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Free Content An analytic model of tidal circulation in a narrow estuary

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A simple model of open coastal dynamics is adapted to provide an analytic solution of the vertical and axial structure of tidal currents in an estuary. Applied to the Hey River estuary in northern Queensland, the model provides an accurate representation of the four major tidal constituents. By best-fit analysis of the model results to data from three current meters, the vertical eddy viscosity for the estuary is estimated as 2.8 × 10−3 m2s−1, and the linear friction coefficient as 8 × 10−4 ms−1. Bottom boundary considerations indicate that the data are consistent with the concept of a bottom logarithmic layer 0.6 m deep, in which the eddy viscosity increases linearly from near-zero to its free-stream value.
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Document Type: Research Article

Publication date: 1993-08-01

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  • The Journal of Marine Research publishes peer-reviewed research articles covering a broad array of topics in physical, biological and chemical oceanography. Articles that deal with processes, as well as those that report significant observations, are welcome. In the area of biology, studies involving coupling between ecological and physical processes are preferred over those that report systematics. Authors benefit from thorough reviews of their manuscripts, where an attempt is made to maximize clarity. The time between submission and publication is kept to a minimum; there is no page charge.
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