Physics
Scientific paper
Apr 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009georl..3607501h&link_type=abstract
Geophysical Research Letters, Volume 36, Issue 7, CiteID L07501
Physics
13
Cryosphere: Glaciers, Cryosphere: Mass Balance (1218, 1223), Global Change: Sea Level Change (1222, 1225, 4556), Global Change: Earth System Modeling (1225), Cryosphere: Modeling
Scientific paper
The Intergovernmental Panel on Climate Change (IPCC) estimates that the sum of all contributions to sea-level rise for the period 1961-2004 was 1.1 ± 0.5 mm a-1, leaving 0.7 ± 0.7 of the 1.8 ± 0.5 mm a-1 observed sea-level rise unexplained. Here, we compute the global surface mass balance of all mountain glaciers and ice caps (MG&IC), and find that part of this much-discussed gap can be attributed to a larger contribution than previously assumed from mass loss of MG&IC, especially those around the Antarctic Peninsula. We estimate global surface mass loss of all MG&IC as 0.79 ± 0.34 mm a-1 sea-level equivalent (SLE) compared to IPCC's 0.50 ± 0.18 mm a-1. The Antarctic MG&IC contributed 28% of the global estimate due to exceptional warming around the Antarctic Peninsula and high sensitivities to temperature similar to those we find in Iceland, Patagonia and Alaska.
de Woul Mattias
Dyurgerov Mark
Hock Regine
Radić Valentina
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