THE CHARACTERISTIC FEATURES OF THERMOCHAL INE STRUCTURE IN THE ARCTICICE LEADS

The generalization of the spring flood thermochaline structure observa tions, carried out in the Arctic Basin during summer time is accomplis hed. It is demonstrated that the main consistent part of this structur e is the surface highly freshened layer with thickness about 1 - 2 met res. The significant portion of solar radiation is accumulated within it. Five stages of the surface layer formation and evolution in the sp ring fields are distinguished. For each stage the characteristic featu res of horizontal and vertical temperature, salinity, Brent-Vajsala fr equency distributions are described. Their temporal variabilities are also examined.