Research Article
Jun 1967
Stochastic Model for BOD and DO in Streams
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VIEW THE REPLYPublication: Journal of the Sanitary Engineering Division
Volume 93, Issue 3
Abstract
A stochastic model for pollution and dissolved oxygen in streams is obtained. Given the stream parameters and the initial conditions, the model predicts not only the mean amounts of pollution and dissolved oxygen at any point downstream, but also their variability in time. One can determine the proportion of the time that pollution is above any given concentration or that dissolved oxygen is below any given concentration. The theoretical results are tested by comparing them with controlled laboratory experiments and with data from the Sacramento River. It is observed that the means of both pollution and dissolved oxygen follow the equations already obtained by Dobbins (BOD and Oxygen Relationships in Streams, Journal of the Sanitary Engineering Division, ASCE, Vol. 90, No. SA3, Proc. Paper 3949, June, 1964, p. 53). A new and unexpected observation is that the greatest variability in dissolved oxygen occurs at the sag, where it is most critical.
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Published In
Journal of the Sanitary Engineering Division
Volume 93 • Issue 3 • June 1967
Pages: 59 - 72
Copyright
© 1967 American Society of Civil Engineers.
History
Published in print: Jun 1967
Published online: Feb 12, 2021
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Richard P. Thayer
Graduate Student, Dept. of Statistics, Virginia Polytechnic Inst., Blacksburg, Va.; presently, Western Electric Co., Princeton, N. J.
Richard G. Krutchkoff
Assoc. Prof., Dept. of Statistics, Virginia Polytechnic Inst., Blackburg, Va.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.