Water Quality Assessment in a Stochastic Stream Environmentby Wade E. Hathhorn, Univ of Texas at Austin, United States,
Yeou-Koung Tung, Univ of Texas at Austin, United States,
Abstract: Methodologies are presented within this article to aid in the quantification of the uncertainty in the management of stream water quality. Specifically, means are developed for: (1) establishing the probability distribution of dissolved oxygen and critical location in a stream; (2) finding the critical location under uncertainty; and (3) quantifying the joint risk of violating a given water quality standard with a known deficit over a specified length of the stream environment.
Subject Headings: Water quality | Water pollution | Rivers and streams | Dissolved oxygen | Uncertainty principles | Quality control | Probability
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