Ice floe

"floe" redirects here. For other uses, see floe (disambiguation).

Not to be confused with ice flow.

An ice floe (/floʊ/) is a large pack of floating ice often defined as a flat piece at least 20 m across at its widest point, and up to more than 10 km across.^[1] Drift ice is a floating field of sea ice composed of several ice floes. They may cause ice jams on freshwater rivers, and in the open ocean may damage the hulls of ships.

Gallery

• 
  Several ice floes in the Hudson Strait
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  Ice floes in the Weddell Sea
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  "In the Arctic Sea – An Ice Floe Adrift". Postcard, Albert Operti, early 20th century

References

1. Qin Zhang; Roger Skjetne (13 February 2018). Sea Ice Image Processing with MATLAB. CRC. p. 43. ISBN 978-1-351-06918-2.