Analyzing Environmental Time Seriesby Francoise D'Astous, Grad. Student; Dept. of Systems Design, Univ. of Waterloo, Waterloo, Ontario, Canada,
Keith William Hipel, Asst. Prof.; Dept. of Systems Design, Univ. of Waterloo, Waterloo, Ontario, Canada,
Serial Information: Journal of the Environmental Engineering Division, 1979, Vol. 105, Issue 5, Pg. 979-992
Document Type: Journal Paper
Abstract: Intervention analysis is utilized to determine the effectiveness of sewage treatment for reducing phosphorous levels in rivers. Because problems involving missing data are encountered, a data interpolating technique is devised using intervention analysis. Practical examples are given to illustrate the usefulness of this method as well as the advantages of employing intervention analysis for analyzing water quality data.
Subject Headings: Data analysis | Water quality | Sewage | Rivers and streams | Hydrologic data | Environmental issues | Time series analysis
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