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One-dimensional Modelling of Upper Ocean Mixing by Turbulence Due to Wave Orbital Motion : Volume 21, Issue 1 (27/02/2014)

By Ghantous, M.

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Book Id: WPLBN0003992053
Format Type: PDF Article :
File Size: Pages 14
Reproduction Date: 2015

Title: One-dimensional Modelling of Upper Ocean Mixing by Turbulence Due to Wave Orbital Motion : Volume 21, Issue 1 (27/02/2014)  
Author: Ghantous, M.
Volume: Vol. 21, Issue 1
Language: English
Subject: Science, Nonlinear, Processes
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2014
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Ghantous, M., & Babanin, A. V. (2014). One-dimensional Modelling of Upper Ocean Mixing by Turbulence Due to Wave Orbital Motion : Volume 21, Issue 1 (27/02/2014). Retrieved from http://hawaiilibrary.net/


Description
Description: Swinburne University of Technology, Hawthorn, Victoria, Australia. Mixing of the upper ocean affects the sea surface temperature by bringing deeper, colder water to the surface. Because even small changes in the surface temperature can have a large impact on weather and climate, accurately determining the rate of mixing is of central importance for forecasting. Although there are several mixing mechanisms, one that has until recently been overlooked is the effect of turbulence generated by non-breaking, wind-generated surface waves.

Lately there has been a lot of interest in introducing this mechanism into ocean mixing models, and real gains have been made in terms of increased fidelity to observational data. However, our knowledge of the mechanism is still incomplete. We indicate areas where we believe the existing parameterisations need refinement and propose an alternative one.

We use two of the parameterisations to demonstrate the effect on the mixed layer of wave-induced turbulence by applying them to a one-dimensional mixing model and a stable temperature profile. Our modelling experiment suggests a strong effect on sea surface temperature due to non-breaking wave-induced turbulent mixing.


Summary
One-dimensional modelling of upper ocean mixing by turbulence due to wave orbital motion

Excerpt
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