TY JOUR TI Parameterization of the Dependence of Integral Phytoplankton Biomass on Chlorophyll Concentration at the Black Sea Surface Based on Expeditionary Research Data KW integral biomass KW phytoplankton KW Black Sea KW calculation algorithm KW chlorophyll a concentration profiles JO Physical Oceanography AU Kovalyova, I.V. PY 2025 IS 32 PB Federal State Budget Scientific Institution Federal Research Centre “Marine Hydrophysical Institute of RAS”