Free surface, current profile and buoyancy effects upon internal wave energy flux profiles in sill regions

Xing, Jiuxing; Davies, Alan M.; Berntsen, Jarle. 2009 Free surface, current profile and buoyancy effects upon internal wave energy flux profiles in sill regions. Mathematics and Computers in Simulation, 80 (4). 786-793. https://doi.org/10.1016/j.matcom.2009.08.027

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Abstract/Summary

A non-hydrostatic ocean circulation model is used to determine the distribution of the horizontal energy flux terms due to internal waves in sill regions. Calculations show that although the linear energy flux term is significant, the contribution from the non-linear terms is appreciable. In addition, unlike as is often assumed in deep ocean situations, the free surface contribution to the energy flux distribution often dominates. The magnitude and relative importance of the energy flux terms are influenced by how the fluctuating velocity due to internal waves is computed. In addition changes in vertical stratification affects the relative contribution of the energy flux terms although the free surface term still dominates. Crown Copyright (C) 2009 Published by Elsevier B.V. on behalf of IMACS. All rights reserved.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1016/j.matcom.2009.08.027
Programmes:	Oceans 2025 > Shelf and coastal processes
ISSN:	0378-4754
Additional Keywords:	INTERNAL WAVES; ENERGY FLUX; SHALLOW SEAS; OCEAN; CHANNEL
NORA Subject Terms:	Marine Sciences
Date made live:	21 Jun 2010 11:13 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/9784

Item Type:

Publication - Article

Digital Object Identifier (DOI):

https://doi.org/10.1016/j.matcom.2009.08.027

Programmes:

Oceans 2025 > Shelf and coastal processes

ISSN:

0378-4754

Additional Keywords:

INTERNAL WAVES; ENERGY FLUX; SHALLOW SEAS; OCEAN; CHANNEL

NORA Subject Terms:

Marine Sciences