M. R. Albert, Modeling heat, mass, and species transport in polar firn, Ann. Glaciol, vol.23, pp.138-143, 1996.

M. R. Albert, A. M. Grannas, J. Bottenheim, P. B. Shepson, P. et al., Processes and properties of snow-air transfer in the high Arctic with application to interstitial ozone at Alert, Canada, Atmos. Environ, vol.36, pp.2779-2787, 2002.

M. R. Albert and E. F. Shultz, Snow and firn properties and airsnow transport processes at Summit, Greenland, Atmos. Environ, vol.36, pp.2789-2797, 2002.

P. A. Ariya, A. P. Dastoor, M. Aymot, W. H. Schroeder, L. A. Barrie et al., The Artic, a sink for mercury, Tellus, vol.56, pp.397-403, 2004.

P. A. Ariya, A. Khalizov, and A. Gidas, Reactions of gaseous mercury with atomic and molecular halogens: kinetics, product studies, and atmospheric implications, J. Phys. Chem. A, vol.106, issue.32, pp.7310-7320, 2002.

K. Aspmo, P. A. Gauchard, A. Steffen, C. Temme, T. Berg et al., Measurements of atmospheric mercury species during an international study of mercury depletion events at Ny-Alesund, Svalbard, spring 2003. How reproducible are our present methods?, Atmos. Environ, vol.39, pp.7607-7619, 2005.
URL : https://hal.archives-ouvertes.fr/insu-00373731

S. S. Assonov, C. A. Brenninkmeijer, P. Jöckel, R. Mulvaney, S. Bernard et al., Evidence for a CO increase in the SH during the 20 th century based on firn air samples from Berkner Island, Atmos. Chem. Phys, vol.7, pp.295-308, 2007.
URL : https://hal.archives-ouvertes.fr/hal-00328478

M. Battle, M. L. Bender, T. Sowers, P. P. Tans, J. H. Butler et al., Atmospheric gas concentrations over the past century measured in air from firn at the South Pole, Nature, vol.383, pp.231-235, 1996.

H. Biester, R. Bindler, A. Martinez-cortizas, and D. R. Engstrom, Modeling the past atmospheric deposition of mercury using natural archives, Environ. Sci. Technol, vol.41, issue.14, pp.4851-4860, 2007.

C. F. Boutron, G. M. Vandal, W. F. Fitzgerald, C. P. Ferrari, S. Brooks et al., Antarctic polar plateau snow surface conversion of deposited oxidized mercury to gaseous elemental mercury with fractional long-term burial, Geophys. Res. Lett, vol.25, issue.17, pp.2877-2884, 1998.

J. H. Butler, M. Battle, M. L. Bender, S. A. Montzka, A. D. Clarke et al., A record of atmospheric halocarbons during the twentieth century from polar firn air, Nature, vol.399, pp.749-755, 1999.

J. E. Dibb, M. Albert, C. Anastasio, E. Atlas, A. J. Beyersdorf et al., An overview of air-snow exchange at Summit, Greenland: recent experiments and findings, Atmos. Environ, vol.41, issue.24, pp.4995-5006, 2007.

F. Dominé, M. Albert, T. Huthwelker, H. Jacobi, A. A. Kokhanovsky et al., Snow physics as relevant to snow photochemistry, Atmos. Chem. Phys, vol.8, pp.171-208, 2008.

A. Dommergue, E. Balhmann, R. Ebinghaus, C. Ferrari, and C. Boutron, Laboratory simulation of Hg ? emissions from a snowpack, Anal. Bioanal. Chem, vol.288, issue.2, pp.319-327, 2007.
URL : https://hal.archives-ouvertes.fr/insu-00376234

A. Dommergue, C. P. Ferrari, and C. F. Boutron, First investigation of an original device dedicated to the determination of gaseous mercury in interstitial air in snow, Anal. Bioanal. Chem, vol.375, pp.106-111, 2003.

A. Dommergue, C. P. Ferrari, L. Poissant, P. Gauchard, and C. F. Boutron, Diurnal cycles of gaseous mercury within the snowpack at Kuujjuarapik/Whapmagoostui, Environ. Sci. Technol, vol.37, issue.15, pp.3289-3297, 2003.

R. Ebinghaus, S. G. Jennings, W. H. Schroeder, T. Berg, T. Donaghy et al., International field intercomparison measurements of atmospheric mercury species at Mace Head, Atmos. Environ, vol.33, issue.18, pp.3063-3073, 1999.

R. Ebinghaus and F. Slemr, Aircraft measurements of atmospheric mercury over southern and eastern Germany, Atmos. Environ, vol.34, pp.895-903, 2000.

D. R. Engstrom and E. B. Swain, Recent Declines in Atmospheric Mercury Deposition in the Upper Midwest, Environ. Sci. Technol, vol.31, pp.960-967, 1997.

A. Fabre, J. Barnola, L. Arnaud, and J. Chappellaz, Determination of gas diffusivity in polar firn: comparison between experimental measurements and inverse modeling, Geophys. Res. Lett, vol.27, issue.4, pp.557-560, 2000.

X. Faïn, S. Grangeon, E. Balhmann, J. Fritsche, D. Obrist et al., Diurnal production of Gaseous Mercury in the alpine snowpack before snowmelt, J. Geophys. Res, vol.112, p.21311, 2007.

C. P. Ferrari, A. Dommergue, and C. F. Boutron, Profiles of Mercury in the snow pack at Station Nord, Greenland shortly after polar sunrise, Geophys. Res. Lett, vol.31, p.3401, 2004.

C. P. Ferrari, A. Dommergue, H. Skov, M. Goodsite, and C. F. Boutron, Nighttime production of elemental gaseous mercury in interstitial air of snow at Station, Atmos. Environ, vol.38, pp.2727-2735, 2004.

C. P. Ferrari, A. L. Moreau, C. F. Boutron, K. L. Foster, R. A. Plastridge et al., Clean conditions for the determination of ultra-low levels of mercury in ice and snow samples, Fresenius J. Anal. Chem, vol.366, pp.471-474, 2000.

E. S. Galbavy, C. Anastasio, B. L. Lefer, and S. Hall,

X. Faïn, Mercury in the snow and firn at Summit Station, Greenland Light penetration in the snowpack at Summit, Greenland: part 2 nitrate photolysis, Atmos. Environ, vol.41, issue.24, pp.5091-5100, 2007.

K. Gardfeldt and M. Jonsson, Is bimolecular reduction of Hg(II) complexes possible in aqueous systems of environmental importance, J. Phys. Chem. A, vol.107, pp.4478-4482, 2003.

M. E. Goodsite, J. M. Plane, and H. Skov, A Theoretical Study of the Oxidation of Hg ? to HgBr 2 in the Troposphere, Environ. Sci. Technol, vol.38, pp.1772-1776, 2004.

D. Helmig, F. Bocquet, L. Cohen, and S. J. Oltmans, Ozone uptake to the polar snowpack at Summit, Greenland, Atmos. Environ, vol.41, pp.5061-5076, 2007.

D. Helmig, S. J. Oltmans, D. Carlsona, J. Lamarque, A. Jones et al., A review of surface ozone in the polar regions, Atmos. Environ, vol.41, issue.24, pp.5138-5161, 2007.

J. D. Khal, D. A. Martinez, H. Kuhns, C. I. Davidson, J. Jaffrezo et al., Air mass trajectories to Summit, Greenland: a 44-year climatology and some episodic events, J. Geophys. Res, vol.102, issue.C12, pp.861-887, 1997.

J. D. Lalonde, M. Amyot, M. Doyon, and J. Auclair, Photo-induced Hg(II) reduction in snow from the remote and temperate Experimental Lake Area (Ontario, Canada), J. Geophys. Res, vol.108, issue.D6, p.4200, 2003.

J. D. Lalonde, A. J. Poulain, A. , and M. , The Role of Mercury Redox Reactions in Snow on Snow-to-Air Mercury Transfer, Environ, Sci. Technol, vol.36, issue.2, pp.174-178, 2002.

C. H. Lamborg, W. F. Fitzgerald, J. O'donnell, and T. Torgersen, A nonsteady-state compartemental model of global-scale mercury biogeochemistry with interhemispheric atmospheric gradients, Geochim. Cosmochim. Acta, vol.66, pp.1105-1118, 2002.

C. Lin and S. O. Pehkonen, The chemistry of atmospheric mercury: a review, Atmos. Environ, vol.33, pp.2067-2079, 1999.

O. Lindqvist and H. Rodhe, Atmospheric mercury-a review, Tellus, vol.37, pp.136-159, 1985.

J. L. Mann, S. E. Long, C. A. Shuman, and W. R. Kelly, Determination of mercury content in a shallow firn core from greenland by isotope dilution inductively coupled plasma mass spectrometry, Water Air Soil Poll, vol.163, pp.29-32, 2004.

P. Martinerie, D. Raynaud, D. M. Etheridge, J. Barnola, and D. Mazaudier, Physical and climatic parameters which influence the air content in polar ice, Earth Planet. Sci. Lett, vol.112, pp.1-13, 1992.

R. P. Mason, W. F. Fitzgerald, F. M. Morel, R. P. Mason, and G. Sheu, The biogeochemical cycling of elemental mercury : anthropogenic influences, Geochim. Cosmochim. Acta, vol.58, issue.15, p.1093, 1994.

W. J. Massman, Molecular diffusivities of Hg vapor in air, O 2 and N 2 near STP and the kinematic viscosity and thermal diffusivity of air near STP, Atmos. Environ, vol.33, pp.453-457, 1999.

S. A. Montzka, M. Aydin, M. Battle, J. H. Butler, E. S. Saltzman et al., A 350-year atmospheric history for carbonyl sulfide inferred from Antarctic firn air and air trapped in ice, J. Geophys. Res, vol.109, p.22302, 2004.

K. W. Oum, M. J. Lakin, and B. J. Finlayson-pitts, Bromine activation in the troposphere by the dark reaction of O 3 with seawater ice, Geophys. Res. Lett, vol.25, issue.21, pp.3929-3926, 1998.

M. C. Peterson and R. E. Honrath, Observations of rapid photochemical destruction of ozone in snowpack interstitial air, Geophys. Res. Lett, vol.28, issue.3, pp.511-514, 2001.

F. A. Planchon, P. Gabrielli, P. A. Gauchard, A. Dommergue, C. Barbante et al., Direct determination of mercury at the subpicogram per gram level in polar snow and ice by ICP-SFMS, J. Anal. Atom. Spectrom, vol.19, pp.823-830, 2004.

A. J. Poulain, J. D. Lalonde, M. Amyot, J. A. Shead, F. Raofie et al., Redox transformations of mercury in an Arctic snowpack at springtime, Atmos. Environ, vol.38, pp.6763-6774, 2004.

F. Raofie and P. A. Ariya, Product study of the gas-phase BrOinitiated oxidation of Hg-0: evidence for stable Hg1+ compounds, vol.38, pp.4319-4326, 2004.

V. Rommelaere, L. Arnaud, and J. Barnola, Reconstructing recent atmospheric trace gas concentrations from polar firn and bubbly ice data by inverse methods, J. Geophys. Res, vol.102, 1997.

W. H. Schroeder, K. G. Anlauf, L. A. Barrie, J. Y. Lu, A. Steffen et al., Arctic springtime depletion of mercury, Nature, vol.394, pp.331-332, 1998.

W. H. Schroeder, G. Keeler, H. Kock, P. Roussel, D. Schneeberger et al., International field intercomparison of atmospheric mercury measurement methods, Water Air Soil Poll, vol.80, pp.611-620, 1995.

P. F. Schuster, D. P. Krabbenhoft, D. L. Naftz, D. Cecil, L. Olson et al., Atmospheric Mercury Deposition during the Last 270 Years: A Glacial Ice Core Record of Natural and Anthropogenic Sources, Environ. Sci. Technol, vol.36, issue.11, pp.2303-2310, 2002.

J. Schwander, J. Barnola, C. Andrie, M. Leuenberger, A. Ludin et al., The age of the air in the firn and the ice at Summit, J. Geophys. Res, vol.98, pp.2831-2838, 1993.

J. Schwander, B. Stauffer, and A. Sigg, Air mixing in firn and the age of the air at pore close-off, Ann. Glaciol, vol.10, pp.141-145, 1988.

U. Siegenthaler, T. Stocker, E. Monnin, D. Lüthi, J. Schwander et al., Stable carbon cycle-climate relationship during the late pleistocene, Science, issue.5752, pp.1313-1317, 2005.
URL : https://hal.archives-ouvertes.fr/insu-00374945

S. J. Sjostedt, L. G. Huey, D. J. Tanner, J. Peischl, G. Chen et al., Observations of hydroxyl and the sum of peroxy radicals at Summit, Greenland during summer, Atmospheric Environment, vol.41, issue.24, pp.5122-5137, 2003.

H. Skov, J. Christensen, M. Goodsite, N. Z. Heidam, B. Jensen et al., Fate of Elemental Mercury in the Arctic during Atmospheric Mercury Depletion Episodes and the Load of Atmospheric Mercury to the Arctic, Environ. Sci. Technol, vol.38, pp.2373-2382, 2004.

A. Steffen, B. Schroeder, R. W. Macdonald, L. Poissant, and A. Konoplav, Mercury in the Arctic atmosphere: An analysis of eight years of measurements of GEM at Alert (Canada) and a comparison with observations at Amderma (Russia) and Kuujjuarapik (Canada), Sci. Total Environ, vol.342, pp.185-198, 2005.

A. Swanson, N. J. Blake, D. R. Blake, F. S. Rowland, J. E. Dibb et al., Are methyl halides produced on all ice surfaces? Observations from snow-laden field sites, Atmos. Environ, vol.41, issue.24, pp.5162-5177, 2007.

T. Tang and J. C. Mcconnell, Autocatalytic release of bromine from Arctic snowpack during polar sunrise, Geophys. Res. Lett, vol.23, pp.2633-2636, 1996.

J. A. Tossel, Calculation of the Energetics for Oxidation of Gas-Phase Elemental Hg by Br and BrO, J. Phys. Chem. A, vol.107, pp.7804-7808, 2003.

C. M. Trudinger, D. M. Etheridge, P. J. Rayner, I. G. Enting, G. A. Sturrock et al., Reconstructing atmospheric histories from measurements of air composition in firn, J. Geophys. Res, vol.107, issue.D24, p.4780, 2002.

S. G. Warren, R. E. Brandt, and T. C. Grenfell, Visible and nearultraviolet absorption spectrum of ice from transmission of solar radiation into snow, Appl. Opt, vol.45, issue.21, pp.5320-5334, 2006.