Articles | Volume 17, issue 3
Atmos. Chem. Phys., 17, 1689–1698, 2017
https://doi.org/10.5194/acp-17-1689-2017

Special issue: Data collection, analysis and application of speciated atmospheric...

Atmos. Chem. Phys., 17, 1689–1698, 2017
https://doi.org/10.5194/acp-17-1689-2017

Research article 03 Feb 2017

Research article | 03 Feb 2017

Deciphering potential chemical compounds of gaseous oxidized mercury in Florida, USA

Jiaoyan Huang et al.

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Cited articles

Ambrose, J. L., Lyman, S. N., Huang, J., Gustin, M. S., and Jaffe, D. A.: Fast Time Resolution Oxidized Mercury Measurements during the Reno Atmospheric Mercury Intercomparison Experiment (RAMIX), Environ. Sci. Technol., 47, 7285–7294, 2013.
Caffrey, J. M., Landing, W. M., Nolek, S. D., Gosnell, K. J., Bagui, S. S., and Bagui, S. C.: Atmospheric deposition of mercury and major ions to the Pensacola (Florida) watershed: spatial, seasonal, and inter-annual variability, Atmos. Chem. Phys., 10, 5425–5434, https://doi.org/10.5194/acp-10-5425-2010, 2010.
Castro, M. S., Moore, C., Sherwell, J., and Brooks, S. B.: Dry deposition of gaseous oxidized mercury in Western Maryland, Sci. Total Environ., 417–418, 232–240, 2012.
Deeds, D. A., Ghoshdastidar, A., Raofie, F., Guerette, E. A., Tessier, A., and Ariya, P. A.: Development of a Particle-Trap Preconcentration-Soft Ionization Mass Spectrometric Technique for the Quantification of Mercury Halides in Air, Anal. Chem., 87, 5109–5116, 2015.
Draxler, R.: What are the levels of uncertainty associated with back trajectory calculations in HYSPLIT, NOAA, 2013.
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Short summary
The highest mercury (Hg) wet deposition in USA occurs along the Gulf of Mexico. Gaseous oxidized Hg (GOM) is a major contributor due to high water solubility and reactivity. Concentration and dry deposition of GOM were determined for OLF, Florida. Results indicated at least 5 GOM compounds in this area including HgBr2, HgO, and Hg–nitrogen and –sulfur forms. GOM chemistry indicates reactions with local mobile source pollutants and long-range transport from outside of the USA.
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