonal, and Elevation Effects on Atmospheric Mercury? A Feasibility Study in Mississippi, USA" Atmosphere 10, no. 10: 617. https://doi.org/10.3390/atmos10100617