Numerical Simulation of Vertical Motions in the Black Sea for the Case of Constant Density

Numerical Simulation of Vertical Motions in the Black Sea for the Case of Constant Density The circulation of seawater of constant density under the action of stationary wind is reproduced by using a numerical dynamic model. The computational noise appears in the field of vertical velocities in the form of two-step waves. We carried out a series of numerical experiments with variable vertical resolution and the coefficient of horizontal turbulent viscosity. The improvement of resolution enabled us to give a correct description (both qualitative and quantitative) of the horizontal structure of vertical motions in the bottom layer and decreased the error in the field of vertical velocities at depths greater than 1000 m. We conclude that it is reasonable to take into account the dependence of the coefficient of horizontal turbulent viscosity on the vertical coordinate. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Oceanography Springer Journals

Numerical Simulation of Vertical Motions in the Black Sea for the Case of Constant Density

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Publisher
Springer Journals
Copyright
Copyright © 2003 by Plenum Publishing Corporation
Subject
Earth Sciences; Oceanography; Remote Sensing/Photogrammetry; Atmospheric Sciences; Climate Change; Environmental Physics
ISSN
0928-5105
eISSN
0928-5105
D.O.I.
10.1023/A:1022452905604
Publisher site
See Article on Publisher Site

Abstract

The circulation of seawater of constant density under the action of stationary wind is reproduced by using a numerical dynamic model. The computational noise appears in the field of vertical velocities in the form of two-step waves. We carried out a series of numerical experiments with variable vertical resolution and the coefficient of horizontal turbulent viscosity. The improvement of resolution enabled us to give a correct description (both qualitative and quantitative) of the horizontal structure of vertical motions in the bottom layer and decreased the error in the field of vertical velocities at depths greater than 1000 m. We conclude that it is reasonable to take into account the dependence of the coefficient of horizontal turbulent viscosity on the vertical coordinate.

Journal

Physical OceanographySpringer Journals

Published: Oct 20, 2004

References

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