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Author |
Wagnon P., Delmas R. & Legrand M. |
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Title |
Loss of volatile acid species from upper firn layers at Vostok. |
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Journal Article |
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Year |
1999 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
104 |
Issue  |
d3 |
Pages |
3423-3431 |
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280 |
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0148-0227 |
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yes |
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1941 |
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Author |
Drinkwater M.R., Long D.G. & Bingham A.W. |
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Title |
Greenland Snow Accumulation Estimates from Scatterometer Data,. |
Type |
Journal Article |
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Year |
2001 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
106 |
Issue |
d24 |
Pages |
33935-33950 |
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961 |
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0148-0227 |
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yes |
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Serial |
2308 |
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Author |
Jaffrezo J.L., Davidson C.I, Kuhns H.D., Bergin M.H., Hillamo R., Maenhaut W., Kahl J.W.D. & Harris N.R.P. |
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Title |
Biomass burning signatures in the atmosphere of central Greenland. |
Type |
Journal Article |
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Year |
1998 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
103 |
Issue |
d23 |
Pages |
31067-31078 |
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322 |
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0148-0227 |
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yes |
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273 |
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Author |
Ritz C., Rommelaere V. & Dumas C. |
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Title |
Modeling the evolution of Antarctic ice sheet over the last 420000 years: implications for altitude changes in the Vostok region. |
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Journal Article |
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Year |
2001 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
106 |
Issue |
d23 |
Pages |
31943-31964 |
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960 |
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0148-0227 |
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yes |
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Serial |
2205 |
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Author |
Basile I., Petit J.R., Touron S., Grousset F.E. & Barkov N.I. |
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Title |
Volcanic layers in Antarctic (Vostok) ice-cores : source identification and atmospheric implications. |
Type |
Journal Article |
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Year |
2001 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
106 |
Issue |
d23 |
Pages |
31915-31931 |
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902 |
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0148-0227 |
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yes |
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Serial |
2267 |
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Author |
Caillon N., Severinghaus J.P., Barnola J.M., Chappellaz J., Jouzel J. & Parrenin F. |
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Title |
Estimation of temperature change and of gas age – ice age difference, 108kyr BP, at Vostok, Antarctica. |
Type |
Journal Article |
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Year |
2001 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
106 |
Issue |
d23 |
Pages |
31893-31902 |
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902 |
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0148-0227 |
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yes |
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Serial |
2269 |
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Author |
Parrenin F., Jouzel J., Waelbroeck C., Ritz C. & Barnola J.M. |
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Title |
Dating the Vostok ice core by an inverse method. |
Type |
Journal Article |
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Year |
2001 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
106 |
Issue |
d23 |
Pages |
31837-31851 |
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902 |
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0148-0227 |
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yes |
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Call Number |
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Serial |
2272 |
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Author |
Pepin L., Raynaud D., Barnola J.M.. & Loutre M.F. |
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Title |
Hemispheric roles of climate forcings during glacial-interglacial transitions, as decuced from the Vostok record and LLN-2D model experiments. |
Type |
Journal Article |
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Year |
2001 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
106 |
Issue |
d23 |
Pages |
31885-31892 |
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902 |
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0148-0227 |
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Serial |
2273 |
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Author |
Vimeux F., Masson V., Delaygue G., Jouzel J., Petit J.R. , Stievenard M., Vaikmae R. & White J.W.C. |
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Title |
A 420,000 year deuterium excess record from East Antarctica : Information on past changes in the origin of precipitation at Vostok. |
Type |
Journal Article |
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Year |
2001 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
106 |
Issue |
d23 |
Pages |
31863-31873 |
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902 |
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0148-0227 |
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yes |
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Serial |
2277 |
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Author |
Hezel P J, Alexander B, Bitz C M, Steig E J, Holmes C D, Yang X, Sciare J, |
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Title |
Modeled methanesulfonic acid (MSA) deposition in Antarctica and its relationship to sea ice
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Type |
Journal Article |
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Year |
2011 |
Publication |
Journal of Geophysical Research: Atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
116 |
Issue |
D23 |
Pages |
D23214- |
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Keywords |
DMS, MSA, dimethylsulfide, ice core, methanesulfonic acid, sea ice, 0368 Troposphere: constituent transport and chemistry, 0750 Sea ice, 0793 Biogeochemistry, 3344 Paleoclimatology, |
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Abstract |
Methanesulfonic acid (MSA) has previously been measured in ice cores in Antarctica as a proxy for sea ice extent and Southern Hemisphere circulation. In a series of chemical transport model (GEOS-Chem) sensitivity experiments, we identify mechanisms that control the MSA concentrations recorded in ice cores. Sea ice is linked to MSA via dimethylsulfide (DMS), which is produced biologically in the surface ocean and known to be particularly concentrated in the sea ice zone. Given existing ocean surface DMS concentration data sets, the model does not demonstrate a strong relationship between sea ice and MSA deposition in Antarctica. The variability of DMS emissions associated with sea ice extent is small (1130%) due to the small interannual variability of sea ice extent. Wind plays a role in the variability in DMS emissions, but its contribution relative to that of sea ice is strongly dependent on the assumed DMS concentrations in the sea ice zone. Atmospheric sulfur emitted as DMS from the sea ice undergoes net transport northward. Our model runs suggest that DMS emissions from the sea ice zone may account for 2662% of MSA deposition at the Antarctic coast and 3695% in inland Antarctica. Though our results are sensitive to model assumptions, it is clear that an improved understanding of both DMS concentrations and emissions from the sea ice zone are required to better assess the impact of sea ice variability on MSA deposition to Antarctica.
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2156-2202 |
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911 |
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