The Structure of Fields of Oceanological Quantities in the Upwelling Zone at the Herakleian Peninsula (Crimea)

P. D. Lomakin*, A. I. Chepyzhenko

Marine Hydrophysical Institute of RAS, Sevastopol, Russia

* e-mail: p_lomakin@mail.ru

Abstract

Based on the data obtained during an expedition of Marine Hydrophysical Institute in August 2019, the paper considers the morphology of the fields of temperature, salinity, content of total suspended matter and coloured dissolved organic matter in two adjacent areas located along the north-west (area 1) and south-west (area 2) coasts of the Herakleian Peninsula. The authors used methods and approaches based on classical oceanographic analysis of field structure of quantities under study. It is shown that in area 1 with the coastline oriented at an acute angle to the wind arrow, advective processes prevailed, and the structure of the fields of oceanological elements contained no anthropogenic features. In area 2, the coastline of which is located along the normal to the wind arrow, the surge effect and the rise of water from deep horizons to the sea surface were noted. Here, in the water column, lenses with low salinity, increased content of total suspended and dissolved organic matter were found. These lenses arose under the influence of wastewater distributed in the upwelling ascensional circulation system from a nearby wastewater collector.

Keywords

temperature, salinity, total suspended matter, coloured dissolved organic matter, upwelling, contamination, Herakleian Peninsula, Crimea.

Acknowledgments

The research was funded under state assignment no. 0555-2021-0005 of FSBSI RFC MHI “Complex interdisciplinary studies of oceanologic processes which determine functioning and evolution of ecosystems in the coastal zones of the Black Sea and the Sea of Azov”.

For citation

Lomakin, P.D. and Chepyzhenko, A.I., 2022. The Structure of Fields of Oceanological Quantities in the Upwelling Zone at the Herakleian Peninsula (Crimea) in August 2019. Ecological Safety of Coastal and Shelf Zones of Sea, (1), pp. 31–41. doi:10.22449/2413-5577-2022-1-31-41

DOI

10.22449/2413-5577-2022-1-31-41

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