Doppler-shifted inertial oscillations on a β plane

Zhai, X., Greatbatch, R.J. and Sheng, J. (2005) Doppler-shifted inertial oscillations on a β plane. Journal of Physical Oceanography, 35 (8). pp. 1480-1488. ISSN 0022-3670

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Abstract

On the spherical earth, and in the absence of a background flow, the poleward propagation of near-inertial oscillations is restricted by the turning latitude. A background flow, on the other hand, provides a way to increase the apparent frequency of near-inertial waves through Doppler shifting. In this note, it is shown that near-inertial oscillations can be advected to latitudes higher than their turning latitude. Associated with the poleward advection there is a squeezing of the meridional wavelength. A numerical model is used to verify this result. The squeezed inertial oscillations are vulnerable to nonlinear interactions, which could eventually lead to small-scale dissipation and mixing.

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Environmental Sciences
UEA Research Groups:	Faculty of Science > Research Groups > Marine and Atmospheric Sciences (former - to 2017) Faculty of Science > Research Groups > Meteorology, Oceanography and Climate Dynamics (former - to 2017) Faculty of Science > Research Groups > Climate, Ocean and Atmospheric Sciences (former - to 2017) Faculty of Science > Research Groups > Centre for Ocean and Atmospheric Sciences
Related URLs:	http://www.scopus.com/inward/record.url?...
Depositing User:	Pure Connector
Date Deposited:	24 Oct 2013 21:23
Last Modified:	24 Oct 2022 04:51
URI:	https://ueaeprints.uea.ac.uk/id/eprint/43808
DOI:	10.1175/JPO2764.1

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