Before revision: Drift ice, Greenland Fast ice (left, along shoreline) versus drift ice (right) in a hypothetical sea ice dynamics scenario Tokyo Drift ice, also called brash ice, is sea ice that is not attached to the shoreline or any other fixed object (shoals, grounded icebergs, etc.
After revision: Drift ice, Greenland Fast ice (left, along shoreline) versus drift ice (right) in a hypothetical sea ice dynamics scenario Drift ice, also called brash ice, is sea ice that is not attached to the shoreline or any other fixed object (shoals, grounded icebergs, etc.