Science / Tides and Currents / Tidal Wave: A shallow water wave caused by the gravitational interactions between the Sun, Moon, and Earth. Essentially, high water is the crest of a tidal wave and low water, the trough. Tidal current is the horizontal component of the particulate motion, while tide is manifested by the vertical component. The observed tide and tidal current can be considered the result of the combination of several tidal waves, each of which may vary from nearly pure progressive to nearly pure standing and with differing periods, heights, phase relationships, and direction.
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Wave Adjective Synonyms: swell, undulation, billow, sea, heave, roller, whitecap, white horse, ripple, wavelet, breaker, comber
Science / Tides and Currents / Tidal Characteristics: Principally, those features relating to the time, range, and type of tide. MORE
Science / Tides and Currents / Tidal Bore: A tidal wave that propagates up a relatively shallow and sloping estuary or river with a steep wave front. The leading edge presents an abrupt rise in level, frequently with continuous breaking and of MORE