Of or pertaining to tides.

Of or pertaining to tides.

Related Terms 
HARMONIC FUNCTION
Any real function that satisfies a certain equation. In its simplest form, as used in tide and tidal current predictions, it is a quantity that varies as the cosine of an angle that increases uniformly with time

HARMONIC CONSTANTS
The amplitudes and epochs of the harmonic constituents of the tide or tidal current at any place

HIGH WATER INEQUALITY
The difference between the heights of the two high waters during a tidal day

HIGH WATER
The maximum height reached by a rising tide. The height may be due solely to the periodic tidal forces or it may have super imposed upon it the effects of prevailing meteorological condi tions. Use of the synonymous term HIGH TIDE is discouraged.

HALFTIDE LEVEL
A tidal datum midway between mean high water and mean low water. Mean sea level may coincide with halftide level, but seldom does; the variation is generally about 3 centimeters and rarely exceeds 6 centimeters. Also called MEAN TIDE LEVEL.

HARMONIC PREDICTION
Method of predicting tides and tidal currents by combining the harmonic constituents into a single tide curve, usually performed by computer.

HIGHER LOWER WATER
The higher of the two low waters of any tidal day

HIGHER HIGH WATER
The higher of the two high waters of any tidal day.

HARMONIC ANALYSIS
The process by which the observed tide or tidal current at any place is separated into basic harmonic constituents. Also called HARMONIC REDUCTION.

MUD FLAT
A tidal flat composed of mud.

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