Natural Phenomenon
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South Seas Companion
Natural Phenomenon
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Shoals |
| Shoals are submerged ridges, banks or bars covered by or made up of loose sediment that are close enough to the surface of water to be a hazard to shipping. |
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Today, shoals are defined by international maritime convention as any sandbank or similar hazard lying at a depth of less than twenty meters. By the eighteenth century, mariners also used the term shoals to describe large numbers of fish or aquatic mammals swimming together. |
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Published by South Seas, 1 February 2004 Comments, questions, corrections and additions: Paul.Turnbull@jcu.edu.au Prepared by: Paul Turnbull Updated: 28 June 2004 To cite this page use: http://nla.gov.au/nla.cs-ss-biogs-P000063 |