- Zhubov scale
- a scale for reporting ice coverage of polar seas; see ball.
Dictionary of units of measurement. 2015.
Zhubov scale
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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%… … Wikipedia
Sea ice — is largely formed from seawater that freezes. Because the oceans consist of saltwater, this occurs below the freezing point of pure water, at about 1.8 °C (28.8 °F). Sea ice may be contrasted with icebergs, which are chunks of ice shelves or… … Wikipedia
