Chart datum

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Definition of Chart datum (CD):
The level to which both tidal levels and water depths are reduced. On most Admiralty charts, this level is that of the predicted lowest astronomical tide (LAT).[1].
This is the common definition for Chart datum (CD), other definitions can be discussed in the article

References

  1. ↑ CIRIA (1996). Beach management manual. CIRIA Report 153.

See also

  1. Bathymetry
  2. Tides
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