Articles | Volume 10, issue 5
The Cryosphere, 10, 1933–1946, 2016
https://doi.org/10.5194/tc-10-1933-2016

Special issue: Mass balance of the Greenland Ice Sheet

The Cryosphere, 10, 1933–1946, 2016
https://doi.org/10.5194/tc-10-1933-2016

Research article 06 Sep 2016

Research article | 06 Sep 2016

On the recent contribution of the Greenland ice sheet to sea level change

Michiel R. van den Broeke et al.

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AR by Michiel van den Broeke on behalf of the Authors (10 Aug 2016)  Author's response    Manuscript
ED: Publish as is (19 Aug 2016) by Marco Tedesco
AR by Michiel van den Broeke on behalf of the Authors (19 Aug 2016)  Author's response    Manuscript
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Short summary
We present recent (1958–2015) mass balance time series for the Greenland ice sheet. We show that recent mass loss is caused by a combination of increased surface meltwater runoff and solid ice discharge. Most meltwater above 2000 m a.s.l. refreezes in the cold firn and does not leave the ice sheet, but this goes at the expense of firn heating and densifying. In spite of a temporary rebound in 2013, it appears that the ice sheet remains in a state of persistent mass loss.