(Table 1) GRACE-derived mass balance of the Greenland ice sheet 2002-2010, supplement to: Bergmann, Inga; Ramillien, Guillaume; Frappart, Frédéric (2012): Climate-driven interannual ice mass evolution in Greenland. Global and Planetary Change, 82-83, 1-11
We re-evaluate the Greenland mass balance for the recent period using low-pass Independent Component Analysis (ICA) post-processing of the Level-2 GRACE data (2002-2010) from different official providers (UTCSR, JPL, GFZ) and confirm the present important ice mass loss in the range of -70 and -90 Gt...
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ftdatacite:10.1594/pangaea.807498 2023-05-15T16:26:18+02:00 (Table 1) GRACE-derived mass balance of the Greenland ice sheet 2002-2010, supplement to: Bergmann, Inga; Ramillien, Guillaume; Frappart, Frédéric (2012): Climate-driven interannual ice mass evolution in Greenland. Global and Planetary Change, 82-83, 1-11 Bergmann, Inga Ramillien, Guillaume Frappart, Frédéric 2012 text/tab-separated-values https://dx.doi.org/10.1594/pangaea.807498 https://doi.pangaea.de/10.1594/PANGAEA.807498 en eng PANGAEA - Data Publisher for Earth & Environmental Science https://dx.doi.org/10.1016/j.gloplacha.2011.11.005 https://dx.doi.org/10.1029/2008jb006239 https://dx.doi.org/10.1126/science.1129007 https://dx.doi.org/10.1029/2010jb007789 https://dx.doi.org/10.1126/science.1130776 https://dx.doi.org/10.1016/j.gloplacha.2006.06.003 https://dx.doi.org/10.1029/2009gl040222 https://dx.doi.org/10.1029/2005gl023955 https://dx.doi.org/10.1038/nature05168 https://dx.doi.org/10.1029/2008gl034816 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 CC-BY Reference/source Description Date/time start Date/time end Mass balance Standard deviation GRACE satellite data, processed GeoForschungszentrum Potsdam GFZ International Polar Year 2007-2008 IPY Dataset dataset Supplementary Dataset 2012 ftdatacite https://doi.org/10.1594/pangaea.807498 https://doi.org/10.1016/j.gloplacha.2011.11.005 https://doi.org/10.1029/2008jb006239 https://doi.org/10.1126/science.1129007 https://doi.org/10.1029/2010jb007789 https://doi.org/10.1126/science.1130776 ht 2022-02-09T11:51:20Z We re-evaluate the Greenland mass balance for the recent period using low-pass Independent Component Analysis (ICA) post-processing of the Level-2 GRACE data (2002-2010) from different official providers (UTCSR, JPL, GFZ) and confirm the present important ice mass loss in the range of -70 and -90 Gt/y of this ice sheet, due to negative contributions of the glaciers on the east coast. We highlight the high interannual variability of mass variations of the Greenland Ice Sheet (GrIS), especially the recent deceleration of ice loss in 2009-2010, once seasonal cycles are robustly removed by Seasonal Trend Loess (STL) decomposition. Interannual variability leads to varying trend estimates depending on the considered time span. Correction of post-glacial rebound effects on ice mass trend estimates represents no more than 8 Gt/y over the whole ice sheet. We also investigate possible climatic causes that can explain these ice mass interannual variations, as strong correlations between GRACE-based mass balance and atmosphere/ocean parallels are established: (1) changes in snow accumulation, and (2) the influence of inputs of warm ocean water that periodically accelerate the calving of glaciers in coastal regions and, feed-back effects of coastal water cooling by fresh currents from glaciers melting. These results suggest that the Greenland mass balance is driven by coastal sea surface temperature at time scales shorter than accumulation. : Data extracted in the frame of a joint ICSTI/PANGAEA IPY effort, see http://doi.pangaea.de/10.1594/PANGAEA.150150 Dataset Greenland Ice Sheet International Polar Year IPY DataCite Metadata Store (German National Library of Science and Technology) Greenland Guillaume ENVELOPE(70.150,70.150,-49.350,-49.350) Inga ENVELOPE(34.363,34.363,67.123,67.123) |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
Reference/source Description Date/time start Date/time end Mass balance Standard deviation GRACE satellite data, processed GeoForschungszentrum Potsdam GFZ International Polar Year 2007-2008 IPY |
spellingShingle |
Reference/source Description Date/time start Date/time end Mass balance Standard deviation GRACE satellite data, processed GeoForschungszentrum Potsdam GFZ International Polar Year 2007-2008 IPY Bergmann, Inga Ramillien, Guillaume Frappart, Frédéric (Table 1) GRACE-derived mass balance of the Greenland ice sheet 2002-2010, supplement to: Bergmann, Inga; Ramillien, Guillaume; Frappart, Frédéric (2012): Climate-driven interannual ice mass evolution in Greenland. Global and Planetary Change, 82-83, 1-11 |
topic_facet |
Reference/source Description Date/time start Date/time end Mass balance Standard deviation GRACE satellite data, processed GeoForschungszentrum Potsdam GFZ International Polar Year 2007-2008 IPY |
description |
We re-evaluate the Greenland mass balance for the recent period using low-pass Independent Component Analysis (ICA) post-processing of the Level-2 GRACE data (2002-2010) from different official providers (UTCSR, JPL, GFZ) and confirm the present important ice mass loss in the range of -70 and -90 Gt/y of this ice sheet, due to negative contributions of the glaciers on the east coast. We highlight the high interannual variability of mass variations of the Greenland Ice Sheet (GrIS), especially the recent deceleration of ice loss in 2009-2010, once seasonal cycles are robustly removed by Seasonal Trend Loess (STL) decomposition. Interannual variability leads to varying trend estimates depending on the considered time span. Correction of post-glacial rebound effects on ice mass trend estimates represents no more than 8 Gt/y over the whole ice sheet. We also investigate possible climatic causes that can explain these ice mass interannual variations, as strong correlations between GRACE-based mass balance and atmosphere/ocean parallels are established: (1) changes in snow accumulation, and (2) the influence of inputs of warm ocean water that periodically accelerate the calving of glaciers in coastal regions and, feed-back effects of coastal water cooling by fresh currents from glaciers melting. These results suggest that the Greenland mass balance is driven by coastal sea surface temperature at time scales shorter than accumulation. : Data extracted in the frame of a joint ICSTI/PANGAEA IPY effort, see http://doi.pangaea.de/10.1594/PANGAEA.150150 |
format |
Dataset |
author |
Bergmann, Inga Ramillien, Guillaume Frappart, Frédéric |
author_facet |
Bergmann, Inga Ramillien, Guillaume Frappart, Frédéric |
author_sort |
Bergmann, Inga |
title |
(Table 1) GRACE-derived mass balance of the Greenland ice sheet 2002-2010, supplement to: Bergmann, Inga; Ramillien, Guillaume; Frappart, Frédéric (2012): Climate-driven interannual ice mass evolution in Greenland. Global and Planetary Change, 82-83, 1-11 |
title_short |
(Table 1) GRACE-derived mass balance of the Greenland ice sheet 2002-2010, supplement to: Bergmann, Inga; Ramillien, Guillaume; Frappart, Frédéric (2012): Climate-driven interannual ice mass evolution in Greenland. Global and Planetary Change, 82-83, 1-11 |
title_full |
(Table 1) GRACE-derived mass balance of the Greenland ice sheet 2002-2010, supplement to: Bergmann, Inga; Ramillien, Guillaume; Frappart, Frédéric (2012): Climate-driven interannual ice mass evolution in Greenland. Global and Planetary Change, 82-83, 1-11 |
title_fullStr |
(Table 1) GRACE-derived mass balance of the Greenland ice sheet 2002-2010, supplement to: Bergmann, Inga; Ramillien, Guillaume; Frappart, Frédéric (2012): Climate-driven interannual ice mass evolution in Greenland. Global and Planetary Change, 82-83, 1-11 |
title_full_unstemmed |
(Table 1) GRACE-derived mass balance of the Greenland ice sheet 2002-2010, supplement to: Bergmann, Inga; Ramillien, Guillaume; Frappart, Frédéric (2012): Climate-driven interannual ice mass evolution in Greenland. Global and Planetary Change, 82-83, 1-11 |
title_sort |
(table 1) grace-derived mass balance of the greenland ice sheet 2002-2010, supplement to: bergmann, inga; ramillien, guillaume; frappart, frédéric (2012): climate-driven interannual ice mass evolution in greenland. global and planetary change, 82-83, 1-11 |
publisher |
PANGAEA - Data Publisher for Earth & Environmental Science |
publishDate |
2012 |
url |
https://dx.doi.org/10.1594/pangaea.807498 https://doi.pangaea.de/10.1594/PANGAEA.807498 |
long_lat |
ENVELOPE(70.150,70.150,-49.350,-49.350) ENVELOPE(34.363,34.363,67.123,67.123) |
geographic |
Greenland Guillaume Inga |
geographic_facet |
Greenland Guillaume Inga |
genre |
Greenland Ice Sheet International Polar Year IPY |
genre_facet |
Greenland Ice Sheet International Polar Year IPY |
op_relation |
https://dx.doi.org/10.1016/j.gloplacha.2011.11.005 https://dx.doi.org/10.1029/2008jb006239 https://dx.doi.org/10.1126/science.1129007 https://dx.doi.org/10.1029/2010jb007789 https://dx.doi.org/10.1126/science.1130776 https://dx.doi.org/10.1016/j.gloplacha.2006.06.003 https://dx.doi.org/10.1029/2009gl040222 https://dx.doi.org/10.1029/2005gl023955 https://dx.doi.org/10.1038/nature05168 https://dx.doi.org/10.1029/2008gl034816 |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/pangaea.807498 https://doi.org/10.1016/j.gloplacha.2011.11.005 https://doi.org/10.1029/2008jb006239 https://doi.org/10.1126/science.1129007 https://doi.org/10.1029/2010jb007789 https://doi.org/10.1126/science.1130776 ht |
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