- tidal datum
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(in a hydrographic survey) a curved surface representing one phase of a tide, usually mean low water, taken as a datum level.
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Universalium. 2010.
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Universalium. 2010.
tidal datum — reference plane (the plane to which sounding and tidal data are referred) … Dictionary of ichthyology
tidal datum — (in a hydrographic survey) a curved surface representing one phase of a tide, usually mean low water, taken as a datum level … Useful english dictionary
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