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Lagrangian transport by vertically confined internal gravity wavepackets

Abstract:

We examine the flows induced by horizontally modulated, vertically confined (or guided), internal wavepackets in a stratified, Boussinesq fluid. The wavepacket induces both an Eulerian flow and a Stokes drift, which together determine the Lagrangian transport of passive tracers. We derive equations describing the wave-induced flows in arbitrary stable stratification and consider four special cases: a two-layer fluid, symmetric and asymmetric piecewise constant (‘top-hat’) stratification and, ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1017/jfm.2019.30

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Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Oxford college:
Worcester College
Role:
Author
ORCID:
0000-0001-6154-3357
Publisher:
Cambridge University Press
Journal:
Journal of Fluid Mechanics More from this journal
Volume:
864
Pages:
348-380
Publication date:
2019-02-07
Acceptance date:
2018-12-27
DOI:
EISSN:
1469-7645
ISSN:
0022-1120
Pubs id:
pubs:954973
UUID:
uuid:c7207428-fd7a-4dd0-b041-4ba0c7a02e15
Local pid:
pubs:954973
Source identifiers:
954973
Deposit date:
2018-12-28

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