Abstract

Non-point source contributions of nitrogen and phosphorus are examined. A useful relation between nitrogen and phosphorus mass flux and instream flow is demonstrated to occur at a number of sampling locations situated on the Saint John River Basin. As well, through a multiple regression study, evidence is presented that argues that the variations in non-point source loadings observed from location to location are explainable in terms of the variations of relatively easily-measured parameters that describe the contributing areas.

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