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Author |
Ritsema Jeroen, Xu Wenbo, Stixrude Lars, Lithgow-Bertelloni Carolina, |
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Title |
Estimates of the transition zone temperature in a mechanically mixed upper mantle
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Type |
Journal Article |
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Year |
2009 |
Publication |
Earth and Planetary Science Letters |
Abbreviated Journal |
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Volume |
277 |
Issue |
12 |
Pages |
244-252 |
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Keywords |
mantle, mechanical mixing, mineral physics, travel times, temperature, |
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133 |
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Bachelor's thesis |
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ISSN |
0012-821X |
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yes |
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Call Number |
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Serial |
2926 |
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Author |
Zhang Yang, Ritsema Jeroen, Thorne Michael S, |
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Title |
Modeling the ratios of SKKS and SKS amplitudes with ultra-low velocity zones at the core-mantle boundary
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Type |
Journal Article |
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Year |
2009 |
Publication |
Geophys. Res. Lett. |
Abbreviated Journal |
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Volume |
36 |
Issue |
19 |
Pages |
L19303- |
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Keywords |
core-mantle boundary, SKS waves, amplitudes, 7203 Seismology: Body waves, 7208 Seismology: Mantle, 0545 Computational Geophysics: Modeling, |
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Abstract |
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Programme |
133 |
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Corporate Author |
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Thesis |
Bachelor's thesis |
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Publisher |
AGU |
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ISSN |
0094-8276 |
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yes |
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Call Number |
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Serial |
2966 |
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Author |
Connan Maëlle, Mayzaud Patrick, Duhamel Guy, Bonnevie Bo, Cherel Yves, |
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Title |
Fatty acid signature analysis documents the diet of five myctophid fish from the Southern Ocean
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Type |
Journal Article |
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Year |
2010 |
Publication |
Marine Biology |
Abbreviated Journal |
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Volume |
157 |
Issue |
10 |
Pages |
2303-2316 |
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Keywords |
Biomedical and Life Sciences, |
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Abstract |
Fatty acid (FA) and fatty alcohol (FAlc) compositions of both total lipid and neutral lipid fractions were studied for five myctophid species sampled in Kerguelen waters. Both qualitative and quantitative FA signature analyses were then performed to investigate their diet over longer time scales than the conventional stomach content analysis. Regarding their lipid class, FA and FAlc compositions, the five species could be discriminated into two groups: wax-ester-rich species ( Electrona antarctica , Krefftichthys anderssoni ) characterised by large amounts of monounsaturated FAs (>73% of total FAs) and triacylglycerol-rich species ( Electrona carlsbergi , Gymnoscopelus nicholsi , Protomyctophum bolini ) with major amounts of saturated and monounsaturated FAs (>29 and >46% of total FAs, respectively). Qualitative and quantitative FA analyses showed that K. anderssoni mainly preyed upon copepods, E. antarctica upon copepods and more euphausiids and P. bolini and E. carlsbergi mainly upon euphausiids with some copepods, while G. nicholsi had a more diverse diet. This study shows the usefulness of quantitative statistical analysis to determine the diet of Antarctic and sub-Antarctic predators and stresses the need of increasing the lipid and FA analyses of more zooplanktonic and micro-nektonic marine species. |
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Programme |
109 |
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Thesis |
Bachelor's thesis |
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Publisher |
Springer Berlin / Heidelberg |
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ISSN |
0025-3162 |
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yes |
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Call Number |
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Serial |
2980 |
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Author |
G. Ekstrom, M Nettles, A.M. Dziewonski |
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Title |
The global CMT project 2004-2010: Centroid-moment tensors for 13,017 earthquakes |
Type |
Journal Article |
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Year |
2012 |
Publication |
Physics of the Earth and Planetary Interiors |
Abbreviated Journal |
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Volume |
200-201 |
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Pages |
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Keywords |
Centroid-moment tensor; Earthquakes; Global seismicity |
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Abstract |
Earthquake moment tensors reflecting seven years of global seismic activity (2004–2010) are presented. The results are the product of the global centroid-moment-tensor (GCMT) project, which maintains and extends a catalog of global seismic moment tensors beginning with earthquakes in 1976. Starting with earthquakes in 2004, the GCMT analysis takes advantage of advances in the mapping of propagation characteristics of intermediate-period surface waves, and includes these waves in the moment-tensor inversions. This modification of the CMT algorithm makes possible the globally uniform determination of moment tensors for earthquakes as small as MW=5.0. For the period 2004–2010, 13,017 new centroid-moment tensors are reported. |
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Programme |
133 |
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Thesis |
Bachelor's thesis |
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ISSN |
0031-9201 |
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Approved |
yes |
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Call Number |
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Serial |
4648 |
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Author |
Dragon Anne-Cecile, Monestiez P, Bar-Hen A, Guinet C, |
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Title |
Linking foraging behaviour to physical oceanographic structures: Southern elephant seals and mesoscale eddies east of Kerguelen Islands
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Type |
Journal Article |
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Year |
2010 |
Publication |
Progress In Oceanography |
Abbreviated Journal |
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Volume |
87 |
Issue |
14 |
Pages |
61-71 |
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Abstract |
In the Southern Ocean, mesoscale features, such as fronts and eddies, have been shown to have a significant impact in structuring and enhancing primary productivity. They are therefore likely to influence the spatial structure of prey fields and play a key role in the creation of preferred foraging regions for oceanic top-predators. Optimal foraging theory predicts that predators should adjust their movement behaviour in relation to prey density. While crossing areas with sufficient prey density, we expect predators would change their behaviour by, for instance, decreasing their speed and increasing their turning frequency. Diving predators would as well increase the useful part of their dive i.e. increase bottom-time thereby increasing the fraction of time spent capturing prey. Southern elephant seals from the Kerguelen population have several foraging areas: in Antarctic waters, on the Kerguelen Plateau and in the interfrontal zone between the Subtropical and Polar Fronts. This study investigated how the movement and diving behaviour of 22 seals equipped with satellite-relayed data loggers changed in relation to mesoscale structures typical of the interfrontal zone. We studied the links between oceanographic variables including temperature and sea level anomalies, and diving and movement behaviour such as displacement speed, diving duration and bottom-time. Correlation coefficients between each of the time series were calculated and their significance tested with a parametric bootstrap. We focused on oceanographic changes, both temporal and spatial, occurring during behavioural transitions in order to clarify the connections between the behaviour and the marine environment of the animals. We showed that a majority of seals displayed a specific foraging behaviour related to the presence of both cyclonic and anticyclonic eddies. We characterized mesoscale oceanographic zones as either favourable or unfavourable based on the intensity of foraging activity as identified by the behavioural variables. Our findings highlight the importance of mesoscale features for top-predators behaviour and introduce a new approach for evaluating the importance to the seals of the origin and intensity of these features. |
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Programme |
109 |
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Thesis |
Bachelor's thesis |
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ISSN |
0079-6611 |
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Approved |
yes |
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Call Number |
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Serial |
3058 |
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Author |
Antomarchi V. |
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Title |
La création du parc National des Pingualuit au Nunavik (Nord Québec), une promotion touristique révélatrice de divergences d’opinions |
Type |
Conference - International - Article with Reading Comitee |
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Year |
2010 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
10 |
Pages |
101-112 |
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Abstract |
in Laslaz L., Gauchon C., Duval-Massaloux M. et Héritier S., coord. (2010), Espaces protégés, acceptation sociale et conflits environnementaux, Cahiers de Géographie, n°10, collection EDYTEM, pp. 101-112 |
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Programme |
1043 |
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Thesis |
Bachelor's thesis |
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yes |
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Call Number |
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Serial |
3106 |
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Author |
Friedt J-M, Retornaz T, Alzuaga S, Baron T, Martin G, Laroche T, Ballandras S, Griselin M, Simonnet J-P, |
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Title |
Surface acoustic wave devices as passive buried sensors
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Type |
Journal Article |
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Year |
2011 |
Publication |
Journal of Applied Physics |
Abbreviated Journal |
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Volume |
109 |
Issue |
3 |
Pages |
034905-9 |
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Keywords |
delay lines, electrical conductivity, ground penetrating radar, moisture, permittivity, surface acoustic wave sensors, temperature measurement, wireless sensor networks, |
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Abstract |
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Programme |
304 |
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Thesis |
Bachelor's thesis |
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Publisher |
AIP |
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ISSN |
0021-8979 |
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yes |
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Serial |
3116 |
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Author |
Salam Alex P, |
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Title |
Stress Challenges and Immunity in Space
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Type |
Book Chapter |
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Year |
2012 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
425-439 |
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Keywords |
Biomedical and Life Sciences, |
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Abstract |
Concordia Antarctic research station is one of the most isolated research stations on the planet and shares many stressor characteristics with deep space-long duration missions (DSLD). I spent a year at the Concordia in 2009 as a researcher in human biology and medicine for the European Space Agency, investigating the consequences of chronic stress on immunity and sleep. I discuss my experience and offer some brief thoughts on the parallels with DSLD missions. |
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Bachelor's thesis |
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Publisher |
Springer Berlin Heidelberg |
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978-3-642-22272-6 |
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yes |
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Call Number |
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Serial |
1889 |
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Author |
Vána J., Lebouvier M., Ochyra R., Bednarec-Ochyra H., Cykowska B. |
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Title |
Two noteworthy records of hepatics from Île Amsterdam in the South Indian Ocean |
Type |
Journal Article |
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Year |
2010 |
Publication |
NOVA HEDWIGIA |
Abbreviated Journal |
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Volume |
138 |
Issue |
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Pages |
229-239 |
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Programme |
136 |
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Thesis |
Bachelor's thesis |
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ISSN |
0029-5035 |
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yes |
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Call Number |
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Serial |
3120 |
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Author |
Bousquet P, Yver C, Pison I, Li Y S, Fortems A, Hauglustaine D, Szopa S, Rayner P J, Novelli P, Langenfelds R, Steele P, Ramonet M, Schmidt M, Foster P, Morfopoulos C, Ciais P, |
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Title |
A three-dimensional synthesis inversion of the molecular hydrogen cycle: Sources and sinks budget and implications for the soil uptake
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Type |
Journal Article |
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Year |
2011 |
Publication |
J. Geophys. Res. |
Abbreviated Journal |
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Volume |
116 |
Issue |
D1 |
Pages |
D01302- |
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Keywords |
atmospheric inversion, molecular hydrogen, sources and sinks, H2 budget, H2 soil uptake, 0322 Atmospheric Composition and Structure: Constituent sources and sinks, 0368 Atmospheric Composition and Structure: Troposphere: constituent transport and chemistry, 0365 Atmospheric Composition and Structure: Troposphere: composition and chemistry, 0414 Biogeosciences: Biogeochemical cycles, processes, and modeling, 0489 Biogeosciences: Trace element cycling, |
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Abstract |
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Programme |
416 |
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Corporate Author |
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Thesis |
Bachelor's thesis |
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Publisher |
AGU |
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Edition |
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ISSN |
0148-0227 |
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Approved |
yes |
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Call Number |
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Serial |
3126 |
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