The purpose of the paper is to discuss practical results of pilot running of a domestic ship ferry box system. Methods and Results. The results were obtained in course of in situ studies of structure and spatialtemporal variability of optical, hydrological and hydrochemical fields of surface water during the complex cruises in which the scientists from Marine Hydrophysical Institute, Russian Academy of Sciences, participated in 2015-2017. The considered polygons were of different scales and located nearby the Southern Coast of Crimea. The ferry box measurements were carried out continuously in real time with high spatial resolution and showed good reliability. Based on the contact ferry box surveys carried out at the test sub-satellite polygons near the Herakleian Peninsular, the background structure of the surface water hydrophysical fields was mapped. In the polygon surface layer, small-scale water lenses were authentically identified. They accompany the intensive hydrological torch-type formations that arise in an outbreak of industrial and sewage waters discharge near the bottom and then reach the surface. Conclusions. The information of the ferry box system surveys carried out at the large-scale polygons during the cruises of R/V Professor Vodyanitsky (the 89 th-October, 2016 and the 98 th-November, 2017) nearby the Southern Coast of Crimea provided new in situ data that were impossible to obtain by contact methods. The represented results demonstrate high information content of the ferry box measurements, its efficiency and possibility of its further application for studying hydrophysical processes and phenomena in a wide range of their variability and in various weather conditions. The principle possibilities and further prospects of the ferry box system in obtaining new notions on submeso-and small-scale hydrodynamic processes are confirmed. Besides, the system implies development both of the approaches for rational use of marine resources near the Crimean and Sevastopol coasts and the elements of the advanced technology for the instrumental shelf monitoring in critical situations.
The present work represents the results of water circulation in the northern Black Sea analyzed based on the data of the surveys carried out in the 87 th cruise of R/V Professor Vodyanitsky in July 2016. It is shown that during the survey the westward flows being the Rim Current (RC) manifestation are predominant within the studied water area. Based on the survey data, the latitudinal location of the Rim Current geostrophical deep stream is close to its climatic position. In the western part of the polygon, the Rim Current is divided into three branches. The northern branch is located over the shelf, the central one -over the continental slope and the southern one -over the deep-sea regions. The Sevastopol anticyclone is characterized by extremely asymmetric vertical development: its northern periphery over the shelf is weak, whereas the southern periphery over the continental slope is intensive. In the central part of the polygon the Rim Current intensifies, at that one intensive stream is traced. In the eastern part of the polygon two branches of the Rim Current are observed: the intensive northern one over the continental slope and the coastal shelf, and the one located closer to the deepsea regions (its velocity is rather low and it weakens moving eastward). In the upper layer to the east off Cape Ai-Todor, the anticyclonic gyre is observed; whereas within the 50-100 m below it, the cyclonic turn of the currents is revealed.
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