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Variability of currents in the coastal zone of the Black Sea from long-term measurements with a bottom mounted ADCP |
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| Authors: | A G Zatsepin V B Piotouh A O Korzh O N Kukleva D M Soloviev |
| Institution: | 1. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia 2. Atlantic Branch of the Shirshov Institute of Oceanology, Russian Academy of Sciences, Kaliningrad, Russia 3. Southern Branch of the Shirshov Institute of Oceanology, Russian Academy of Sciences, Gelendzhik, Russia 4. Marine Hydrophysical Institute, National Academy of Sciences of Ukraine, Sevastopol, Ukraine |
| Abstract: | The results of long-term measurements (16 months) of the current??s velocity in the Black Sea coastal zone near Golubaya Bukhta (Blue Bay) by a bottom mounted acoustic Doppler current profiler (ADCP) are presented and discussed. It was found that the alongshore component of the current dominates and its absolute value is an order of magnitude larger than the absolute value of the normal to the shore component. The annual average value of the alongshore current??s velocity is close to zero. A well pronounced oscillatory mode of the alongshore current??s velocity is revealed. This mode is characterized by quasi-periodic changes in the direction of the alongshore current. The maximal amplitudes of the unidirectional alongshore current??s velocity are observed with a time scale from several hours to several days. |
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