Abstract
We determine the characteristic features of the space structure of the Scotia-Sea Front and study the variations of its characteristics on the seasonal and interannual scales. It is shown that, in the climatic seasonal cycle, the Scotia-Sea Front is intensified in the warm period of the year when the temperature contrast between the cold waters formed as a result of thawing of ice and warmer waters transported by the South Branch of the Antarctic Circumpolar Current becomes more pronounced. The maximum seasonal variations of the intensity of this front are observed in the region of minimum intraannual displacements of the boundary of drift ice. The interannual variations of the characteristics of the front are observed in the form anomalous variations of its intensity and latitudinal displacements. A significant relationship is established between the interannual anomalies of the characteristics of the front and the areas of warm tropical waters in the Pacific Ocean caused by the events of El Nino.
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