Evaluation of Selected Initial Dilution Models

by Abu M. Z. Alam, (M.ASCE), Project Manager; Metcalf & Eddy, Inc., Boston, Mass.,
Donald R. F. Harleman, (M.ASCE), Ford Prof. and Dir.; Ralph M. Parsins Lab. for Water Resources and Hydrodynamics, Massachusetts Inst. of Tech., Cambridge, Mass.,
Joseph M. Colonell, (M.ASCE), Project Engr.; Woodward-Clyde Consultants, Anchorage, Alaska,

Serial Information: Journal of the Environmental Engineering Division, 1982, Vol. 108, Issue 1, Pg. 159-186

Document Type: Journal Paper


A number of mathematical and computer models are currently available to calculate initial dilution of treated wastewater effluent discharges into the ocean. This paper presents a comparative evaluation of six initial dilution models using data from Boston Metropolitan District Commission's proposed ocean discharge. To determine the reliability of application of these models, field data and results of dye studies conducted for the Alyeska Marine Terminal outfall in Port Valdez, Alaska were used to check against calculated dilutions from these models. It was found that some of the models provided dependable results.

Subject Headings: Computer models | Mathematical models | Field tests | Dilution | Ocean engineering | Mathematics | Ocean currents | Wastewater treatment | United States | Boston | Massachusetts | Alaska

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