Separation of Nutrient Sources within the Watershed
Chemistry and discharge measurements were taken at a number of points along each one of the three major rivers (Figure 3). Each of the river drainages was thus divided into a number of watershed segments. If the land use within any given segment is known quantitatively, the equations that have been developed in the previous chapter for nutrient yield associated with various land uses should provide a prediction of the nutrient yield from that segment. Three important factors may cause deviations between the observed and predicted nutrient yields from any given watershed segment: random estimation errors, unexpected sources, and storage.
KeywordsWastewater Treatment Plant River Drainage Septic System Human Waste River Bottom
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