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Title |
Recent Climate Variability around the Kerguelen Islands (Southern Ocean) Seen through Weather Regimes |
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Journal |
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Year |
2021 |
Publication  |
Journal of Applied Meteorology and Climatology |
Abbreviated Journal |
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Volume |
60 |
Issue |
5 |
Pages |
711-731 |
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Programme |
688,1044,1048 |
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Thesis |
Bachelor's thesis |
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ISSN |
1558-8424 |
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Approved |
yes |
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Call Number |
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Serial |
8003 |
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Title |
Diel at-sea activity of two species of great albatrosses: the ontogeny of foraging and movement behaviour |
Type |
Journal |
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Year |
2021 |
Publication |
Journal of Avian Biology |
Abbreviated Journal |
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Volume |
52 |
Issue |
2 |
Pages |
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Keywords |
albatross diel activity pattern Diomedea flight behavior foraging activity moon illumination night activity seabirds |
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Abstract |
The first year of life is a period of high mortality in animals. Reduced foraging capacities of naive individuals might be the primary cause of their mortality. These capacities are supposed to be progressively acquired during the first months of life. In this study, we investigate the ontogeny of flight capacities, by day and night, of first-year individuals, and compare it with adults from two closely related species of great albatrosses: Amsterdam Diomedea amsterdamensis and wandering Diomedea exulans albatrosses which forage in different environmental conditions. We used 71 tracks of 71 juvenile birds and 141 of 116 incubating adults to compare both age categories. In order to explore the effect of moon light on night activity, we elaborated a new formula which improves the precision of the proxy of moon illumination. By day, we found that juveniles of both species reach some adult foraging capacities in less than two months. By night, albatrosses have reduced activity increasing during the first weeks at sea for juveniles and changing in accordance with moon illumination for both juveniles and adults. A peak of flight activity at dawn and dusk was apparent for both species. Interspecific comparison underlined that Amsterdam albatrosses were more active than wandering albatrosses, suggesting a difference in food and foraging strategy. Overall, we highlighted how life history traits, environmental conditions and time of the day affect the foraging activity of two related species of seabirds. |
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Programme |
109 |
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ISSN |
1600-048X |
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Approved |
yes |
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Call Number |
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Serial |
7943 |
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Title |
The story of endurance: Biogeography and the evolutionary history of four Holarctic butterflies with different habitat requirements |
Type |
Journal |
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Year |
2021 |
Publication |
Journal of Biogeography |
Abbreviated Journal |
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Volume |
48 |
Issue |
3 |
Pages |
590-602 |
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Keywords |
COI Ef-1? insect Lepidoptera mammoth steppe Pleistocene Quaternary RpS5 species distribution modelling |
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Abstract |
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Programme |
1036 |
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ISSN |
1365-2699 |
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Approved |
yes |
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Call Number |
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Serial |
7984 |
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Title |
Individual migration strategy fidelity but no habitat specialization in two congeneric seabirds |
Type |
Journal |
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Year |
2021 |
Publication |
Journal of Biogeography |
Abbreviated Journal |
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Volume |
48 |
Issue |
2 |
Pages |
263-275 |
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Keywords |
guillemots light-level geolocation murres Uria aalge Uria lomvia |
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Abstract |
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Programme |
388 |
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ISSN |
1365-2699 |
ISBN |
1365-2699 |
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Approved |
yes |
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Call Number |
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Serial |
8025 |
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Author |
G. Hubert, S. Aubry |
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Title |
Simulation of atmospheric cosmic-rays and their impacts based on pre-calculated databases, physical models and computational methods |
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Journal |
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Year |
2021 |
Publication |
Journal of Computational Science |
Abbreviated Journal |
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Volume |
51 |
Issue |
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Pages |
101307 |
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Keywords |
Ambient dose equivalent Atmospheric cosmic-rays Cosmogenic nuclide production Multi-physics Single event effect |
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Abstract |
The atmospheric cosmic-ray environment is composed of secondary particles produced when primary cosmic rays interact with the nucleus of atmospheric atoms. Modeling of atmospheric radiations is essential for investigating their impacts on human activities such as radiation risks in aviation or scientific fields such as cosmogenic dating. The nuclear transport codes are a common and accurate way to model the cosmic ray interaction in the atmosphere with minimal approximations. However, tracking all produced secondary particles in each event in the whole depth of the atmosphere and sampling many events to obtain the statistically meaningful results would be a computational challenge and disadvantageous from the point of view of time consumption. This paper presents a computational platform names ATMOS CORE based on pre-calculated databases coupled to physical models and computational methods. The fields of application concern the atmospheric cosmic-rays characterization as well as their effects on electronics systems, on the ambient dose for aircrews or the cosmogenic nuclide production for dating activities. Some comparisons between simulations and measurements are also presented and discussed. |
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Programme |
1112 |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
1877-7503 |
ISBN |
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Notes |
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Approved |
yes |
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Call Number |
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Serial |
7957 |
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| Permanent link to this record |
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Author |
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Title |
The biology and feeding ecology of Arctic charr in the Kerguelen Islands |
Type |
Journal |
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Year |
2021 |
Publication |
Journal of Fish Biology |
Abbreviated Journal |
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Volume |
98 |
Issue |
2 |
Pages |
526-536 |
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Keywords |
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Abstract |
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Programme |
1041 |
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Edition |
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ISSN |
1095-8649 |
ISBN |
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Notes |
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Approved |
yes |
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Call Number |
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Serial |
8178 |
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| Permanent link to this record |
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Author |
Richard D. Ray, Bryant D. Loomis, Victor Zlotnicki |
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Title |
The mean seasonal cycle in relative sea level from satellite altimetry and gravimetry |
Type |
Journal |
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Year |
2021 |
Publication |
Journal of Geodesy |
Abbreviated Journal |
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Volume |
95 |
Issue |
7 |
Pages |
80 |
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Keywords |
Annual geocenter motion Annual land motion Annual/semiannual cycle Satellite altimetry |
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Abstract |
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Programme |
688 |
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Campaign |
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Corporate Author |
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Edition |
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ISSN |
1432-1394 |
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Approved |
yes |
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Call Number |
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Serial |
8610 |
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Author |
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Title |
Antarctic Atmospheric River Climatology and Precipitation Impacts |
Type |
Journal |
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Year |
2021 |
Publication |
Journal of Geophysical Research: Atmospheres |
Abbreviated Journal |
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Volume |
126 |
Issue |
8 |
Pages |
e2020JD033788 |
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Keywords |
Antarctica atmospheric rivers climatology meteorology |
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Abstract |
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Programme |
411 |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
2169-8996 |
ISBN |
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Notes |
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Approved |
yes |
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Call Number |
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Serial |
8327 |
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Author |
A. Barbero, J. Savarino, R. Grilli, C. Blouzon, G. Picard, M. M. Frey, Y. Huang, N. Caillon |
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Title |
New Estimation of the NOx Snow-Source on the Antarctic Plateau |
Type |
Journal |
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Year |
2021 |
Publication |
Journal of Geophysical Research: Atmospheres |
Abbreviated Journal |
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Volume |
126 |
Issue |
20 |
Pages |
e2021JD035062 |
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Keywords |
Antarctic Plateau flux chamber nitrate photolysis snowpack emissions |
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Abstract |
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Programme |
1177 |
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ISSN |
2169-8996 |
ISBN |
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Notes |
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Approved |
yes |
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Call Number |
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Serial |
8393 |
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Title |
Regional Characteristics of Atmospheric Sulfate Formation in East Antarctica Imprinted on 17O-Excess Signature |
Type |
Journal |
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Year |
2021 |
Publication |
Journal of Geophysical Research: Atmospheres |
Abbreviated Journal |
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Volume |
126 |
Issue |
6 |
Pages |
e2020JD033583 |
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Keywords |
aerosols Antarctica isotope methanesulfonate sulfate |
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Abstract |
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Programme |
1177 |
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Series Issue |
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ISSN |
2169-8996 |
ISBN |
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Notes |
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Approved |
yes |
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Call Number |
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Serial |
8412 |
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| Permanent link to this record |
