Large-scale surveys of snow depth on Arctic sea ice from Operation IceBridge

Details Large-scale surveys of snow depth on Arctic sea ice from Operation IceBridge Large-scale surveys of snow depth on Arctic sea ice from Operation IceBridge

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011georl..3820505k&link_type=abstract

Geophysical Research Letters, Volume 38, Issue 20, CiteID L20505

Mathematics

Logic

Cryosphere: Snow (1827, 1863), Cryosphere: Ponds, Cryosphere: Remote Sensing

Scientific paper

We show the first results of a large-scale survey of snow depth on Arctic sea ice from NASA's Operation IceBridge snow radar system for the 2009 season and compare the data to climatological snow depth values established over the 1954-1991 time period. For multiyear ice, the mean radar derived snow depth is 33.1 cm and the corresponding mean climatological snow depth is 33.4 cm. The small mean difference suggests consistency between contemporary estimates of snow depth with the historical climatology for the multiyear ice region of the Arctic. A 16.5 cm mean difference (climatology minus radar) is observed for first year ice areas suggesting that the increasingly seasonal sea ice cover of the Arctic Ocean has led to an overall loss of snow as the region has transitioned away from a dominantly multiyear ice cover.

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