An analysis of measurements of the temporal and spatial characteristics of the drifting ice in the Arctic ocean are presented. The horizontal velocities/accelerations of the ice cover reveal the self-similar dynamics of its movement and the statistically equivalent distribution of interaction energy of the ice features at different scales. It is found that the sequence of ice-floe accelerations is invariant in time. The satellite images demonstrate the fractal geometry of the ice cover. The scale invariancy of sea ice dynamics and mechanics and their fractal geometry permit consideration of the Arctic ice cover as a fractal spatial-time domain, or equivalently as a system with self-organized criticality.
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