Tide-Induced Mass Transport in Lagoons

by Jacobus van de Kreeke, (M.ASCE), Assoc. Prof.; Div. of Ocean Engrg., Rosenstiel School of Marine and Atmospheric Sci., Univ. of Miami, Miami, Fla.,
Robert G. Dean, (M.ASCE), Prof.; Coastal and Oceanographic Engrg. Lab., Univ. of Florida, Gainesville, Fla.,

Serial Information: Journal of the Waterways, Harbors and Coastal Engineering Division, 1975, Vol. 101, Issue 4, Pg. 393-403

Document Type: Journal Paper


This paper examines the tide-induced mass transport in coastal lagoons which are connected to the ocean by more than one opening. An approximate analytic expression for the tide-induced mass transport in a lagoon of uniform width and depth at each end freely connected to a tidal basin is derived, assuming one-dimensional homogeneous flow. Analytic results are compared with numerically computed values of the mass transport. It is shown that the tide-induced mass transport can be an important factor in the renewal of the waters of shallow lagoons.

Subject Headings: Tides | Mass transport | Lagoons | One-dimensional flow | Ocean engineering | Basins | Dimensional analysis | Homogeneity

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