Physics
Scientific paper
Oct 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30soce3w&link_type=abstract
Geophysical Research Letters, Volume 30, Issue 19, pp. OCE 3-1, CiteID 1982, DOI 10.1029/2003GL018119
Physics
15
Oceanography: Physical: Ice Mechanics And Air/Sea/Ice Exchange Processes, Oceanography: General: Arctic And Antarctic Oceanography, Oceanography: Physical: Instruments And Techniques
Scientific paper
The Fram Strait sea ice velocity was measured by means of a new method using moored Doppler Current Meters in the period 1996-2000. Almost 3 years of ice velocity observations near 79°N 5°W are analyzed. The average southward ice velocity was 0.16 m/s. The correlation between the ice velocity and the cross-strait sea level pressure (SLP) difference was R = 0.76 for daily means and R = 0.79 for monthly means. The same cross-strait SLP difference exhibits a positive trend since 1950 of 10% of the mean per decade. By a simple linear model we compute mean sea ice area flux to 850 000 km2/year for the period 1950-2000. Ice thickness, monitored by means of Upward Looking Sonars since 1990, is also discussed. The combined data gave a monthly ice volume flux of 200 km3 during the last decade with no significant trend.
Gammelsrød Tor
Widell Karolina
Østerhus Svein
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