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Author |
Andersen, O.B.; Hinderer, J. |
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Title |
Global inter-annual gravity changes from GRACE: Early results |
Type |
Journal Article |
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Year |
2005 |
Publication |
Geophysical research letters |
Abbreviated Journal |
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Volume  |
32 |
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Keywords |
1217 Geodesy and Gravity: Time variable gravity; 1855 Hydrology: Remote sensing; 1640 Global Change: Remote sensing; 1655 Global Change: Water cycles |
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Abstract |
Fifteen monthly gravity field solutions from the GRACE twin satellites launched more than two years ago have been studied to estimate gravity field changes between 2002 and 2003.The results demonstrate that GRACE is capable of capturing the changes in ground water on inter-annual scales with an accuracy of 0.4 ?Gal corresponding to 9 mm water thickness on spatial scales longer than 1300 km. Four of the most widely used global hydrological models have been investigated for their spatial comparison with GRACE observations of inter-annual gravity field variations due to changes in continental water storage. The Global Land Data Assimilation System model has a spatial correlation coefficient with GRACE observations of 0.65 over the northern hemisphere. This demonstrates that the observed gravity field changes on these scales are largely related to changes in continental water storage. |
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337 |
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American Geophysical Union |
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0094-8276 |
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yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
5596 |
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Author |
Andersen, O.B.; Seneviratne, S.I.; Hinderer, J.; Viterbo, P. |
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Title |
GRACE-derived terrestrial water storage depletion associated with the 2003 European heat wave |
Type |
Journal Article |
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Year |
2005 |
Publication |
Geophysical research letters |
Abbreviated Journal |
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Volume |
32 |
Issue |
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Pages |
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Keywords |
1640 Global Change: Remote sensing; 1655 Global Change: Water cycles; 1836 Hydrology: Hydrological cycles and budgets; 1812 Hydrology: Drought |
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Abstract |
The GRACE twin satellites reveal large inter-annual terrestrial water-storage variations between 2002 and 2003 for central Europe. GRACE observes a negative trend in regional water storage from 2002 to 2003 peaking at ?7.8 cm in central Europe with an accuracy of 1 cm. The 2003 excess terrestrial water storage depletion observed from GRACE can be related to the record-breaking heat wave that occurred in central Europe in 2003. We validate the measurements from GRACE using two independent hydrological estimates and direct gravity observations from superconducting gravimeters in Europe. All datasets agree well with the GRACE measurements despite the disparity of the employed information; the difference between datasets tends to be within GRACE margin of error. The April-to-August terrestrial water storage depletion is found to be significantly larger in 2003 than in 2002 from both models and observations. |
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337 |
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American Geophysical Union |
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0094-8276 |
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yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
5597 |
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Author |
Martin A.R., Poncet S., Barbraud C., Foster E., Fretwell P., Rothery P. |
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Title |
The white-chinned petrel (Procellaria aequinoctialis) on South Georgia: population size, distribution and global significance |
Type |
Journal Article |
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Year |
2009 |
Publication |
POLAR BIOLOGY |
Abbreviated Journal |
Polar Biol. |
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Volume |
32 |
Issue |
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Pages |
655-661 |
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109 |
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0722-4060 |
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yes |
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Serial |
5722 |
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Author |
Jouventin, P. Couchoux, C. Dobson, F. S. |
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Title |
UV signals in penguins |
Type |
Journal Article |
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Year |
2009 |
Publication |
POLAR BIOLOGY |
Abbreviated Journal |
Polar Biol. |
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Volume |
32 |
Issue |
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Pages |
513-514 |
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354 |
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0722-4060 |
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yes |
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Serial |
5736 |
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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) |
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Pages |
861-871 |
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Programme |
136;279 |
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Bachelor's thesis |
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0722-4060 |
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yes |
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Call Number |
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Serial |
5795 |
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Author |
Ancel A. & Beaulieu M. |
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Title |
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Type |
Journal Article |
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Year |
2009 |
Publication |
POLAR BIOLOGY |
Abbreviated Journal |
Polar Biol. |
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Volume |
32 |
Issue |
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Pages |
1091-1093 |
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137 |
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0722-4060 |
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yes |
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Serial |
5837 |
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Author |
Ann Marie Aglionby Harding, Carsten Egevang, Wojciech Walkusz, Flemming Merkel, Stephane Blanc & David Gremillet |
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Title |
Estimating prey capture rates of a planktivorous seabird, the little auk (Alle alle), using diet, diving behaviour, and energy consumption |
Type |
Journal Article |
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Year |
2009 |
Publication |
POLAR BIOLOGY |
Abbreviated Journal |
Polar Biol. |
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Volume |
32 |
Issue |
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Pages |
785-793 |
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388 |
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0722-4060 |
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yes |
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5845 |
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Author |
Van Vliet Lanoe B. |
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Title |
Pattern ground, hummocks, and holocene climate changes. |
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Journal Article |
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Year |
1998 |
Publication |
Eurasian soil science |
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Volume |
31 |
Issue |
5 |
Pages |
562-569 |
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316 |
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1064-2293 |
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yes |
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Serial |
435 |
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Author |
Vinokhodova A.G., Bystritskaya A.F., Rosnet E. & Cazes G. |
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Title |
Some features of group interaction and individual behaviour under the conditions of prolonged small group isolation. |
Type |
Journal Article |
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Year |
1997 |
Publication |
Aerospace and environmental medicine (russia) |
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31 |
Issue |
4 |
Pages |
20-23 |
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252 |
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493 |
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Author |
Duhamel G. |
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Title |
Exploratory longline fishing around the Kerguelen Islands(Division 58.5.1). Description of the fishing effort; Catchability and target size of Dissostichus eleginoides. |
Type |
Conference - International - Article with Reading Comitee |
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Year |
1993 |
Publication |
WG-FSA-92/31, CCAMLR Scientific Abstracts |
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Volume |
31 |
Issue |
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Programme |
180 |
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Bachelor's thesis |
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Call Number |
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Serial |
1218 |
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