Date of Award

Spring 1995

Document Type

Thesis - Restricted

Degree Name

Master of Science (MS)

Department

Civil, Construction, and Environmental Engineering

First Advisor

Novotny, Vladimir

Second Advisor

Zanoni, A. E.

Third Advisor

Feng, Xin

Abstract

A deterministic water - sediment quality model is developed with a Monte Carlo interface and input generation. The model is used to simulate water and sediment (total and pore water) quality of a reach of Milwaukee River that includes an urban impoundment. The water and sediments in the impoundment are contaminated by toxic metals and other priority pollutants. The simulated data are used to evaluate the impacts of these toxic metal pollutants and various abatements on water quality of the Milwaukee River at the North Avenue Dam site. The sediment-water quality model is composed of three sequential segments each represented by three systems: water, upper sediment and lower sediment layers. The mass balance of the sediment contaminants is strongly affected by the direction of the groundwater fluxes through the sediments. Steady state is assumed for the water column and upper sediment layer while a dynamic mass balance model is used for the lower layer. The inputs of the Monte Carlo simulation were ten years time series of upstream flows and CSO discharges with corresponding Monte Carlo generated concentrations. The model calculated output concentrations which were statistically similar with the probability distribution of measured concentrations.

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