Simulation of Dissolved Oxygen Profile

by G. Clinton Sornberger, Asst. Prof.; Dept. of Mathematics, Worcester Polytechnic Inst., Worcester, MA,
Krishnaswamiengar Keshavan, (M.ASCE), Prof.; Dept. of Civ. Engrg., Worcester Polytechnic Inst., Worcester, MA,

Serial Information: Journal of the Environmental Engineering Division, 1973, Vol. 99, Issue 4, Pg. 479-488

Document Type: Journal Paper


A stochastic mathematical model is developed to describe the probability distribution of dissolved oxygen in streams which have received an input of both thermal and organic pollution. The stochastic model is simulated under conditions of constant and variable temperature, and the results of the simulation are compared with the mean values predicted by recent deterministic models. The simulation provides an estimate of the variability of the DO level to be expected at different points as well as a means of generating typical oxygen sag curves for a stream.

Subject Headings: Dissolved oxygen | Mathematical models | Thermal analysis | Simulation models | Stochastic processes | Thermal pollution | Water pollution | Probability distribution

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