• Question: what temperature does the sea have to be to freeze over?

    Asked by jibberjabber to Dave on 22 Jun 2011.
    • Photo: Dave Sproson

      Dave Sproson answered on 22 Jun 2011:

      Hey, it depends on how salty the water is (and to a lesser degree the depth, but water will pretty much always freeze from the surface), about -2 degrees C is usually a pretty good estimate.

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