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|a Increasing rates of ice mass loss from the Greenland and Antarctic ice sheets revealed by GRACE |h [electronic resource]. |
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|a [S.l.] : |b American Geophysical Union, |c 2009. |
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|a Geophysical Research Letters, Volume 36 |y English. |
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|a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights. |
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|a We use monthly measurements of time-variable gravity
from the GRACE (Gravity Recovery and Climate
Experiment) satellite gravity mission to determine the ice
mass-loss for the Greenland and Antarctic Ice Sheets during
the period between April 2002 and February 2009. We find
that during this time period the mass loss of the ice sheets
is not a constant, but accelerating with time, i.e., that the
GRACE observations are better represented by a quadratic
trend than by a linear one, implying that the ice sheets
contribution to sea level becomes larger with time. In
Greenland, the mass loss increased from 137 Gt/yr in
2002–2003 to 286 Gt/yr in 2007–2009, i.e., an acceleration
of 30 ± 11 Gt/yr2 in 2002–2009. In Antarctica the mass
loss increased from 104 Gt/yr in 2002–2006 to 246 Gt/yr
in 2006–2009, i.e., an acceleration of 26 ± 14 Gt/yr2 in
2002–2009. The observed acceleration in ice sheet mass
loss helps reconcile GRACE ice mass estimates obtained
for different time periods. |
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|a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|a. |z GRACE (Artificial satellites) |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15062072/00001 |y Click here for full text |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/06/20/72/00001/FI15062072_thm.jpg |
