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|a Recent contributions of glaciers and ice caps to sea level rise |h [electronic resource]. |
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|a [S.l.] : |b Macmillan Publishers Limited, |c 2012. |
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|a Nature Magazine Volume 000 Number 00. |
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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 Glaciers and ice caps (GICs) are important contributors to presentday
global mean sea level rise. Most previous global mass balance
estimates for GICs rely on extrapolation of sparse mass balance
measurements representing only a small fraction of the GIC
area, leaving their overall contribution to sea level rise unclear.
Here we show that GICs, excluding the Greenland and Antarctic
peripheral GICs, lost mass at a rate of 148630 Gt yr21 from
January 2003 to December 2010, contributing 0.4160.08mmyr21
to sea level rise. Our results are based on a global, simultaneous
inversion of monthly GRACE-derived satellite gravity fields, from
which we calculate the mass change over all ice-covered regions
greater in area than 100km2. The GIC rate for 2003–2010 is about
30 per cent smaller than the previous mass balance estimate that
most closely matches our study period. The high mountains of
Asia, in particular, show a mass loss of only 4620 Gt yr21 for
2003–2010, compared with 47–55 Gt yr21 in previously published
estimates. For completeness, we also estimate that the Greenland
and Antarctic ice sheets, including their peripheral GICs, contributed
1.0660.19mmyr21 to sea level rise over the same time
period. The total contribution to sea level rise from all ice-covered
regions is thus 1.4860.26mmyr21, which agrees well with independent
estimates of sea level rise originating from land ice loss and
other terrestrial sources. |
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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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|t Recent contributions of glaciers and ice caps to sea level rise |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15061919/00001 |y Click here for full text |
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|3 Host material |u http://www.nature.com/nature/journal/v482/n7386/full/nature10847.html |y Recent contributions of glaciers and ice caps to sea level rise |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/06/19/19/00001/FI15061919thm.jpg |
