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Vogel, N., Dommergue, A., Ferrari, C., Preunkert, S., Jourdain, B., Legrand, M. |
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Title |
What can we learn from atmospheric Mercury monitoring in coastal Antarctica (DDU) ? |
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Conference - International - Communication |
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2011 |
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The 10th International Conference on Mercury as a Global Pollutant (ICMGP),Halifax (Canada), 24-29 July |
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1028 |
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3362 |
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Author |
Magand O, Dommergue A |
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2011 |
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1028 |
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3576 |
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Title |
THE ANTARCTIC PLATEAU BOUNDARY LAYER : A GIANT SOURCE AND SINK FOR GASEOUS ELEMENTAL HG |
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Conference - International - Communication |
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Year |
2011 |
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Abstract |
The 10th International Conference on Mercury as a Global Pollutant (ICMGP), Halifax (Canada), 24-29 July |
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1028 |
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3733 |
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Author |
Vogel, N., Dommergue, A., Ferrari, C., Preunkert, S., Jourdain, B., Legrand, M. |
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Conference - International - Poster |
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Year |
2011 |
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The 10th International Conference on Mercury as a Global Pollutant (ICMGP),Halifax (Canada), 24-29 July |
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1028 |
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yes |
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3734 |
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Author |
M. Barret, A. Dommergue, C.P. Ferrari, O. Magand |
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Conference - International - Article with Reading Comitee |
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Year |
2012 |
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The International Conference on Heavy Metals in the Environment (ICHMET) |
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1028 |
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yes |
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4166 |
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Author |
Monitoring of gaseous elemental mercury in central Antarctica at Dome Concordia |
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Title |
A. Dommergue, C.P. Ferrari, O. Magand, M. Barret, L. Gratz, N.Pirrone, F. Sprovieri |
Type |
Conference - International - Article with Reading Comitee |
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Year |
2012 |
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Abstract |
The International Conference on Heavy Metals in the Environment (ICHMET) |
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1028 |
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yes |
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4169 |
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Author |
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Title |
A. Dommergue, N. Vogel, C.P. Ferrari, O. Magand, M. Barret
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Type |
Conference - International - Article with Reading Comitee |
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Year |
2012 |
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Abbreviated Journal |
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Abstract |
The International Conference on Heavy Metals in the Environment (ICHMET) |
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1028 |
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yes |
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4171 |
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Title |
Dynamic recycling of gaseous elemental mercury in the boundary layer of the Antarctic Plateau
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Journal Article |
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Year |
2012 |
Publication |
Atmos. Chem. Phys. |
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Volume |
12 |
Issue |
22 |
Pages |
11027-11036 |
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Abstract |
Gaseous elemental mercury (Hg0) was investigated in the troposphere and in the interstitial air extracted from the snow at Dome Concordia station (alt. 3320 m) on the Antarctic Plateau during January 2009. Measurements and modeling studies showed evidence of a very dynamic and daily cycling of Hg0 inside the mixing layer with a range of values from 0.2 ng m−3 up to 2.3 ng m−3. During low solar irradiation periods, fast Hg0 oxidation processes in a confined layer were suspected. Unexpectedly high Hg0 concentrations for such a remote place were measured under higher solar irradiation due to snow photochemistry. We suggest that a daily cycling of reemission/oxidation occurs during summer within the mixing layer at Dome Concordia. Hg0 concentrations showed a negative correlation with ozone mixing ratios, which contrasts with atmospheric mercury depletion events observed during the Arctic spring. Unlike previous Antarctic studies, we think that atmospheric Hg0 removal may not be the result of advection processes. The daily and dramatic Hg0 losses could be a consequence of surface or snow induced oxidation pathways. It remains however unclear whether halogens are involved. The cycling of other oxidants should be investigated together with Hg species in order to clarify the complex reactivity on the Antarctic plateau. |
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1028 |
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Copernicus Publications |
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1680-7324 |
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yes |
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Serial |
4172 |
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Author |
Helmig, D., Mass, A., Hueber, J., Fain, X., Dommergue, A., Barbero, A., Savarino, J. |
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Title |
Snowpack Chemistry of Reactive Gases at Station Concordia, Antarctica. |
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Conference - International - Poster |
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Year |
2013 |
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Proceedings of the EGU General Assembly 2013, Vienna, Vol. 15, EGU2013-13932, |
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1028 |
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4541 |
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Moore, C., Helmig, D., Fain, X., Obrist, D., Barbero, A., Barret, M., Van Dam, B., Dommergue, A., Hueber, J., Magand, O., Mass, A., Pirrone, N., Savarino, J., Seok, B., Sprovieri, F., Stephens, C., Williams, M., 2013. |
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Title |
Vertical gaseous elemental mercury concentration gradients, mercury redox processes, and surface exchanges in alpine and polar snowpacks. |
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Conference - International - Communication |
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Year |
2013 |
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The 11th International Conference on Mercury as a Global Pollutant (ICMGP), Edinburgh, Scotland, 28 July-2 August. |
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1028 |
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4552 |
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