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Modeling Metals In Stormwater Runoff At Multiple Time And Spatial Scales

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Watershed models are widely used to describe runoff dynamics and associated pollutant loadings, but are rarely tested for accuracy quantitatively. Here we evaluated the accuracy of the Hydrological Simulation Program – FORTRAN (HSPF) model for predicting concentrations and loads of total suspended solids, copper, and fecal bacteria in Ballona Creek (near Los Angeles, California), an arid, highly-impervious, urban watershed with dynamic flows that can increase by three within an hour due to stormwater runoff. The model was calibrated by collecting data at sub-hourly intervals from small homogeneous land use sites and then validated (Figure 1) with sub-hourly data collected at an instream site that received cumulative discharges from 74% of the watershed.

Document Type: Research Article


Publication date: 2007-01-01

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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