Modification of Parametric Subharmonic Instability in the Presence of Background Geostrophic Currents

Modification of Parametric Subharmonic Instability in the Presence of Background Geostrophic Currents

Abstract Although various numerical experiments have been carried out to investigate the cascade of internal tide energy associated with parametric subharmonic instability (PSI), most of them assume idealized oceanic situations, ignoring the existence of background relative vorticity (ζ). Here we sh...

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Bibliographic Details
Main Authors: Wei Yang, Toshiyuki Hibiya, Yuki Tanaka, Liang Zhao, Hao Wei
Format: Article
Language:English
Published: Wiley 2018-12-01
Series:Geophysical Research Letters
Subjects:
parametric subharmonic instability
energy cascade
critical latitudes
background geostrophic currents
relative vorticity field
effective Coriolis frequency
Online Access:https://doi.org/10.1029/2018GL080183
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https://doi.org/10.1029/2018GL080183

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