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tidal excursion
The net horizontal distance over which a water particle moves during one tidal cycle of flood and ebb; the distances traversed during ebb and flood are rarely equal in nature, since there is usually a layered circulation in an estuary, with a net surface flow in one direction compensated by an opposite flow at depth.
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From McGraw-Hill Dictionary of Environmental Science.  The Content is a copyrighted work of McGraw-Hill and McGraw-Hill reserves all rights in and to the Content.  The Work is © 2008 by The McGraw-Hill Companies, Inc.
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