Describes the interrelationships among the major components of a typical urban estuarine interactive water-quality system. The nonparametric cross-spectral method is used to analyze the responsive behavior between the rainfall and the quantity and quality of the resulting overflow, as well as the characteristics of the stochastic noise components of several drainage systems. In this investigation prediction functions and coliform equations were formulated for use in developing urban drainage models for estimating the quantity and quality of discharges from the peripheral drainage systems of Jamaica Bay in New York. It is concluded that the methods used in this report can be used effectively for analyzing and predicting an urban drainage system's response for control purposes, and that control processes for systems such as Jamaica Bay should be based upon a feed-forward scheme using predictive functions, since most of the parameters governing the control are not measurable in real time. 110 pp. Ref.
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