DISTRIBUTION OF FREONS AND DISSOLVED OXYGEN IN INTERMEDIATE WATERS OF THE SEA OF OKHOTSK

A. G. Andreev and I. A. Zhabin

Distribution of freons (CFC-11) and oxygen in the upper layer of the Sea of Okhotsk intermediate waters (potential density being from 26.7 to 27.05σθ, and depths from 150 to 600 m) is analyzed on the basis of the April—May 1995 data. The highest concentrations of dissolved gases were measured on the shelf of Sakhalin Island and in the southern part of the Kuril Basin. Analysis of the thermohaline structure has shown that ventilation of intermediate waters in the southern Sea of Okhotsk is determined by the inflow of the Soya Current waters in spring and by fall—winter convection in a zone off Iturup Island.

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