Other
Scientific paper
Jul 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011georl..3814606p&link_type=abstract
Geophysical Research Letters, Volume 38, Issue 14, CiteID L14606
Other
Oceanography: General: Arctic And Antarctic Oceanography (9310, 9315), Oceanography: Physical: Air/Sea Interactions (0312, 3339), Oceanography: Physical: General Circulation (1218, 1222)
Scientific paper
A sub-monthly mode of non-tidal variability of ocean bottom pressure (OBP) is observed in a 5-year record of deep-sea bottom pressure at the North Pole. OBP records from other regions in the Arctic show that the North Pole non-tidal mass fluctuation is part of a non-propagating basin-coherent variation that is well represented by the ice-ocean model PIOMAS, with a basin-averaged winter-only RMS of 3.3 cm. Wavelet analysis of the modeled OBP shows that the basin-averaged mass variations are non-stationary and only significant during the winter. The basin-averaged OBP is strongly related to the meridional wind component over the Nordic Seas. The ocean response is consistent with episodic wind forcing driving a northward geostrophic slope current. The mass transport anomaly associated with the mode is significant relative to the annual net mean flow.
Morison James H.
Peralta-Ferriz Cecilia
Wallace John M.
Zhang Jinlun
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