Computer Science – Sound
Scientific paper
Oct 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007georl..3419501k&link_type=abstract
Geophysical Research Letters, Volume 34, Issue 19, CiteID L19501
Computer Science
Sound
4
Cryosphere: Sea Ice (4540), Oceanography: General: Arctic And Antarctic Oceanography (9310, 9315), Cryosphere: Dynamics, Cryosphere: Mass Balance (1218, 1223), Cryosphere: Remote Sensing
Scientific paper
Multiyear estimates of sea ice drift in Baffin Bay and Davis Strait are derived for the first time from the 89 GHz channel of the AMSR-E instrument. Uncertainties in the drift estimates, assessed with Envisat ice motion, are ~2-3 km/day. A persistent atmospheric trough, between the coast of Greenland and Baffin Island, drives the prevailing southward drift pattern with average daily displacements in excess of 18-20 km during winter. Over the 5-year record, the ice export ranges between 360 and 675 × 103 km2, with an average of 530 × 103 km2. Sea ice area inflow from the Nares Strait, Lancaster Sound and Jones Sound potentially contribute up to a third of the net area outflow while ice production at the North Water Polynya contributes the balance. Rough estimates of annual volume export give ~500-800 km3. Comparatively, these are ~70% and ~30% of the annual area and volume exports at the Fram Strait.
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