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Lagrangian transport by deep-water surface gravity wavepackets: effects of directional spreading and stratifcation

Abstract:

The Lagrangian mass transport by non-dissipating surface gravity wavepackets consists of the Stokes drift and the wave-induced return flow. We examine how directional spreading and density stratification affect this mass transport for an isolated non-dissipating wavepacket in deep water using a perturbation expansion. For an unstratified ocean, we show that the net displacement by the return flow is finite, negative, the same at all vertical levels and inversely proportional to the depth for ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1017/jfm.2019.877

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Oxford college:
Worcester College
Role:
Author
ORCID:
0000-0001-6154-3357
Publisher:
Cambridge University Press Publisher's website
Journal:
Journal of Fluid Mechanics Journal website
Volume:
883
Article number:
A42
Publication date:
2019-11-28
Acceptance date:
2019-10-08
DOI:
EISSN:
1469-7645
ISSN:
0022-1120
Source identifiers:
1061717
Language:
English
Keywords:
Pubs id:
pubs:1061717
UUID:
uuid:38c8eeda-b52a-4f59-9a20-7e8a068b00f7
Local pid:
pubs:1061717
Deposit date:
2019-10-12

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