Document Type



Virginia Institute of Marine Science

Publication Date



To alleviate the flooding in the drainage basin of the Lynnhaven River at Virginia Beach, Virginia, the U. S. Army Corps of Engineers has proposed to improve the waterways along the headwater of the river (House Document, 1976). The improvements include the widening and deepening of the existing canal, and the dredging of a new canal. As a result of the proposed project and the present rate of increase in area development, the freshwater runoff from the drainage basin and the tidal prism in the system are expected to increase. Since nonpoint sources are the only source of pollutants to the Eastern Branch of the Bay, the increase in freshwater runoff will have accompanying increase in pollutant loads of the same relative magnitude. The primary objective of this study is to assess the changes in water quality conditions as the results of the increases in freshwater discharge and in the tidal prism.

This study consists of two parts. The field survey includes two slack water runs and a dye release experiment. The model study consists of model validation and projection of water quality changes.


A Report to the Norfolk District, Corps of Engineers U. S. Army



Water quality -- Virginia -- Lynnhaven Bay -- Mathematical models



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