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Author |
SAUCEDE T. |
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An illustration of the French Research in Antarctic: a study of biodiversity patterns in the marine fauna. |
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Conference - International - Communication |
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2008 |
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1124 |
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yes |
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Serial |
2819 |
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Author |
Gattacceca J., Rochette P., Denise M., Consolmagno G., Folco L. |
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Title |
An impact origin for the foliation of ordinary chondrites |
Type |
Journal Article |
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Year |
2005 |
Publication |
Earth and planetary science letters |
Abbreviated Journal |
Earth Planet. Sci. Lett. |
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Volume |
234 |
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Pages |
351-368 |
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412 |
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0012-821X |
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yes |
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3541 |
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Author |
Emile A. Okal, Nooshin Saloor, Stephen H. Kirby, Meredith Nettles |
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Title |
An implosive component to the source of the deep Sea of Okhotsk earthquake of 24 May 2013: Evidence from radial modes and CMT inversion |
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Journal |
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Year |
2018 |
Publication |
Physics of the Earth and Planetary Interiors |
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Volume |
281 |
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Pages |
68-78 |
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133 |
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0031-9201 |
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yes |
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7880 |
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Morganti Andrea; Becagli Silvia; Castellano Emiliano; Severi Mirko; Traversi Rita; Udisti Roberto |
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Title |
An improved flow analysis-ion chromatography method for determination of cationic and anionic species at trace levels in Antarctic ice cores. |
Type |
Journal Article |
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Year |
2007 |
Publication |
Analytica chimica acta |
Abbreviated Journal |
Anal. Chim. Acta |
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Volume |
603 |
Issue |
2 |
Pages |
190-198 |
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Abstract |
A method was developed for the quantitative determination of cations and anions in Antarctic ice cores at microgL(-1) and sub-microgL(-1) levels by ion chromatography (IC), after ultra-clean decontamination procedures. Strict manipulation and decontamination procedures were used in sub-sampling, in order to minimise sample contamination. Na+, NH4+, K+, Mg2+ and Ca2+ were determined by 12-min isocratic elution (H2SO4 eluent). Contemporaneously, in a parallel device, F-, MSA (methanesulfonic acid), Cl-, NO3- and SO4(2-) were analysed in a single 12-min run with multiple-step elution using Na2CO3/NaHCO3 as eluent. Melted ice samples were pumped from their still-closed containers (polystyrene accuvettes with polyethylene caps), shared between the two ion chromatographic systems, online filtered (0.45 microm Teflon membrane) and pre-concentrated (anions and cations pre-concentration columns) using a flow analysis system, thus avoiding uptake of contaminants from the laboratory atmosphere. Sensitivity, linear range, reproducibility and detection limit were evaluated for each chemical species. Anion or cation detection limits ranged from 0.01 to 0.15 microgL(-1) by using a relatively small sample volume (1.5 mL). Such values are significantly lower than those reported in literature for almost all the components. These methods were successfully applied to the analysis of cations and anions at trace levels in the Dome C ice core. The composition of the atmospheric aerosol for the last 850 kyr was reconstructed by high-resolution continuous chemical stratigraphies. Concentration trends in the last nine glacial-interglacial climatic cycles were shown and briefly discussed. |
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1181 |
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ISSN |
0003-2670 |
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yes |
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5402 |
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Author |
Alexandra Lavrillier, Semen Gabyshev |
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Title |
An Indigenous science of the climate change impacts on landscape topography in Siberia |
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Journal |
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Year |
2021 |
Publication |
Ambio |
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Volume |
50 |
Issue |
11 |
Pages |
1910-1925 |
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Programme |
1127 |
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ISSN |
1654-7209 |
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yes |
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Call Number |
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Serial |
7627 |
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Title |
An individual and a sex odor signature in kittiwakes? Study of the semiochemical composition of preen secretion and preen down feathers
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Type |
Journal Article |
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Year |
2011 |
Publication |
Naturwissenschaften |
Abbreviated Journal |
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Volume |
98 |
Issue |
7 |
Pages |
615-624 |
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Keywords |
Biomedical and Life Sciences, |
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Abstract |
The importance of olfaction in birds social behavior has long been denied. Avian chemical signaling has thus been relatively unexplored. The black-legged kittiwake provides a particularly appropriate model for investigating this topic. Kittiwakes preferentially mate with genetically dissimilar individuals, but the cues used to assess genetic characteristics remain unknown. As in other vertebrates, their body odors may carry individual and sexual signatures thus potentially reliably signaling individual genetic makeup. Here, we test whether body odors in preen gland secretion and preen down feathers in kittiwakes may provide a sex and an individual signature. Using gas chromatography and mass spectrometry, we found that male and female odors differ quantitatively, suggesting that scent may be one of the multiple cues used by birds to discriminate between sexes. We further detected an individual signature in the volatile and nonvolatile fractions of preen secretion and preen down feathers. These results suggest that kittiwake body odor may function as a signal associated with mate recognition. It further suggests that preen odor might broadcast the genetic makeup of individuals, and could be used in mate choice to assess the genetic compatibility of potential mates. |
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1162 |
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Thesis |
Bachelor's thesis |
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Publisher |
Springer Berlin / Heidelberg |
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ISSN |
0028-1042 |
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Approved |
yes |
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Call Number |
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Serial |
3514 |
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Author |
Beans C., Courcot L., Goffart A., Koubbi P., Vallet C., Vandeputte A., Volkaert F. & Hecq J.H. |
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Title |
An initial study on the diet of post-larval antarctic silverfish (Pleuragramma antarcticum, Boulanger 1902) from Antarctic coastal waters |
Type |
Conference - International - Communication |
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Year |
2005 |
Publication |
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Abbreviated Journal |
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281 |
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yes |
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Call Number |
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Serial |
3489 |
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Author |
Fund F, Perosanz F, Testut L, Loyer S, |
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Title |
An Integer Precise Point Positioning technique for sea surface observations using a GPS buoy
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Journal Article |
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Year |
2013 |
Publication |
Advances in Space Research |
Abbreviated Journal |
Adv Space Res |
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Volume |
51 |
Issue |
8 |
Pages |
1311-1322 |
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Keywords |
GPS, Ambiguity fixing, Tropospheric delays, Buoy, Radar gauge, |
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Abstract |
GPS data dedicated to sea surface observation are usually processed using differential techniques. Unfortunately, the precision of resulting kinematic positions is baseline-length dependent. So, high precision sea surface observations using differential GPS techniques are limited to coasts, lakes, and rivers. Recent improvements in GPS satellite products (orbits, clocks, and phase biases) make phase ambiguity fixing at the zero difference level achievable and opens up the observation of the sea surface without geographical constraints. This paper recalls the concept of the Integer Precise Point Positioning technique and discusses the precision of GPS buoy positioning. A sequential version of the GINS software has been implemented to achieve single epoch GPS positioning. We used 1 Hz data from a two week GPS campaign conducted in the Kerguelen Islands. A GPS buoy has been moored close to a radar gauge and 90 m away from a permanent GPS station. This infrastructure offers the opportunity to compare both kinematic Integer Precise Point Positioning and classical differential GPS positioning techniques to in situ radar gauge data. We found that Precise Point Positioning results are not significantly biased with respect to radar gauge data and that horizontal time series are consistent with differential processing at the sub-centimetre precision level. Nevertheless, standard deviations of height time series with respect to radar gauge data are typically [45] cm. The dominant driver for noise at this level is attributed to errors in tropospheric estimates which propagate into position solutions. |
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Programme |
688 |
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Thesis |
Bachelor's thesis |
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ISSN |
0273-1177 |
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Serial |
4159 |
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Author |
Tuck Geoffrey N, Thomson Robin B, Barbraud Christophe, Delord Karine, Louzao Maite, Herrera Miguel, Weimerskirch Henri, |
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Title |
An integrated assessment model of seabird population dynamics: can individual heterogeneity in susceptibility to fishing explain abundance trends in Crozet wandering albatross?
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Journal Article |
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Year |
2015 |
Publication |
Journal of Applied Ecology |
Abbreviated Journal |
J Appl Ecol |
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Volume |
52 |
Issue |
4 |
Pages |
950-959 |
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109 |
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0021-8901 |
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6179 |
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Title |
An integrated palaeoenvironmental investigation of a 6200 year old peat sequence from Ile de la Possession, Iles Crozet, sub-Antarctica |
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Journal |
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Year |
2008 |
Publication |
Palaeogeography, Palaeoclimatology, Palaeoecology |
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Volume |
270 |
Issue |
1 |
Pages |
179-195 |
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Keywords |
Diatoms Geochemical analysis Holocene Iles Crozet Macrofossil record Palaeoclimate Palaeoecology Rock magnetism Sub-Antarctic |
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136 |
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0031-0182 |
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yes |
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Call Number |
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5317 |
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