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Author |
Massom R.A., Eicken H., Haas C., Jeffries M.O., Drinkwater M.R., Sturm M., Worby A.P. |
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Title |
Snow on Antarctic sea ice. |
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Journal Article |
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Year |
2001 |
Publication  |
Reviews of geophysics |
Abbreviated Journal |
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Volume |
39 |
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Pages |
413-445 |
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961 |
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8755-1209 |
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yes |
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2312 |
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Journal Article |
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Year |
2007 |
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Reviews of geophysics |
Abbreviated Journal |
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Volume |
45 |
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Keywords |
history; geomagnetism; paleomagnetism; 1599 Geomagnetism and Paleomagnetism: General or miscellaneous; 1714 History of Geophysics: Geomagnetism and paleomagnetism; 5440 Planetary Sciences: Solid Surface Planets: Magnetic fields and magnetism; 7999 Space Weather: General or miscellaneous; 9820 General or Miscellaneous: Techniques applicable in three or more fields |
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139 |
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American Geophysical Union |
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8755-1209 |
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yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
5486 |
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Title |
Ground-based measurements of spatial and temporal variability of snow accumulation in East Antarctica |
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Journal Article |
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Year |
2008 |
Publication |
Reviews of geophysics |
Abbreviated Journal |
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Volume |
46 |
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Keywords |
surface mass balance; East Antarctica; measurements; ground-truthing; 0762 Cryosphere: Mass balance; 0726 Cryosphere: Ice sheets; 0794 Cryosphere: Instruments and techniques; 9310 Geographic Location: Antarctica; 1621 Global Change: Cryospheric change |
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Abstract |
The East Antarctic Ice Sheet is the largest, highest, coldest, driest, and windiest ice sheet on Earth. Understanding of the surface mass balance (SMB) of Antarctica is necessary to determine the present state of the ice sheet, to make predictions of its potential contribution to sea level rise, and to determine its past history for paleoclimatic reconstructions. However, SMB values are poorly known because of logistic constraints in extreme polar environments, and they represent one of the biggest challenges of Antarctic science. Snow accumulation is the most important parameter for the SMB of ice sheets. SMB varies on a number of scales, from small-scale features (sastrugi) to ice-sheet-scale SMB patterns determined mainly by temperature, elevation, distance from the coast, and wind-driven processes. In situ measurements of SMB are performed at single points by stakes, ultrasonic sounders, snow pits, and firn and ice cores and laterally by continuous measurements using ground-penetrating radar. SMB for large regions can only be achieved practically by using remote sensing and/or numerical climate modeling. However, these techniques rely on ground truthing to improve the resolution and accuracy. The separation of spatial and temporal variations of SMB in transient regimes is necessary for accurate interpretation of ice core records. In this review we provide an overview of the various measurement techniques, related difficulties, and limitations of data interpretation; describe spatial characteristics of East Antarctic SMB and issues related to the spatial and temporal representativity of measurements; and provide recommendations on how to perform in situ measurements. |
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411;454 |
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American Geophysical Union |
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8755-1209 |
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yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
5492 |
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Title |
Achievements and Prospects of Global Broadband Seismographic Networks After 30 Years of Continuous Geophysical Observations |
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Journal |
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Year |
2022 |
Publication |
Reviews of Geophysics |
Abbreviated Journal |
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Volume |
60 |
Issue |
3 |
Pages |
e2021RG000749 |
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Abstract |
Global seismographic networks (GSNs) emerged during the late nineteenth and early twentieth centuries, facilitated by seminal international developments in theory, technology, instrumentation, and data exchange. The mid- to late-twentieth century saw the creation of the World-Wide Standardized Seismographic Network (1961) and International Deployment of Accelerometers (1976), which advanced global geographic coverage as seismometer bandwidth increased greatly allowing for the recording of the Earth's principal seismic spectrum. The modern era of global observations and rapid data access began during the 1980s, and notably included the inception of the GEOSCOPE initiative (1982) and GSN (1988). Through continual improvements, GEOSCOPE and the GSN have realized near-real time recording of ground motion with state-of-art data quality, dynamic range, and timing precision to encompass 180 seismic stations, many in very remote locations. Data from GSNs are increasingly integrated with other geophysical data (e.g., space geodesy, infrasound and Interferometric Synthetic Aperture Radar). Globally distributed seismic data are critical to resolving crust, mantle, and core structure; illuminating features of the plate tectonic and mantle convection system; rapid characterization of earthquakes; identification of potential tsunamis; global nuclear test verification; and provide sensitive proxies for environmental changes. As the global geosciences community continues to advance our understanding of Earth structure and processes controlling elastic wave propagation, GSN infrastructure offers a springboard to realize increasingly multi-instrument geophysical observatories. Here, we review the historical, scientific, and monitoring heritage of GSNs, summarize key discoveries, and discuss future associated opportunities for Earth Science. |
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Programme |
133 |
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ISSN |
1944-9208 |
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yes |
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Serial |
8559 |
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Author |
Jackson G, Bustamante P, Cherel Y, Fulton E, Grist E, Jackson C, Nichols P, Pethybridge H, Phillips K, Ward R, Xavier J, |
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Title |
Applying new tools to cephalopod trophic dynamics and ecology: perspectives from the Southern Ocean Cephalopod Workshop, February 23, 2006
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Type |
Journal Article |
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Year |
2007 |
Publication |
Reviews in Fish Biology and Fisheries |
Abbreviated Journal |
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Volume |
17 |
Issue |
2 |
Pages |
79-99 -99 |
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Keywords |
Biomedical and Life Sciences, |
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Abstract |
A two day workshop on Southern Ocean cephalopods was held in Hobart, Tasmania, Australia prior to the triennial 2006 Cephalopod International Advisory Council (CIAC) symposium. The workshop provided a second international forum to present the current state of research and new directions since the last Southern Ocean cephalopod meeting held in 1993. A major focus of the workshop was trophic ecology and the use of a variety of tools that can be applied in Southern Ocean trophic studies for both cephalopod and predator researchers. New tools that are being used as trophic indicators and tracers in food chain pathways include stable isotope, heavy metal and fatty acid signature analysis. Progress is also being made on understanding squid population dynamics in relation to other key components of the ecosystem by incorporating squid data in ecosystem models. Genetic barcoding is now of great value to fish taxonomy as well as other groups and it is expected that a cephalopod barcoding initiative will be an important tool for cephalopod taxonomy. There is a current initiative to produce a new cephalopod beak identification guide to assist predator biologists in identifying cephalopod prey items. There were also general discussions on specific taxonomic issues, Southern Ocean Cephalopod paralarvae and parasites, and suggestions for future CIAC workshop topics. |
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109 |
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Springer Netherlands |
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ISSN |
0960-3166 |
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yes |
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Serial |
1528 |
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Author |
Rousseau D.D., Schevin P., Duzer D., Cambon G., Ferrier J., Jolly D. & Poulsen U. |
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Title |
New evidence of long distance pollen transport to Southern Greenland in late Spring |
Type |
Book Chapter |
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Year |
2006 |
Publication |
Review of Paleobotany and Palynology |
Abbreviated Journal |
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Volume |
141 |
Issue |
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Pages |
277-286 |
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349 |
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Bachelor's thesis |
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yes |
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Serial |
3606 |
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Author |
Chapuis J.L., Frenot Y. & Lebouvier M. |
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Journal Article |
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Year |
2002 |
Publication |
Rev. Ecol. (Terre et Vie) Suppl. |
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Volume |
9 |
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121-130 |
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276;136 |
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yes |
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2485 |
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Author |
André F., P. Téchiné, G. Alory, J. Llido. |
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Title |
Bilan d'activités et prospectives du CDS-IS OMP |
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Non peer-reviewed symposium |
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2019 |
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688 |
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7798 |
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Author |
L Maccario, L Sanguino, TM Vogel, C Larose |
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Title |
Snow and ice ecosystems: not so extreme |
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Journal Article |
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Year |
2015 |
Publication |
Research in Microbiology |
Abbreviated Journal |
Res. Microbiol. |
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Volume |
166 |
Issue |
10 |
Pages |
782-795 |
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Abstract |
Snow and ice environments cover up to 21% of the Earth's surface. They have been regarded as extreme environments because of their low temperatures, high UV irradiation, low nutrients and low water availability, and thus, their microbial activity has not been considered relevant from a global microbial ecology viewpoint. In this review, we focus on why snow and ice habitats might not be extreme from a microbiological perspective. Microorganisms interact closely with the abiotic conditions imposed by snow and ice habitats by having diverse adaptations, that include genetic resistance mechanisms, to different types of stresses in addition to inhabiting various niches where these potential stresses might be reduced. The microbial communities inhabiting snow and ice are not only abundant and taxonomically diverse, but complex in terms of their interactions. Altogether, snow and ice seem to be true ecosystems with a role in global biogeochemical cycles that has likely been underestimated. Future work should expand past resistance studies to understanding the function of these ecosystems. |
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399 |
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0923-2508 |
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yes |
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6337 |
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Title |
Life in the cold: psychrophilic enzymes. |
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Journal Article |
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Year |
2002 |
Publication |
Res. devl. proteins |
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Volume |
1 |
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Pages |
13-26 |
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193 |
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2493 |
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