Simulation of surge phenomena and transformation of the admixture field in the Sea of Azov in the presence of stationary currents |
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| Authors: | V A Ivanov V V Fomin L V Cherkesov T Ya Shul’ga |
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| Institution: | (1) Marine Hydrophysical Institute, Ukrainian Academy of Sciences, Sevastopol, Ukraine |
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| Abstract: | Using a three-dimensional nonlinear mathematical model, we study the processes of transfer and diffusion of contaminants in
the Sea of Azov in the presence of stationary currents. Changes in the sea level, surge phenomena, and the direction and velocity
of stationary currents caused by winds with different maximum velocities are analyzed. We estimate the region of applicability
of the linear approximation and the choice of the value of integration steps over space and time coordinates. It is shown
that the growth of the maximum wind velocity increases the contaminated domains and the time of complete dispersion of the
admixture. Solutions obtained in the linear approximation differ slightly from those obtained by using the nonlinear model
for wind velocities up to 5 m/sec.
Translated from Morskoi Gidrofizicheskii Zhurnal, No. 4, pp. 52–68, July–August, 2008. |
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