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Author |
Alexis Chaigneau, Rosemary A. Morrow, Stephen R. Rintoul |
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Title |
Seasonal and interannual evolution of the mixed layer in the Antarctic Zone south of Tasmania |
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Year |
2004 |
Publication |
Deep Sea Research Part I: Oceanographic Research Papers |
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Volume |
51 |
Issue |
12 |
Pages |
2047-2072 |
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Keywords |
Antarctic zone Surface and subsurface water masses Surface mixed layer Temporal variations |
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694 |
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ISSN |
0967-0637 |
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yes |
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8241 |
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Author |
T Leslie |
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Title |
Analysis of Gattini Antarctic sky camera data |
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2007 |
Publication |
Bachelor of Science. University of New South Wales Honours thesis |
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1194 |
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8240 |
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Author |
K. G. Strassmeier, R. Briguglio, T. Granzer, G. Tosti, I. DiVarano, I. Savanov, M. Bagaglia, S. Castellini, A. Mancini, G. Nucciarelli, O. Straniero, E. Distefano, S. Messina, G. Cutispoto |
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Title |
First time-series optical photometry from Antarctica – sIRAIT monitoring of the RS CVn binary V841 Centauri and the ?-Scuti star V1034 Centauri |
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Journal |
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Year |
2008 |
Publication |
Astronomy & Astrophysics |
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Volume |
490 |
Issue |
1 |
Pages |
287-295 |
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1194 |
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0004-6361, 1432-0746 |
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yes |
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8239 |
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Author |
Samuel Etienne |
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2003 |
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Volume |
28 |
Issue |
10 |
Pages |
66 |
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400 |
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8238 |
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Author |
L. Labrousse, S. Elvevold, C. Lepvrier, P. Agard |
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Title |
Structural analysis of high-pressure metamorphic rocks of Svalbard: Reconstructing the early stages of the Caledonian orogeny |
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Journal |
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Year |
2008 |
Publication |
Tectonics |
Abbreviated Journal |
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Volume |
27 |
Issue |
5 |
Pages |
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Keywords |
blueschists Caledonian orogeny structural analysis Svalbard |
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398 |
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1944-9194 |
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yes |
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8237 |
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Author |
Denis Mercier |
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2010 |
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400 |
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Serial |
8236 |
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Author |
Chiara Papetti, Massimiliano Babbucci, Agnes Dettai, Andrea Basso, Magnus Lucassen, Lars Harms, Celine Bonillo, Franz Maximilian Heindler, Tomaso Patarnello, Enrico Negrisolo |
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Title |
Not Frozen in the Ice: Large and Dynamic Rearrangements in the Mitochondrial Genomes of the Antarctic Fish |
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Journal |
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Year |
2021 |
Publication |
Genome Biology and Evolution |
Abbreviated Journal |
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Volume |
13 |
Issue |
3 |
Pages |
evab017 |
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Abstract |
The vertebrate mitochondrial genomes generally present a typical gene order. Exceptions are uncommon and important to study the genetic mechanisms of gene order rearrangements and their consequences on phylogenetic output and mitochondrial function. Antarctic notothenioid fish carry some peculiar rearrangements of the mitochondrial gene order. In this first systematic study of 28 species, we analyzed known and undescribed mitochondrial genome rearrangements for a total of eight different gene orders within the notothenioid fish. Our reconstructions suggest that transpositions, duplications, and inversion of multiple genes are the most likely mechanisms of rearrangement in notothenioid mitochondrial genomes. In Trematominae, we documented an extremely rare inversion of a large genomic segment of 5,300?bp that partially affected the gene compositional bias but not the phylogenetic output. The genomic region delimited by nad5 and trnF, close to the area of the Control Region, was identified as the hot spot of variation in Antarctic fish mitochondrial genomes. Analyzing the sequence of several intergenic spacers and mapping the arrangements on a newly generated phylogeny showed that the entire history of the Antarctic notothenioids is characterized by multiple, relatively rapid, events of disruption of the gene order. We hypothesized that a pre-existing genomic flexibility of the ancestor of the Antarctic notothenioids may have generated a precondition for gene order rearrangement, and the pressure of purifying selection could have worked for a rapid restoration of the mitochondrial functionality and compactness after each event of rearrangement. |
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1124 |
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ISSN |
1759-6653 |
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yes |
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Serial |
8235 |
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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 |
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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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0260-3055, 1727-5644 |
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8234 |
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Author |
Ghislain Picard, Laurent Arnaud, Jean-Michel Panel, Samuel Morin |
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Title |
Design of a scanning laser meter for monitoring the spatio-temporal evolution of snow depth and its application in the Alps and in Antarctica |
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2016 |
Publication |
The Cryosphere |
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Volume |
10 |
Issue |
4 |
Pages |
1495-1511 |
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1110 |
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1994-0416 |
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8233 |
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Title |
Low Cost and Compact FMCW 24 GHz Radar Applications for Snowpack and Ice Thickness Measurements |
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Year |
2020 |
Publication |
Sensors |
Abbreviated Journal |
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Volume |
20 |
Issue |
14 |
Pages |
3909 |
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Keywords |
Antarctica Arctic snow tundra Frequency-Modulated Continuous-Wave (FMCW) radar lake ice thickness snow boreal forest snow density snow monitoring snow water equivalent snow wetness subarctic snow taiga |
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1110 |
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8232 |
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