Mass-independent fractionation of mercury isotopes in Arctic snow driven by sunlight

Nature Geoscience

Volumn 3, Issue 3, 2010, Pages 173-177

  Sherman, Laura S ^a   Blum, Joel D ^a   Johnson, Kelsey P ^a   Keeler, Gerald J ^a   Barres, James A ^a   Douglas, Thomas A ^b  

^a UNIVERSITY OF MICHIGAN   (United States)

^b Engineering Research and Development Center   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC DEPOSITION; BOUNDARY LAYER; FLUX CHAMBER; ISOTOPIC COMPOSITION; ISOTOPIC FRACTIONATION; MERCURY (ELEMENT); PHOTOCHEMISTRY; SNOW; SNOWMELT; SNOWPACK; SOLAR RADIATION;

ALASKA; BARROW; UNITED STATES;

EID: 77950501723     PISSN: 17520894     EISSN: 17520908     Source Type: Journal    
DOI: 10.1038/ngeo758     Document Type: Article

References (30)

1. Lindberg, S. E. et al. Dynamic oxidation of gaseous mercury in the troposphere at polar sunrise. Environ. Sci. Technol. 36, 1245-1256 (2002).
2. Steffen, A., Schroeder, W., Macdonald, R., Poissant, L. & Konoplev, A. Mercury in the Arctic atmosphere: An analysis of eight years of measurements on GEM at Alert (Canada) and a comparison with observations at Amderma (Russia) and Kuujjuarapik (Canada). Sci. Total Environ. 342, 185-198 (2005). (Pubitemid 40615293)
3. Lalonde, J., Poulain, A. J. & Amyot, M. The role of mercury redox reactions in snow on snow-to-air mercury transfer. Environ. Sci. Technol. 36, 174-178 (2002). (Pubitemid 34072622)
4. Poulain, A. J. et al. Redox transformations of mercury in an Arctic snowpack at springtime. Atmos. Environ. 38, 6763-6774 (2004).
5. Steffen, A., Schroeder, W., Bottenheim, J., Narayan, J. & Fuentes, J. D. Atmospheric mercury concentrations: Measurements and profiles near snow and ice surfaces in the Canadian Arctic during Alert 2000. Atmos. Environ. 36, 2653-2661 (2002). (Pubitemid 34628358)
6. Kirk, J. L., St Louis, V. L. & Sharp, M. J. Rapid reduction and reemission of mercury deposited into snowpacks during atmospheric mercury depletion events at Churchill, Manitoba, Canada. Environ. Sci. Technol. 40, 7590-7596 (2006).
7. Dommergue, A., Ferrari, C. P., Gauchard, P.-A. & Boutron, C. F. The fate of mercury species in a sub-arctic snowpack during snowmelt. Geophys. Res. Lett. 30, 1621-1624 (2003).
8. St Louis, V. L. et al. Methylated mercury species in Canadian high arctic marine surface waters and snowpacks. Environ. Sci. Technol. 41, 6433-6441 (2007).
9. Zheng, W., Foucher, D. & Hintelmann, H. Mercury isotope fractionation during volatilization of Hg(0) from solution into the gas phase. J. Anal. At. Spectrom. 22, 1097-1104 (2007). (Pubitemid 47311272)
10. Sherman, L. S. et al. Mercury isotopic composition of hydrothermal systems in the Yellowstone Plateau volcanic field and Guaymas Basin sea-floor rift. Earth. Planet. Sci. Lett. 279, 86-96 (2009).
11. Kritee, K., Blum, J. D., Johnson, M. W., Bergquist, B. A. & Barkay, T. Mercury stable isotope fractionation during reduction of Hg(ii) to Hg(0) by mercury resistant microorganisms. Environ. Sci. Technol. 41, 1889-1895 (2007). (Pubitemid 46449217)
12. Blum, J. D. & Bergquist, B. A. Reporting the variations in the natural isotopic composition of mercury. Anal. Bioanal. Chem. 388, 353-359 (2007). (Pubitemid 46675974)
13. Bergquist, B. A. & Blum, J. D. Mass-dependent and mass-independent fractionation of Hg isotopes by photo-reduction in aquatic systems. Science 318, 417-420 (2007).
14. Biswas, A., Blum, J. D., Bergquist, B. A., Keeler, G. J. & Zhouqing, X. Natural mercury isotope variation in coal deposits and organic soils. Environ. Sci. Technol. 42, 8303-8309 (2008).
15. Ghosh, S., Xu, Y., Humayun, M. & Odom, L. Mass-independent fractionation of mercury isotopes in the environment. Geochem. Geophys. Geosyst. 9, Q03004 (2008).
16. Hintelmann, H., Foucher, D., Telmer, K., Zheng, J. & Yamada, M. Hg isotope fractionation in sediment cores. Geochim. Cosmochim. Acta 72, A379 (2008).
17. Jackson, T. A., Whittle, D. M., Evans, M. S. & Muir, D. C. G. Evidence for mass-independent and mass-dependent fractionation of the stable isotopes of mercury by natural processes in aquatic ecosystems. Appl. Geochem. 23, 547-571 (2008).
18. Schauble, E. A. Role of nuclear volume in driving equilibrium stable isotope fractionation of mercury, thallium, and other very heavy elements. Geochim. Cosmochim. Acta 71, 2170-2189 (2007).
19. Bigeleisen, J. Nuclear size and shape effects in chemical reactions. Isotope chemistry of the heavy elements. J. Am. Chem. Soc. 118, 3676-3680 (1996). (Pubitemid 26160400)
20. Buchachenko, A. L. Magnetic isotope effect: Nuclear spin control of chemical reactions. J. Phys. Chem. 105, 9995-10011 (2001).
21. Johnson, K. P., Blum, J. D., Keeler, G. J. & Douglas, T. A. Investigation of the deposition and emission of mercury in arctic snow during an atmospheric mercury depletion event. J. Geophys. Res. 113, D17304 (2008).
22. Lu, J. Y., Schroeder, W. H., Barrie, L. A. & Steffen, A. Magnification of atmospheric mercury deposition to polar regions in springtime: The link to tropospheric ozone depletion chemistry. Geophys. Res. Lett. 28, 3219-3222 (2001). (Pubitemid 32931853)
23. Tackett, P. J. et al. A study of the vertical scale of halogen chemistry in the Arctic troposphere during Polar Sunrise at Barrow, Alaska. J. Geophys. Res. 112, D07306 (2007).
24. Banic, C. M. et al. Vertical distribution of gaseous elemental mercury in Canada. J. Geophys. Res. 108, 4264-4277 (2003).
25. Douglas, T. A. et al. Influence of snow and ice crystal formation and accumulation on mercury deposition to the arctic. Environ. Sci. Technol. 42, 1542-1551 (2008).
26. Carignan, J., Estrade, N., Sonke, J. E. & Donard, O. F. X. Odd isotope deficits in atmospheric Hg measured in lichens. Environ. Sci. Technol. 43, 5660-5664 (2009).
27. Lalonde, J. D., Amyot, M., Doyon, M.-R. & Auclair, J.-C. Photo-induced Hg(ii) reduction in snow from the remote and temperate experimental Lakes area (Ontario, Canada). J. Geophys. Res. 108, 4200-4207 (2003).
28. Estrade, N., Carignan, J., Sonke, J. E. & Donard, O. F. X. Mercury isotope fractionation during liquid-vapour evaporation experiments. Geochim. Cosmochim. Acta 73, 2693-2711 (2009).
29. Ferrari, C. P. et al. Snow-to-air exchanges of mercury in an Arctic seasonal snow pack in Ny-Alesund, Svalbard. Atmos. Environ. 39, 7633-7645 (2005).
30. King, M. D. & Simpson, W. R. Extinction of ultraviolet radiation in Arctic snow at Alert, Canada (82- N). J. Geophys. Res. 106, 12499-12507 (2001). (Pubitemid 32680011)