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Long-term variability of oceanic frontal zones associated with large-scale atmospheric forcing

  • Marine Physics
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Oceanology Aims and scope

Abstract

Global satellite sea surface temperature (SST) measurements and NCEP/NCAR reanalysis wind data for the period of 1982–2009 have been used to study the relationship between long-term variability of oceanic frontal zones (OFZ) and large-scale atmospheric forcing. Statistically significant positive correlations between the maximum magnitude of the meridional gradient of zonally averaged SST and meridional shear of zonal wind (which is an estimate of the Ekman convergence intensity) were found for all subpolar and subtropical OFZ of the World Ocean. Variability of the latitudinal position of OFZ cores may be associated with Ekman advection variability due to zonal wind variations. Strengthening of zonal wind results in a shift of subpolar OFZ cores to the south/north in the Northern/Southern hemispheres.

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Authors and Affiliations

  1. Shirshov Institute of Oceanology, Moscow, Russia

    A. S. Kazmin

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  1. A. S. Kazmin
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Correspondence to A. S. Kazmin.

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Original Russian Text © A.S. Kazmin, 2016, published in Okeanologiya, 2016, Vol. 56, No. 2, pp. 197–202.

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Kazmin, A.S. Long-term variability of oceanic frontal zones associated with large-scale atmospheric forcing. Oceanology 56, 182–187 (2016). https://doi.org/10.1134/S0001437016020107

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  • DOI: https://doi.org/10.1134/S0001437016020107

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