Correlation between regional climatic indices and the Arctic Sea ice dynamics

The research of temporal rows of monthly values of the North-Atlantic and Pacific decade oscillations, and a general solidarity of the Arctic basin sea ice, carried out by the mutual spectral analysis, has revealed a close meaningful relation between the processes. It is observed the long period oscillations, from half a year to thirty years. The quasi periodicity of thirty years for the PDO process, which characterizes changeability of the ocean surface temperature (OST) and the surface pressure in the Pacific ocean region, to the north further than 20º n.lat, is a basic one, and for the other explored rows just of a second-rate.