Extreme supply of floating ice to the northwestern part of the Pacific Ocean |
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| Authors: | A M Polyakova |
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| Institution: | (1) Pacific Institute of Oceanology, Far East Division, Russian Academy of Sciences, Vladivostok, Russia |
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| Abstract: | In January to April, floating ice drifts from the Sea of Okhotsk via the Kuril straits to the northwestern part of the Pacific Ocean. In its turn, ice from the Bering Sea moves southwestward along the eastern coast of the Kamchatka Peninsula. The amount of the ice supplied to the ocean features a significant interannual variability. In this paper, we use the data for the period from 1958 to 2005. During the years with the heaviest ice conditions, floating ice from the Bering Sea moved to the south along Kamchatka Peninsula down the latitude of the Fourth Kuril Strait forming a tongue 30–50 miles wide. The ice drifting from the Sea of Okhotsk to the northwestern part of the Pacific Ocean may move via the passages from the Kunashir to the Kruzenshtern straits and form a band with a width of 30–40 miles depending of the severity of the winter. |
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