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Author |
Raynaud D. & Chappelaz J. |
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Title |
The record of Atmospheric Methane. |
Type |
Conference - International - Article with Reading Comitee |
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Year |
1993 |
Publication |
NATO ASI Series |
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Volume  |
113 |
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38-61 |
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159 |
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yes |
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Serial |
1885 |
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Author |
Jouventin P., Mouret V. & Bonadonna F. |
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Title |
Wilson's storm petrels Oceanites oceanicus recognise the olfactory signature of their mate. |
Type |
Journal Article |
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Year |
2007 |
Publication |
Ethology |
Abbreviated Journal |
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Volume |
113 |
Issue |
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Pages |
1228-1232 |
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354 |
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ISSN |
0179-1613 |
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yes |
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Call Number |
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Serial |
4563 |
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Author |
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Title |
Equivalent ionospheric currents for the 5 December 2006 solar flare effect determined from spherical cap harmonic analysis |
Type |
Journal Article |
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Year |
2008 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
113 |
Issue |
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Pages |
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Keywords |
solar flare effects; SCHA; magnetic observatories; 1530 Geomagnetism and Paleomagnetism: Rapid time variations; 2409 Ionosphere: Current systems; 2447 Ionosphere: Modeling and forecasting; 7974 Space Weather: Solar effects; 0545 Computational Geophysics: Modeling |
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Abstract |
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Programme |
139 |
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Publisher |
American Geophysical Union |
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ISSN |
0148-0227 |
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yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
5498 |
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Title |
Validation of Ozone Monitoring Instrument nitrogen dioxide columns |
Type |
Journal Article |
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Year |
2008 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
113 |
Issue |
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Pages |
D15S15 |
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Programme |
209 |
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Edition |
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ISSN |
0148-0227 |
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yes |
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Call Number |
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Serial |
5298 |
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Author |
Sodemann H, Masson-Delmotte V, Schwierz C, Vinther BM, Wernli H |
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Title |
Interannual variability of Greenland winter precipitation sources : 2. Effects of North Atlantic Oscillation variability on stable isotopes in precipitation. |
Type |
Journal Article |
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Year |
2008 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
113 |
Issue |
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Pages |
D12111 |
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Abstract |
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Programme |
458 |
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ISSN |
0148-0227 |
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Approved |
yes |
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Call Number |
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Serial |
5310 |
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Author |
Preunkert, S.; Jourdain, B.; Legrand, M.; Udisti, R.; Becagli, S.; Cerri, O. |
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Title |
Seasonality of sulfur species (dimethyl sulfide, sulfate, and methanesulfonate) in Antarctica: Inland versus coastal regions |
Type |
Journal Article |
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Year |
2008 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
113 |
Issue |
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Pages |
D15302 |
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Keywords |
sulfur cycle; DMS; 0365 Atmospheric Composition and Structure: Troposphere: composition and chemistry; 0315 Atmospheric Composition and Structure: Biosphere/atmosphere interactions; 0305 Atmospheric Composition and Structure: Aerosols and particles |
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Abstract |
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Programme |
414;903;1181 |
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Publisher |
American Geophysical Union |
Place of Publication |
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Editor |
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Language |
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Summary Language |
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Original Title |
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Series Editor |
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Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0148-0227 |
ISBN |
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Notes |
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Approved |
yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
5518 |
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| Permanent link to this record |
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Author |
Baroni, Mlanie; Savarino, Jol; Cole-Dai, J.; Rai, V.K.; Thiemens, M.H. |
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Title |
Anomalous sulfur isotope compositions of volcanic sulfate over the last millennium in Antarctic ice cores |
Type |
Journal Article |
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Year |
2008 |
Publication |
J. Geophys. Res. |
Abbreviated Journal |
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Volume |
113 |
Issue |
D20 |
Pages |
D20112 |
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Keywords |
sulfur isotope anomaly; volcanic eruption; ice cores; 0370 Atmospheric Composition and Structure: Volcanic effects; 0454 Biogeosciences: Isotopic composition and chemistry; 0473 Biogeosciences: Paleoclimatology and paleoceanography; 0724 Cryosphere: Ice cores; 1041 Geochemistry: Stable isotope geochemistry |
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Abstract |
The reconstruction of past volcanism from glaciological archives is based on the measurement of sulfate concentrations in ice. This method does not allow a proper evaluation of the climatic impact of an eruption owing to the uncertainty in classifying an event between stratospheric or tropospheric. This work develops a new method, using anomalous sulfur isotope composition of volcanic sulfate in order to identify stratospheric eruptions over the last millennium. The advantages and limits of this new method are established with the examination of the 10 largest volcanic signals in ice cores from Dome C and South Pole, Antarctica. Of the 10, seven are identified as stratospheric eruptions. Among them, three have been known to be stratospheric (Tambora, Kuwae, the 1259 Unknown Event) and they exhibit anomalous sulfur isotope compositions. Three unknown events (circa 1277, 1230, 1170 A.D.) and the Serua eruption have been identified as stratospheric eruptions, which suggests for the first time that they could have had significant climatic impact. However, the Kuwae and the 1259 Unknown Event stratospheric eruptions exhibit different anomalous sulfur isotope compositions between South Pole and Dome C samples. Differences in sulfate deposition and preservation patterns between the two sites can help explain these discrepancies. This study shows that the presence of an anomalous sulfur isotope composition of volcanic sulfate in ice core indicates a stratospheric eruption, but the absence of such composition does not necessarily lead to the conclusion of a tropospheric process because of differences in the sulfate deposition on the ice sheet. |
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Programme |
1011 |
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Campaign |
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Thesis |
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Publisher |
AGU |
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ISSN |
0148-0227 |
ISBN |
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Approved |
yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
6048 |
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| Permanent link to this record |
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Author |
Melanie Baroni, Joel Savarino, Jihong Cole-Dai, Vinai K. Rai and Mark H. Thiemens |
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Title |
Anomalous sulfur isotope compositions of volcanic sulfate over the last millennium in Antarctic ice cores |
Type |
Journal Article |
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Year |
2008 |
Publication |
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
113 |
Issue |
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Pages |
D20112 |
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Keywords |
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Abstract |
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Programme |
1011 |
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ISSN |
0148-0227 |
ISBN |
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Notes |
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Approved |
yes |
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Call Number |
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Serial |
5827 |
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Author |
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Title |
Comparison of polar ozone loss rates simulated by one-dimensional and three-dimensional models with Match observations in recent Antarctic and Arctic winters |
Type |
Journal Article |
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Year |
2007 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
112 |
Issue |
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Pages |
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Keywords |
Ozone loss rates; transport model; trajectory model; 0340 Atmospheric Composition and Structure: Middle atmosphere: composition and chemistry; 0341 Atmospheric Composition and Structure: Middle atmosphere: constituent transport and chemistry; 3334 Atmospheric Processes: Middle atmosphere dynamics; 3360 Atmospheric Processes: Remote sensing; 3319 Atmospheric Processes: General circulation |
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Abstract |
Simulations of ozone loss rates using a three-dimensional chemical transport model and a box model during recent Antarctic and Arctic winters are compared with experimental loss rates. The study focused on the Antarctic winter 2003, during which the first Antarctic Match campaign was organized, and on Arctic winters 1999/2000, 2002/2003. The maximum ozone loss rates retrieved by the Match technique for the winters and levels studied reached 6 ppbv/sunlit hour and both types of simulations could generally reproduce the observations at 2-sigma error bar level. In some cases, for example, for the Arctic winter 2002/2003 at 475 K level, an excellent agreement within 1-sigma standard deviation level was obtained. An overestimation was also found with the box model simulation at some isentropic levels for the Antarctic winter and the Arctic winter 1999/2000, indicating an overestimation of chlorine activation in the model. Loss rates in the Antarctic show signs of saturation in September, which have to be considered in the comparison. Sensitivity tests were performed with the box model in order to assess the impact of kinetic parameters of the ClO-Cl2O2 catalytic cycle and total bromine content on the ozone loss rate. These tests resulted in a maximum change in ozone loss rates of 1.2 ppbv/sunlit hour, generally in high solar zenith angle conditions. In some cases, a better agreement was achieved with fastest photolysis of Cl2O2 and additional source of total inorganic bromine but at the expense of overestimation of smaller ozone loss rates derived later in the winter. |
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Programme |
209 |
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Publisher |
American Geophysical Union |
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Series Editor |
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ISSN |
0148-0227 |
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Approved |
yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
5648 |
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Author |
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Title |
Age-specific survival and reproductive performances in fur seals: evidence of senescence and individual quality. |
Type |
Journal Article |
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Year |
2006 |
Publication |
Oikos |
Abbreviated Journal |
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Volume |
112 |
Issue |
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Pages |
430-441 |
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Programme |
109 |
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ISSN |
0030-1299 |
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yes |
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Call Number |
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Serial |
3699 |
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