Sustained rapid shrinkage of Yukon glaciers since the 1957-1958 International Geophysical Year

Details Sustained rapid shrinkage of Yukon glaciers since the 1957-1958 International Geophysical Year Sustained rapid shrinkage of Yukon glaciers since the 1957-1958 International Geophysical Year

Apr 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010georl..3707501b&link_type=abstract

Geophysical Research Letters, Volume 37, Issue 7, CiteID L07501

Physics

1

Cryosphere: Glaciology (1621, 1827, 1863), Cryosphere: Remote Sensing, Cryosphere: Glaciers, Cryosphere: Mass Balance (1218, 1223)

Scientific paper

Glaciers in the Yukon, NW Canada, lost 22% of their surface area during the 50 years following the 1957-58 International Geophysical Year, coincident with increases in average winter and summer air temperatures and decreases in winter precipitation. Scaling these results to ice volume change, we obtain a total mass loss of 406 ± 177 Gt, which accounts for 1.12 ± 0.49 mm of global sea-level rise. Yukon glaciers thinned by 0.78 ± 0.34 m yr-1 water equivalent, a regional thinning rate exceeded only by mountain glaciers in Patagonia and Alaska. Our scaling analysis suggests the remaining glaciers have the capacity to contribute a further 5.02 mm to global sea-level rise.

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