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Journal |
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Year |
2021 |
Publication |
Communications Earth & Environment |
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Volume |
2 |
Issue |
1 |
Pages |
1-8 |
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Physical oceanography |
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688 |
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ISSN |
2662-4435 |
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yes |
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Call Number |
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Serial |
8387 |
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Author |
Pengcheng Wang, Natacha B. Bernier, Keith R. Thompson, Tsubasa Kodaira |
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Title |
Evaluation of a global total water level model in the presence of radiational S2 tide |
Type |
Journal |
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Year |
2021 |
Publication |
Ocean Modelling |
Abbreviated Journal |
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Volume |
168 |
Issue |
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Pages |
101893 |
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Keywords |
NEMO Radiational and gravitational tide Storm surge Tidal nudging Total water level |
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688 |
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ISSN |
1463-5003 |
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yes |
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Call Number |
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Serial |
8356 |
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Author |
R. Sulzbach, H. Dobslaw, M. Thomas |
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Title |
High-Resolution Numerical Modeling of Barotropic Global Ocean Tides for Satellite Gravimetry |
Type |
Journal |
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Year |
2021 |
Publication |
Journal of Geophysical Research: Oceans |
Abbreviated Journal |
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Volume |
126 |
Issue |
5 |
Pages |
e2020JC017097 |
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Keywords |
M2-tide minor tides pole-rotation self-attraction and loading tide-generating potential topographic wavedrag |
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Programme |
688 |
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ISSN |
2169-9291 |
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yes |
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Call Number |
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Serial |
8605 |
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Title |
Seabird population changes following mammal eradication at oceanic Saint-Paul Island, Indian Ocean |
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Journal |
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Year |
2021 |
Publication |
Journal for Nature Conservation |
Abbreviated Journal |
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Volume |
63 |
Issue |
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Pages |
126049 |
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Keywords |
Island restoration Petrels Population growth rate Rats Shearwaters Terns |
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109 |
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Edition |
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ISSN |
1617-1381 |
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yes |
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Call Number |
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Serial |
8459 |
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Title |
Scouring by rafted ice and cryogenic patterned ground preserved in a Palaeoproterozoic equatorial proglacial lagoon succession, eastern India, Nuna supercontinent |
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Journal |
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Year |
2021 |
Publication |
Marine and Petroleum Geology |
Abbreviated Journal |
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Volume |
123 |
Issue |
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Pages |
104766 |
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Keywords |
Ice-rafted debris Iceberg scouring India Palaeoproterozoic Permafrost Proglacial Reticulate ice |
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Abstract |
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Programme |
316 |
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Edition |
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ISSN |
0264-8172 |
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yes |
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Call Number |
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Serial |
6471 |
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Title |
Individual migration strategy fidelity but no habitat specialization in two congeneric seabirds |
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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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Series Volume |
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Series Issue |
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Edition |
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ISSN |
1365-2699 |
ISBN |
1365-2699 |
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Notes |
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Approved |
yes |
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Call Number |
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Serial |
8025 |
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Author |
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Title |
Impact of extreme environmental conditions: Foraging behaviour and trophic ecology responses of a diving seabird, the common diving petrel |
Type |
Journal |
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Year |
2021 |
Publication |
Progress in Oceanography |
Abbreviated Journal |
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Volume |
198 |
Issue |
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Pages |
102676 |
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Keywords |
GPS tracking Habitat modelling Inter-annual variation Marine heatwave Stable isotopes |
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Abstract |
The reproductive success of birds is strongly driven by environmental conditions at different time scales. Thus, during periods of low food availability, breeding success is constrained by the ability of adults to adapt their foraging effort and feeding behaviour to maintain regular incubation shifts and chick provisioning. However, while large seabirds can buffer disruptions in prey availability, the ecophysiological constraints of smaller species may limit their behavioural flexibility. By combining information on at-sea movements, foraging habitat, trophic niche, and breeding success, this study evaluated the effects of intense variability in oceanographic conditions on common diving petrels (Pelecanoides urinatrix) at the northern extent of their range in south-eastern Australia during four consecutive breeding seasons. Unusually low breeding success (6 and 0%) was observed during two years with intense heatwave events, which were associated with higher foraging effort (foraging trips twice longer) and a substantial shift in trophic niche (lower blood ?15N values). These findings suggest that common diving petrels in Bass Strait may have reached a critical threshold above which buffering the effects of environmental variability on their reproductive output is not possible. The clear cascading impacts that marine heatwaves have on zooplankton feeders illustrate the profound bottom-up effect induced by such extreme environmental variations, and suggest strong impact on higher-trophic levels. The wide, circumpolar breeding distribution of the common diving petrel, and its high sensitivity to variations in oceanographic conditions, suggest that this species may be a suitable model to study short-term and long-term behavioural responses to the effects of climate change throughout the Southern Ocean. |
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109 |
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ISSN |
0079-6611 |
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yes |
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Call Number |
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Serial |
8374 |
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Author |
O. Alemany, P. Talalay, P. Boissonneau, J. Chappellaz, J. F. Chemin, R. Duphil, E. Lefebvre, L. Piard, P. Possenti, J. Triest |
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Title |
The SUBGLACIOR drilling probe: hydraulic considerations |
Type |
Journal |
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Year |
2021 |
Publication |
Annals of Glaciology |
Abbreviated Journal |
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Volume |
62 |
Issue |
84 |
Pages |
131-142 |
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Keywords |
Glaciological instruments and methods ice coring ice engineering paleoclimate |
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Abstract |
Using significant technological breakthroughs and unconventional approaches, the goal of the in situ probing of glacier ice for a better understanding of the orbital response of climate (SUBGLACIOR) project is to advance ice core research by inventing, constructing and testing an in situ probe to evaluate if a target site is suitable for recovering ice as old as 1.5 million years. Embedding a laser spectrometer, the probe is intended to make its own way down into the ice and to measure, in real time and down to the bedrock, the depth profiles of the ice ?D water isotopes as well as the trapped CH4 gas concentration and dust concentration. The probe descent is achieved through electromechanical drilling combined with continuous meltwater sample production using a central melting finger in the drill head. A key aspect of the project lies in the design and implementation of an efficient method to continuously transfer to the surface the ice chips being produced by the drill head and from the refreezed water expulsed downstream from the melting finger, into the borehole. This paper presents a detailed calculation and analysis of the flow rates and pressure conditions required to overcome friction losses of the drilling fluid and to effectively transport ice chips to the surface. |
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ISSN |
0260-3055, 1727-5644 |
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yes |
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Call Number |
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Serial |
8234 |
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Title |
Evaluation of candidate models for the 13th generation International Geomagnetic Reference Field |
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Journal |
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Year |
2021 |
Publication |
Earth, Planets and Space |
Abbreviated Journal |
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Volume |
73 |
Issue |
1 |
Pages |
48 |
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Keywords |
Geomagnetism IGRF Magnetic field modeling |
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Abstract |
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Programme |
139 |
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ISSN |
1880-5981 |
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yes |
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Call Number |
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Serial |
7937 |
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Author |
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Title |
International Geomagnetic Reference Field: the thirteenth generation |
Type |
Journal |
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Year |
2021 |
Publication |
Earth, Planets and Space |
Abbreviated Journal |
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Volume |
73 |
Issue |
1 |
Pages |
49 |
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Keywords |
Geomagnetism IGRF Magnetic field modeling |
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Abstract |
In December 2019, the International Association of Geomagnetism and Aeronomy (IAGA) Division V Working Group (V-MOD) adopted the thirteenth generation of the International Geomagnetic Reference Field (IGRF). This IGRF updates the previous generation with a definitive main field model for epoch 2015.0, a main field model for epoch 2020.0, and a predictive linear secular variation for 2020.0 to 2025.0. This letter provides the equations defining the IGRF, the spherical harmonic coefficients for this thirteenth generation model, maps of magnetic declination, inclination and total field intensity for the epoch 2020.0, and maps of their predicted rate of change for the 2020.0 to 2025.0 time period. |
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139 |
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1880-5981 |
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yes |
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Call Number |
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Serial |
8085 |
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