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Goutail F., Pommereau J.P., Phillips C., Deniel C., Sarkissian A., Lefevre F., Kyro E., Rummukainen M., Ericksen P., Andsersen S.B.,et al. |
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Title |
Depletion of column ozone in the Arctic during the winters of 1993-94 and 1994-95. |
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Journal Article |
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1999 |
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Journal of atmospheric chemistry |
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32 |
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904 |
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0167-7764 |
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2285 |
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Lantos P. & Fuller N. |
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Title |
Improving use of semi-empirical models to calculate doses received on board airplane. |
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Journal Article |
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Year |
2004 |
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IEEE Proceedings on Plasma Science |
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32 |
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1468-1477 |
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227 |
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2626 |
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Simpson, W.R.; Alvarez-Aviles, L.; Douglas, T.A.; Sturm, M.; Domine, F. |
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Title |
Halogens in the coastal snow pack near Barrow, Alaska: Evidence for active bromine air-snow chemistry during springtime |
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Journal Article |
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Year |
2005 |
Publication |
Geophysical research letters |
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32 |
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0312 Atmospheric Composition and Structure: Air/sea constituent fluxes; 0330 Atmospheric Composition and Structure: Geochemical cycles; 0365 Atmospheric Composition and Structure: Troposphere: composition and chemistry; 0368 Atmospheric Composition and Structure: Troposphere: constituent transport and chemistry; 1863 Hydrology: Snow and ice |
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Abstract |
We measured halide concentrations of snow and frost flowers in the vicinity of Barrow, Alaska. We find that the ratio of bromide to sodium in frost flowers is slightly enhanced (?10%) as compared to sea water. In contrast, the ratio of bromide to sodium in some snow samples is more than an order of magnitude enhanced, and in other samples is more than an order of magnitude depleted. We interpret the bromide depleted snow as having been processed by heterogeneous chemistry and providing reactive halogen compounds to the atmosphere. The eventual end product of reactive bromine chemistry is HBr that is then deposited over a wide region, enhancing bromide in inland snow samples. Although frost flowers or open leads are likely to be the original source of halides that become reactive halogen gases, we find that the bromide release often occurs subsequent to production of aerosol from marine sources. |
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437 |
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American Geophysical Union |
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0094-8276 |
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Call Number |
IPEV @ Thierry.Lemaire @ |
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5598 |
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Author |
Ostroumov V., Hoover R., Ostroumova N., Van Vliet-Lanoë B., Siegert C.H. & Sorokovik |
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Title |
Redistribution of soluble components during ice segregation in freezing ground. |
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Journal Article |
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Year |
2001 |
Publication |
Cold regions science and technology |
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Volume |
32 |
Issue |
2-3 |
Pages |
175-182 |
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442 |
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0165-232X |
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2751 |
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Domine, F.; Taillandier, A.S.; Simpson, W.R.; Severin, K. |
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Title |
Specific surface area, density and microstructure of frost flowers |
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Journal Article |
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Year |
2005 |
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Geophysical research letters |
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32 |
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Keywords |
0736 Cryosphere: Snow; 0750 Cryosphere: Sea ice; 0754 Cryosphere: Leads |
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Abstract |
Frost flowers often grow on new sea ice. They are thought to have a high specific surface area (SSA) that provides sites for heterogeneous reactions. We have measured the SSA of frost flowers using CH4 adsorption at 77 K and obtained a value of 185 (+80 ?50) cm2/g, much lower than inferred by others. Their density is 0.02 g/cm3. We calculate that the total surface area of frost flowers is 1.4 m2 per m2 of ice surface, so that they do not increase the ice surface area significantly. Their role as sites for enhanced heterogeneous reactions should be reconsidered. Frost flowers also commonly grow on fresh water and the saline brine seen on young sea ice is not necessary for their growth. Photo- and electro-micrographs reveal hollow and concave structures, typical of very fast growing crystals. The brine that wicks up frost flowers considerably perturbs their growth. |
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437 |
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American Geophysical Union |
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0094-8276 |
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yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
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5633 |
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Beine, H. J.; Amoroso, A.; Esposito, G.; Sparapani, R.; Ianniello, A.; Georgiadis, T.; Nardino, M.; Bonasoni, P.; Cristofanelli, P.; Domine, F. |
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Title |
Deposition of atmospheric nitrous acid on alkaline snow surfaces |
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Journal Article |
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Year |
2005 |
Publication |
Geophysical research letters |
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Volume |
32 |
Issue |
10 |
Pages |
L10808 |
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437 |
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0094-8276 |
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3149 |
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Irie, H.; Sudo, K.; Akimoto, H.; Richter, A.; Burrows, J-P.; Wagner, T.; Wenig, M.; Beirle, S.; Kondo, Y.; Sinyakov, V-P. and Goutail, F |
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Title |
Evaluation of long-term tropospheric NO2 data obtained by GOME over East Asia in 19962002 |
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Journal Article |
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Year |
2005 |
Publication |
Geophysical research letters |
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Volume |
32 |
Issue |
11 |
Pages |
L11810 |
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904 |
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0094-8276 |
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3227 |
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Author |
Sturm, P., M. Leuenberger, and M. Schmidt |
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Title |
Atmospheric O-2, CO2 and delta C-13 observations from the remote sites Jungfraujoch, Switzerland, and Puy de Dome, France, |
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Journal Article |
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Year |
2005 |
Publication |
Geophysical research letters |
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Volume |
32 |
Issue |
17 |
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439 |
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0094-8276 |
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4178 |
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Author |
Moteki M., Koubbi P., Pruvost P., Tavenier E. |
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Title |
Larvae and juveniles of the plunderfishes Artedidraco shackletoni and Artedidraco skottsbergi (Notothenioidei, Artedidraconidae) from the Indian sector of the Southern Ocean |
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Journal Article |
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Year |
2009 |
Publication |
Polar biology |
Abbreviated Journal |
Polar Biol. |
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32 |
Issue |
1 |
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123-128 |
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1142 |
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0722-4060 |
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4962 |
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Author |
Van de Vijver B., Gremmen N.J.M. & Beyens L. |
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Title |
The genus Stauroneis (Bacillariophyceae) in the Antarctic region. |
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Journal Article |
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Year |
2005 |
Publication |
Journal of biogeography |
Abbreviated Journal |
J. Biogeogr. |
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32 |
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Pages |
1791-1798 |
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136 |
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0305-0270 |
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5223 |
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