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| Titel |
Modeling of the near-field distribution of pollutants coming from a coastal outfall |
| VerfasserIn |
T. P. Lyubimova, B. Roux, S. Luo, Y. N. Parshakova, N. S. Shumilova |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1023-5809
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| Digitales Dokument |
URL |
| Erschienen |
In: Nonlinear Processes in Geophysics ; 20, no. 2 ; Nr. 20, no. 2 (2013-04-26), S.257-266 |
| Datensatznummer |
250018965
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| Publikation (Nr.) |
 copernicus.org/npg-20-257-2013.pdf |
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| Zusammenfassung |
| The present study concerns the 3-D distribution of pollutants emitted from a
coastal outfall in the presence of strong sea currents. The problem is solved
using the nonlinear Reynolds-averaged Navier–Stokes equations in the
framework of the k-ε model. The constants of the logarithmic law
for the vertical velocity profile in the bottom boundary layer are obtained
by processing experimental data from acoustic Doppler current profilers
(ADCPs). The near-field distribution of pollutants at different distances
from the diffuser is obtained in terms of the ambient flow velocity (steady
or with tidal effect) and outfall discharge characteristics. It is shown that
even in the case where the effluent density is substantially lower than the
ambient sea water density the plume can impact the seabed, creating a risk of
pollution of removable bottom sediments. |
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