Abstract

A parametric description of lateral and vertical oscillatory transport in two segments of Long Island Sound is presented. The vertical eddy viscosity and diffusivity coefficients are estimated on the basis of a model for turbulent kinetic energy transfer. Characteristics of horizontal mixing are examined by means of dimensional analysis. The relative importance of the mechanisms controlling mass distribution in the estuary is evaluated by calculating longitudinal dispersion coefficients in a form introduced by Fisher (1972). It is shown that the mass transport in Long Island Sound is governed mainly by two processes: lateral turbulent dispersion and net longitudinal transport caused by the density gradients.

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