Physics
Scientific paper
Mar 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30e..55s&link_type=abstract
Geophysical Research Letters, Volume 30, Issue 5, pp. 55-1, CiteID 1251, DOI 10.1029/2002GL016640
Physics
4
Information Related To Geographic Region: Arctic Region, Hydrology: Snow And Ice (1827), Oceanography: Physical: Ice Mechanics And Air/Sea/Ice Exchange Processes, Meteorology And Atmospheric Dynamics: Remote Sensing
Scientific paper
Several continuous observational datasets of Artic sea-ice concentration are currently available that cover the period since the advent of routine satellite observations. We report on a comparison of three sea-ice concentration datasets. These are the National Ice Center charts, and two passive microwave radiometer datasets derived using different approaches: the NASA team and Bootstrap algorithms. Empirical orthogonal function (EOF) analyses were employed to compare modes of variability and their consistency between the datasets. The analysis was motivated by the need for a reliable, realistic sea ice climatology for use in climate model simulations, for which both the variability and absolute values of extent and concentration are important. We found that, while there are significant discrepancies in absolute concentrations, the major modes of variability derived from all records were essentially the same.
Bamber Jonathan L.
Singarayer Joy S.
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