Design of Networks for Monitoring Water Quality |
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allocated annual mean assumptions average chloride coefficient Colorado complete mixing computed confidence interval width confidence level costs cumulative distribution function data analysis defined determine discharge dissolved solids downstream effluent equal Equation estimate evaluation example Figure flow groundwater hydrologic Kolmogorov-Smirnov test level of significance mean annual measure methods mg/l mixing distance monitoring program monitoring system normally distributed null hypothesis number of observations number of samples obtained outfall plot population mean probability density function problem quality monitoring network random variable regulatory water quality relationship Report river basin sample mean sampling frequencies sampling points sampling station selected serial correlation sodium specific conductance standard deviation Steele stochastic stream standard suspended sediment Table techniques temperature test statistic tion total number trend U.S. Environmental Protection U.S. Geological Survey Ward water quality data water quality management water quality monitoring water quality variables Water Resources zone of complete