Chapter
Dec 31, 2015
Outfall Diffusion Models for the Coastal Zone
Authors: D. C. L. Lam and C. R. MurthyAuthor Affiliations
Publication: Coastal Engineering 1978
Abstract
Two approaches for developing outfall diffusion models for the coastal zone are discussed. The statistical model combines a simple Gaussian analysis with the time-series records of flow measurements to elucidate the dispersion patterns in a shore-parallel, a current-reversal, and stagnation flow regimes. The deterministic model explores the more complex characteristics of a plume in an advection-dominant situation. The cases of Fickian diffusion, shear diffusion, and inertial subrange hypothesis are studied. It is shown that a previously derived semi-empirical relationship produces an agreement at least as good as the optimized results of these theoretical models. These models are quite useful for site specific evaluation of potential continuous discharges of effluents into the coastal zone.
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Published In
Coastal Engineering 1978
Pages: 2584 - 2597
Copyright
© 1978 American Society of Civil Engineers.
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Published online: Dec 31, 2015
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D. C. L. Lam
Applied Research Division, National Water Research Institute, Canada Centre for Inland Waters, Burlington, Ontario, Canada
C. R. Murthy
Applied Research Division, National Water Research Institute, Canada Centre for Inland Waters, Burlington, Ontario, Canada
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