Simulation of upper layer biochemical structure in the Black Sea

Oguz T., Ducklow H., Shushkina E., Malanotte-Rizzoli P., Tugrul S., Lebedeva L.

NATO TU Black Sea Project Ecosystem Jodeling as a Management Tool for the Black Sea, ZORI ROSSII, Ukraine, 15 - 19 June 1997, vol.47, pp.257-299 identifier

  • Publication Type: Conference Paper / Full Text
  • Volume: 47
  • Country: Ukraine
  • Page Numbers: pp.257-299


The processes governing the biogeochemical structure of the upper layer water column in the central Black Sea are studied using a one-dimensional coupled physical-biogeochemical model. It is an extention of the previous models (Oguz, et al., 1996; 1997) including the oxygen dynamics and its coupling with the plankton production, particulate matter decomposition and nitrogen transformation, a simplified representation of the microbial loop involving dissolved organic matter generation and bacterial production, as well as the denitrification and hydrogen sulphide oxidation processes. The model thus considers dynamically a fully coupled system of the processes taking place at the euphotic zone, the oxycline, suboxic and anoxic layers. The pelagic food web is represented by two groups of phytoplankton (diatoms and flagellates), three size groups of zooplankton (microzooplankton, mesozooplankton and macrozooplankton). The macrozooplankton group represents essentially a particular gelatinous species group called the medusae "Aurelia aurita"