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Oceanology

, Volume 47, Issue 3, pp 301–312 | Cite as

Influence of the dynamics of currents on the hydrophysical structure of the waters and the vertical exchange in the active layer of the Black Sea

  • A. G. Zatsepin
  • N. N. Golenko
  • A. O. Korzh
  • V. V. Kremenetskii
  • V. T. Paka
  • S. G. Poyarkov
  • P. A. Stunzhas
Marine Physics

Abstract

An analysis of the data of measurements of the fine structure and microstructure fluctuations of hydrophysical fields in the upper 200-m layer of the Black Sea carried out using CTD profilers and a Baklan free falling microstructure and turbulence profiler revealed the existence of a positive correlation between the intensity of the fine structure and microstructure fluctuations and the dynamics of the currents. On the other hand, the level of the fine structure and microstructure fluctuations reflects the rate of the vertical turbulent exchange. It was shown that, in the case of the absence of the Black Sea Rim Current (BSRC) jet or clearly manifested mesoscale eddy structures, the vertical turbulent exchange in the pycnocline is weak, while, in the opposite case, it is stronger. The results obtained support the supposition that the interbasin dynamics play an important role in the maintenance of the rate of small-scale mixing in the pycnocline and halocline and provide the vertical transport of dissolved oxygen from the cold intermediate layer into the deeper layers of the sea.

Keywords

Internal Wave Froude Number Anticyclonic Eddy Spectral Curf Vertical Exchange 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Pleiades Publishing, Inc. 2007

Authors and Affiliations

  • A. G. Zatsepin
    • 1
  • N. N. Golenko
    • 2
  • A. O. Korzh
    • 2
  • V. V. Kremenetskii
    • 1
  • V. T. Paka
    • 2
  • S. G. Poyarkov
    • 1
  • P. A. Stunzhas
    • 1
  1. 1.Shirshov Institute of OceanologyRussian Academy of SciencesMoscowRussia
  2. 2.Atlantic Branch, Shirshov Institute of OceanologyRussian Academy of SciencesKaliningradRussia

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