Date of Award

Summer 1971

Document Type


Degree Name

Master of Science (MS)


Ocean & Earth Sciences



Committee Director

Ronald E. Johnson

Committee Member

John C. Ludwick

Committee Member

William M. Beck

Committee Member

Carl W. Fisher

Call Number for Print

Special Collections LD4331.O35H437


A graphic analysis is presented of the observed patterns of longitudinal current velocity, salinity, density and temperature through a group of tidal cycles in Thimble Shoals Channel. Graphs of the properties indicate that this estuary passes through a sequence of estuarine types during a tidal cycle. In spite of this observation, the net non-tidal profiles of salinity are patterns of a partially mixed estuary.

The most noteworthy observation in this study was that longitudinal velocity was essentially constant throughout the water column at any increment of a tidal cycle as well as in the net non-tidal profile of the water column.

Although the magnitudes of longitudinal velocity and salinity were variable from tidal cycle to tidal cycle, the patterns these properties follow appear to be repetitive.


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