Investigation of the influence of cyclonic disturbances on the dynamic processes and the evolution of impurities 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: | A three-dimensional nonlinear mathematical model is used to study the dynamic processes under the action of cyclonic disturbances
in the field of stationary wind in the Sea of Azov and the specific features of transformation of the impurities. The results
of numerical calculations enable us to conclude that the maximum velocities of currents generated by a cyclone depend on the
direction of its motion. It is shown that the cyclones moving westward generate currents with higher maximum velocities than
the cyclones of other directions. It is also demonstrated that the motion of atmospheric disturbances leads to a significant
enlargement of the area of propagation of pollutants as compared with the case of action solely of stationary currents. The
influence of the velocities of stationary currents on the maximum current velocities caused by the passage of a cyclone is
also analyzed. |
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