Abstract: A simple, accurate, Lagrangian numerical scheme is developed for modeling the advection and dispersion of a nonconservative pollutant in one‐dimensional, nonuniform river flow. The scheme is free from the common propensity ...

Abstract: The following paper illustrates how parsimonious process–based models can be used to assess the impact of nutrients on shallow periphyton-dominated streams. After a brief overview of previous research, a simple model is ...

Abstract: A parsimonious nutrient-periphyton model quantifying uptake and recycling below a steady nutrient point source was tested in a shallow, stony-bed river during summer low flow. Close to the source DIN and DRP concentrations ...