Spectral description of oceanic near-surface variability

Elipot, Shane; Lumpkin, Rick. 2008 Spectral description of oceanic near-surface variability. Geophysical Research Letters, 35 (5). L05606.

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This paper provides a spectral description of near-surface oceanic velocity variability on a global scale. Rotary spectra of drifter velocities are estimated in zonal bands of the Indian, Pacific and Atlantic Oceans. The partition of energy between cyclonic and anticyclonic frequencies clearly identifies inertial oscillations at all latitudes. The meridional distribution of near-inertial energy is described in detail. The polarization of super-inertial energy is consistent with internal waves dynamics. Thus, the distribution of super-inertial energy may be a manifestation of freely propagating near-inertial waves on the β-plane.

Item Type: Publication - Article
Digital Object Identifier (DOI):
Programmes: POL Programmes
ISSN: 0094-8276
NORA Subject Terms: Marine Sciences
Date made live: 18 Sep 2012 14:30 +0 (UTC)

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