Behavior of Total Zinc in the Similkameen Riverby L. John Zeman, Environment Canada, Canada,
H. Olav Slaymaker, Environment Canada, Canada,
Abstract: Multiple linear regression analysis was used to: develop equations that summarize the relationship between total zinc and a set of water quality characteristics measured in the Similkameen River during 1984, and identify the variables that are the most useful for predicting total zinc under different flow and water hardness conditions. Regression analysis indicated that the most effective estimators of total zinc were: turbidity, hardness, pH, and discharge during high flow-soft water periods; and total lead and total copper during low flow-hard water periods. Concentrations of total zinc, total lead and total copper above the Canadian Water Quality Guidelines were more common during high flow than during low flow conditions.
Subject Headings: Water quality | Zinc | Regression analysis | Water pollution | Water flow | Water discharge | Linear analysis | Flow measurement
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