Planning water quality surveillance
Two models were developed to evaluate the effective-ness of grab sampling methods in water quality data acquisition. One model was used to predict the detection of significant short term pollution events or quality variations. Several combinations of sampling frequency and location were tested with events of varying magnitude and duration. The second model was primarily used to predict the effectiveness of grab sampling to obtain what can be termed base level type data. For this type of data, the primary concern is the accuracy of observed means, trends, etc., with regard to the true values. The ...
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