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Evidence for a recent change in the link between the North Atlantic Oscillation and Arctic Sea ice export
Author(s) -
Hilmer Michael,
Jung Thomas
Publication year - 2000
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/1999gl010944
Subject(s) - north atlantic oscillation , climatology , sea ice , arctic , arctic ice pack , arctic sea ice decline , oceanography , arctic dipole anomaly , geology , the arctic , zonal and meridional , period (music) , arctic oscillation , drift ice , physics , acoustics
Evidence for a recent change in the link between the North Atlantic Oscillation (NAO) and Arctic sea ice export through Fram Strait during wintertime (DJFM) is presented from the analysis of simulated Arctic sea ice and observations for the period 1958–1997. Whereas no correlation between the two time series is found from 1958 to 1977 (r=0.1), the correlation increased significantly thereafter (r=0.7, 1978–1997). The increased coherency between the NAO and Arctic sea ice export through Fram Strait during the last two decades resulted from anomalous meridional wind components near Fram Strait which were associated with the more easterly position of the NAO's centers of interannual variability compared to 1958–1977.