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Zhubov scale

The Zhubov scale is a way of reporting polar sea ice coverage, it was developed in the former USSR by Russian naval officer N. N. Zhubov (1895 - 1960).

The Zhubov scale is measured using the unit ball, one ball equals 10% coverage, five balls 50% coverage and so on.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Zhubov_scale". A list of authors is available in Wikipedia.
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