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Use constraints
Using this graphic and referring to it is encouraged, and please use it in presentations, web pages, newspapers, blogs and reports. For any form of publication, please include the link to this page and give the cartographer/designer credit (in this case Hugo Ahlenius, UNEP/GRID-Arendal)
Source(s)
Data from the World Glacier Monitoring Service, Zurich, Switzerland
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Uploaded on Tuesday 21 Feb 2012
by GRID-Arendal
Mass balance reference glaciers in nine mountain ranges
Year:
2007
Author:
Hugo Ahlenius, UNEP/GRID-Arendal
Description:
Thirty reference glaciers with almost continuous
mass balance measurements since 1975
show an average annual mass loss of 0.58 m water
equivalent for the past decade (1996–2005), which is
more than twice the loss rate of the period 1986–1995
(0.25 m), and more than four times the rate of the
period 1976–1985 (0.14 m). The results from these
30 continuous mass balance series correspond well to
estimates based on a larger sample of more than 300
glaciers, including short and discontinuous series.
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