A. G. Rozanov, T. P. Demidova, A. V. Egorov, Yu. F. Lukashev,
N. M. Stepanov, V. K. Chasovnikov, and E. V. Yakushev
Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia
Received June 9, 1998; in final form, December 30, 1998
Abstract—The data are presented from hydrochemical analyses for oxygen, hydrogen sulfide, nitrates, nitrites,
ammonium, manganese, and methane at the 100-mile standard section from Gelendzhik to the center of the
Black Sea. The studies were carried out in November of 1997 from the R/V Akvanavt. Sampling and hydro-
physical measurements (temperature, density, and transparency) were performed using a Sea Bird probe sup-
plied with a Rosette complex consisting of twelve 5-liter plastic Niskin bottles. The characteristic feature of the
expedition considered is water sampling down to the maximum depth (more than 2000 m).
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