Rotary Current

Science / Tides and Currents / Rotary Current: A tidal current that flows continually with the direction of flow changing through all points of the compass during the tidal period. Rotary currents are usually found offshore where the direction of flow is not restricted by any barriers. The tendency for the rotation in direction has its origin in the Coriolis force and, unless modified by local conditions, the change is clockwise in the Northern Hemisphere and counterclockwise in the Southern. The speed of the current usually varies throughout the tidal cycle, passing through the two maxima in approximately opposite directions and the two minima with the direction of the current at approximately 90° from the directions of the maxima.

Other Words for Current

Current Noun Synonyms: course, progress, tendency, tenor, drift, trend, inclination, mainstream
Current Adjective Synonyms: contemporary, ongoing, present, contemporaneous, simultaneous, coeval
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Strength Of Current

Science / Tides and Currents / Strength Of Current: Phase of tidal current in which the speed is a maximum; also the speed at this time. Beginning with slack before flood in the period of a reversing tidal current (or minimum before flood in a rotary c MORE

Current Ellipse

Science / Tides and Currents / Current Ellipse: A graphic representation of a rotary current in which the velocity of the current at different hours of the tidal cycle is represented by radius vectors and vectoral angles. A line joining the extremi MORE

Neap Tides Or Tidal Currents

Science / Tides and Currents / Neap Tides Or Tidal Currents: Tides of decreased range or tidal currents of decreased speed occurring semimonthly as the result of the Moon being in quadrature. The neap range (Np) of the tide is the average range occurring at the MORE

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