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Author  |
Trehen P. & Vernon P. |
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Title |
Environnement et conservation dans l'Arctique et dans l'Antarctique. |
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Conference - National - Article without Reading Comitee |
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Year |
1994 |
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281-293 |
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136 |
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yes |
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850 |
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Author |
Treguer P. & Jacques G. |
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Title |
Dynamics of nutrients and phytoplankton and cycles of carbon, nitrogen and silicon in the Southern Ocean: a review. |
Type |
Journal Article |
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Year |
1992 |
Publication |
Polar biology |
Abbreviated Journal |
Polar Biol. |
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Volume |
12 |
Issue |
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Pages |
149-162 |
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296 |
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ISSN |
0722-4060 |
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yes |
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Serial |
1667 |
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Author |
Traversi, R.; Becagli, S.; Castellano, E.; Cerri, O.; Morganti, A.; Severi, M.; Udisti, R. |
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Title |
Study of Dome C site (East Antartica) variability by comparing chemical stratigraphies |
Type |
Journal Article |
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Year |
2009 |
Publication |
Microchemical Journal |
Abbreviated Journal |
Polar Chemistry |
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Volume |
92 |
Issue |
1 |
Pages |
7-14 |
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Keywords |
Antarctica; Dome C; Snowpit; Chemical analysis; Post-depositional effects |
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Abstract |
This paper compares chemical stratigraphies from snowpits collected at Dome C (East Antarctica) in order to assess site variability in terms of spatial distribution of chemical markers, annual accumulation rate and chemical species persistence in the snow layers. Since Dome C was chosen for deep drilling down to the bedrock in the framework of EPICA (European Project for Ice Coring in Antarctica), to provide 800kyr of climatic and environmental records, evaluating site variability is fundamental for a reliable interpretation of the deep ice core stratigraphies.
For this purpose, 4 snowpits were dug at Dome C (1997/98, 1998/99, 2000/01 and 2005/06 Antarctic Campaigns) and analysed for cations, inorganic anions and methane sulphonate by ion chromatography. Unlike the first three snowpits, the most recent one was analysed directly in situ, allowing to observe that no chemical contamination or loss due to sample storage and transport to Europe occurs for such a sampling.
Accumulation rate variability was revealed to be around 4% in a common time range (1992-1964) for all snowpits. Intra-snowpit chemical variability was definitely higher than inter-snowpit variability, indicating that the variations observed in the chemical stratigraphies from Dome C can be reliably related to effective changes in source and transport mechanisms of the investigated markers more than to site variability.
Post-depositional phenomena affecting chloride, nitrate and methane sulphonate were studied, revealing a logarithmic decay as a function of depth for Cl- and MSA and an exponential one for NO3-. The relative losses were quantified in the 75-80% range for Cl-, 66-83% for MSA and 89-94% for NO3- and were found to stop around 320, 320 and 60-80cm depth, respectively. |
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1181 |
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ISSN |
0026-265X |
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yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
6054 |
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Author |
Traversi R., S. Becagli, E. Castellano, V. Maggi, A. Moranti, M. Severi, R. Udisti. |
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Title |
Ultra-sensitive continuous flow analysis (CFA) determination of calcium in ice core at ppt level. |
Type |
Journal Article |
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Year |
2007 |
Publication |
Analytica chimica acta |
Abbreviated Journal |
Anal. Chim. Acta |
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Volume |
3 |
Issue |
3 |
Pages |
367-374 |
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1181 |
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ISSN |
0003-2670 |
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yes |
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Serial |
5401 |
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Author |
Traversi R., S. Becagli, E. Castellano, O. Cerri, A. Mannini, A. Morganti, E. Salvietti, M. Severi, R. Udisti, F. Lucarelli, S. Nava, F.a Marino. |
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Title |
Chemical and physical characterisation of sizesegregated summer aerosol in coastal and inner areas of Antarctica and atmosphere/snow transfer studies. |
Type |
Conference - International - Communication |
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Year |
2006 |
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Abstract |
2006 International Aerosol Conference, 10-15 Settembre 2006, St. Paul Minnesota, USA. |
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1181 |
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yes |
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Call Number |
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Serial |
5427 |
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Author |
Traversi R., S. Becagli, E. Castellano, O. Cerri, F. Marino, A. Morganti, F. Rugi, M. Severi, R. Udisti. |
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Title |
Sources and transport processes controlling aerosol chemical composition in antarctic coastal and plateau areas. |
Type |
Conference - National - Communication |
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Year |
2007 |
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Abstract |
Congresso Nazionale di Chimica degli Ambienti Polari, Venezia, Giugno 2007 |
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1181 |
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yes |
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Call Number |
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Serial |
5436 |
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Author |
Traversi R., Becaglu S., Castellano E., Migliori A., Severi M. & Udisti R. |
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Title |
High resolution Fast Ion Chromatography (FIC) measurements of chloride, nitrate and sulphate along the EPICA Dome C ice core. |
Type |
Journal Article |
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Year |
2002 |
Publication |
Annals of glaciology |
Abbreviated Journal |
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Volume |
35 |
Issue |
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Pages |
291-298 |
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Programme |
960 |
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ISSN |
0260-3055 |
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yes |
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2222 |
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Title |
Pollution, habitat loss, fishing, and climate change as critical threats to penguins
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Type |
Journal Article |
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Year |
2015 |
Publication |
Conservation Biology |
Abbreviated Journal |
Conserv. Biol. |
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Volume |
29 |
Issue |
1 |
Pages |
31-41 |
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394 |
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1523-1739 |
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yes |
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5014 |
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Author |
Tranchant Y.-T., M. Cancet, E. Sahuc, S. Millet, F. Lyard, L. Testut, V. Ballu, C. Chupin, G. Dibarboure, N. Picot, O. Laurain, P. Bonnefond. |
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Title |
High-resolution coastal modeling in Kerguelen Island for CAL/VAL activities |
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Peer-reviewed symposium |
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2020 |
Publication |
Ocean Surface Topography Science Team Meeting (OSTST) meeting, 19-23 October 2020, Virtual |
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688 |
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8371 |
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Author |
Tranchant Y.-T., C. Chupin, L. Testut, V. Ballu, O. Laurain, P. Bonnefond |
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Title |
A new high-resolution coastal model in Kerguelen Island for CAL/VAL operations |
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Peer-reviewed symposium |
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Year |
2020 |
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12th coastal altimetry workshop coastal altimetry training, 4-7 february 2020, esa-esrin, frascati, italy |
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8494 |
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