Date of Award

Spring 1993

Document Type

Thesis - Restricted

Degree Name

Master of Science (MS)

Department

Civil, Construction, and Environmental Engineering

First Advisor

Novotny, Vladimir

Second Advisor

Crandall, Clifford J.

Third Advisor

Zanoni, Alphonse E.

Abstract

A computer model of a section of the Milwaukee River in Milwaukee, Wisconsin, is established and utilized to estimate the impact of the removal of the North Avenue Dam on the water quality in the River in terms of conventional constituents, including dissolved oxygen, biochemical oxygen demand, chlorophyll a, and nutrients. The purpose of this report is to depict the research as well as its results. A review of the eutrophication literature identifies processes and parameters affecting the water quality in riverine environments. Corresponding data on water quality, hydraulics, and weather conditions obtained and subsequently utilized to calibrate and verify the model is described. WASP4, an EPA-sponsored modeling package utilized to establish and use the model, is briefly reviewed in terms of its capabilities, input requirements, method of computation, and generated outputs. An evaluation of the experience with the use of WASP4 is also contained within the report. Water quality and hydraulics data describing the modeled stretch of the Milwaukee River used to provide WASP4 with input information is analyzed. The results of the calibration and the verification of the model are presented. The use of the model in the simulation runs is described for the conditions with the North Avenue Dam in place as well as for those after its removal. Conclusions based on the results of the simulation runs are presented. Future research needs are identified.

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