Anomalous recent growth of part of a large Arctic ice cap: Austfonna, Svalbard

Details Anomalous recent growth of part of a large Arctic ice cap: Austfonna, Svalbard Anomalous recent growth of part of a large Arctic ice cap: Austfonna, Svalbard

Jun 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004georl..3112402b&link_type=abstract

Geophysical Research Letters, Volume 31, Issue 12, CiteID L12402

Physics

Geophysics

13

Exploration Geophysics: Remote Sensing, Hydrology: Glaciology (1863), Global Change: General Or Miscellaneous, Information Related To Geographic Region: Arctic Region

Scientific paper

Observations from repeat-pass airborne laser altimetry, acquired in 1996 and 2002, indicate an anomalous positive ice-surface elevation change for the central accumulation area of the largest ice cap in the Eurasian Arctic; Austfonna, eastern Svalbard. The increase is equivalent to 35% of the long-term annual accumulation rate and coincides with the loss of perennial sea ice in the adjacent Barents Sea, which we conclude is the most likely explanation for the increase. Extrapolation of the observed trends in sea ice decline, over the next 50 years, suggests large perturbations in the mass-balance of other Arctic ice masses may be expected.

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