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Author |
Le Quere, C.; Rodenbeck, C.; Buitenhuis, E.T.; Conway, T.J.; Langenfelds, R.; Gomez, A.; Labuschagne, C.; Ramonet, M.; Nakazawa, T.; Metzl, N.; Gillett, N.; Heimann, M. |
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Title |
Saturation of the Southern Ocean CO2 Sink Due to Recent Climate Change |
Type |
Book Chapter |
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Year |
2007 |
Publication |
Science |
Abbreviated Journal |
Science |
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Volume |
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Issue |
5832 |
Pages |
1735-1738 |
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Abstract |
Based on observed atmospheric CO2 concentration and an inverse method, we estimate that the Southern Ocean sink of CO2 has weakened between 1981 and 2004 by 0.08 PgC/y per decade relative to the trend expected from the large increase in atmospheric CO2. This weakening is attributed to the observed increase in Southern Ocean winds resulting from human activities and projected to continue in the future. Consequences include a reduction in the efficiency of the Southern Ocean sink of CO2 in the short term (~25 years) and possibly a higher level of stabilization of atmospheric CO2 on a multicentury time scale. |
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Programme |
416;439 |
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Bachelor's thesis |
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0036-8075 |
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yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
5586 |
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Title |
Senescence rates are determined by ranking on the fast-slow life history continuum |
Type |
Journal Article |
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Year |
2008 |
Publication |
ECOLOGY LETTERS |
Abbreviated Journal |
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Volume |
11 |
Issue |
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Pages |
664-673 |
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Programme |
109 |
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Thesis |
Bachelor's thesis |
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ISSN |
1461-023X |
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yes |
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Call Number |
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Serial |
5694 |
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Author |
Roy Jean-Claude |
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Title |
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Type |
Book Whole |
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Year |
2009 |
Publication |
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Abbreviated Journal |
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Volume |
Tome 1 |
Issue |
en 2 volumes |
Pages |
250 p. , 119 figs. pleine p. h. t., pl., CD-Rom |
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Abstract |
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Programme |
1005 |
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Thesis |
Bachelor's thesis |
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yes |
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Call Number |
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Serial |
5741 |
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Author |
Santin-Janin H., Garel M., Chapuis J.-L., Pontier D. |
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Title |
Assessing the performance of NDVI as a proxy of plant biomass using non-linear models: a case study on the Kerguelen archipelago. |
Type |
Journal Article |
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Year |
2009 |
Publication |
POLAR BIOLOGY |
Abbreviated Journal |
Polar Biol. |
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Volume |
32 (6) |
Issue |
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Pages |
861-871 |
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Abstract |
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Programme |
136;279 |
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Thesis |
Bachelor's thesis |
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Edition |
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ISSN |
0722-4060 |
ISBN |
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Approved |
yes |
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Call Number |
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Serial |
5795 |
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Author |
Schlosser, E; Oerter, H; Masson-Delmotte, V; Reijmer, C, 2008 |
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Title |
Atmospheric influence on the deuterium excess signal in polar firn: implications for ice-core interpretation |
Type |
Journal Article |
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Year |
2008 |
Publication |
JOURNAL OF GLACIOLOGY |
Abbreviated Journal |
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Volume |
54 (184):117-124 2008 |
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Pages |
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Abstract |
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Programme |
454 |
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Thesis |
Bachelor's thesis |
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Edition |
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ISSN |
0022-1430 |
ISBN |
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Notes |
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Approved |
yes |
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Call Number |
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Serial |
5910 |
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Author |
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Title |
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Type |
Journal Article |
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Year |
2009 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
41 |
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Abstract |
An article about the anthropological research about Siberia in France since the bigenning of the XX century. website of the journal: http://histoire-cnrs.revues.org/ |
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Programme |
1024 |
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Campaign |
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Thesis |
Bachelor's thesis |
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ISSN |
1955-2408 |
ISBN |
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Approved |
yes |
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Call Number |
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Serial |
5914 |
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Author |
Dettai A., Lautredou A.-C., Bonillo C., Duhamel G., Iglesias S., Cruaud C., Couloux A., Rey O., Pruvost P., Causse R., Koubbi P., Lecointre G. & C. Ozouf-Costaz |
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Title |
The teleost diversity of the CEAMARC cruises : barcoding as a multi level tool for new findings. |
Type |
Conference - International - Communication |
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Year |
2009 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
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Abstract |
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Programme |
1124;1142 |
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Corporate Author |
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Thesis |
Bachelor's thesis |
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Notes |
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Approved |
yes |
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Call Number |
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Serial |
5950 |
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Author |
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Title |
Pros and cons of using seabirds as ecological indicators |
Type |
Journal Article |
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Year |
2009 |
Publication |
CLIMATE RESEARCH |
Abbreviated Journal |
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Volume |
39 |
Issue |
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Pages |
115-129 |
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Keywords |
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Abstract |
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Programme |
109;452 |
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Address |
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Corporate Author |
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Thesis |
Bachelor's thesis |
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Series Issue |
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Edition |
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ISSN |
0936-577X |
ISBN |
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Notes |
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Approved |
yes |
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Call Number |
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Serial |
6028 |
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Author |
Bost, C.A.; Cott, C.; Bailleul, F.; Cherel, Y.; Charrassin, J.B.; Guinet, C.; Ainley, D.G.; Weimerskirch, H. |
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Title |
The importance of oceanographic fronts to marine birds and mammals of the southern oceans |
Type |
Journal Article |
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Year |
2009 |
Publication |
Journal of Marine Systems |
Abbreviated Journal |
Special Issue on Observational Studies of Oceanic Fronts |
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Volume |
78 |
Issue |
3 |
Pages |
363-376 |
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Keywords |
Seabird; Sea mammals; Fronts; Foraging strategies; Bio-logging |
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Abstract |
During the last 30years, at-sea studies of seabirds and marine mammals in the oceans south of the Subtropical Front have described an association with major frontal areas. More recently, the advancement in microtechnology has allowed the tracking of individuals and investigations into how these marine predators actually use the frontal zones. In this review, we examine 1) the relative importance to apex predators of the different frontal zones in terms of spatial distribution and carbon flux; 2) the processes that determine their preferential use; and 3) how the mesoscale dynamics of frontal structures drive at-sea foraging strategies of these predators. We review published results from southern waters and place them in a broader context with respect to what has been learned about the importance of fronts in oceans farther north.
Some fronts constitute important boundaries for seabird communities in southern waters. At a mesoscale the maximum values of seabird diversity and abundance correspond to the location of the main fronts. At-sea surveys show a strong curvilinear correlation between seabird abundance and sea surface temperatures. High mean species richness and diversity for whales and seabirds are consistently associated with the southern water mass boundary of the Antarctic Circumpolar Current, the Subtropical Front and the Subantarctic Front; in the case of the Polar Front mean seabird densities are more variable. At small-scales, variation in seabird occurrence has been directly related to the processes at fronts in a limited number of cases. A significant positive relation was found between some plankton feeding species and frontal temperature gradient-phytoplankton variables.
Telemetric studies have revealed that several apex predators (penguins, albatrosses, seals) perform long, directed foraging trips either to the Subtropical front or Polar Front, depending on locality. Seabirds with low flight costs, such as albatrosses, are able to reach fronts at long distances from colonies, showing variable foraging strategies as a function of the distances involved. Diving birds such as King penguins, that travel at a higher cost and lower speed, rely on the predictable spatial distribution of mesopelagic fish found close to the Polar Front. They may use the currents associated with eddies as oceanographic cues in the active search for frontal zones. Once in these areas they dive preferentially in and below the depth of the thermocline where catches per unit effort are high. Elephant seals concentrate foraging activity principally inside or at the boundary of cyclonic eddies. These mesoscale features appear to offer exceptional productivity favourable for foraging by various diving top predators.
The connection between biophysical parameters at fronts and predators is likely to be made through biological enhancement. Top predators appear to forage at locations where prey are advected by physical processes and others where prey are produced locally. Long-term research on at-sea distributions and demographic parameters of top predators are essential to assess the consequences of potential shift in front distributions in relation to global warming. Such environmental changes would add to the impact of fish extraction by the industrial fisheries on the southern food webs. |
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Programme |
109; 394 |
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Campaign |
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Address |
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Corporate Author |
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Thesis |
Bachelor's thesis |
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Place of Publication |
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Language |
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Summary Language |
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Series Editor |
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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 |
0924-7963 |
ISBN |
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Notes |
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Approved |
yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
6049 |
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Author |
RICAUD Philippe, GABARD Benjamin, DERRIEN Sol, CHABOUREAU Jean-Pierre, ROSE Thomas, MOMBAUER Andreas, CZEKALA Harald, |
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Title |
HAMSTRAD-Tropo, A 183-GHz Radiometer Dedicated to Sound Tropospheric Water Vapor Over Concordia Station, Antarctica |
Type |
Journal Article |
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Year |
2010 |
Publication |
IEEE transactions on geoscience and remote sensing |
Abbreviated Journal |
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Volume |
48 |
Issue |
3 |
Pages |
16 |
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Keywords |
Atmospheric measurements, humidity measurement, microwave measurements, microwave radiometry, Europe, Europe, Western Europe, Europe Ouest, polar regions, R, France, France, Antarctica, Antarctique, radiometry, Radiom, atmosphere, Atmosph, models, Mod, sounding, Sondage, humidity, Humidit, accuracy, Pr, temperature, Temp, oxygen, Oxyg, technology, Technologie, domes, Dome, programs, Programme, microwaves, Hyperfr, water vapor, Vapeur eau, |
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Abstract |
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Programme |
910 |
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Address |
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Corporate Author |
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Thesis |
Bachelor's thesis |
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Publisher |
Institute of Electrical and Electronics Engineers |
Place of Publication |
New York, NY, ETATS-UNIS |
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Edition |
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ISSN |
0196-2892 |
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Approved |
yes |
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Call Number |
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Serial |
50 |
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