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Water Quality Characterization of Highway Stormwater Runoff from an Ultra-urban Area

dc.contributor.advisorDavis, Allen Pen_US
dc.contributor.advisorSeagren, Eric Aen_US
dc.contributor.advisorTorrents, Albaen_US
dc.contributor.authorFlint, Kellyen_US
dc.description.abstractWater quality of highway stormwater runoff from an ultra-urban area was characterized by qualitatively and quantitatively defining flushing and determining the event mean concentration (EMC) and annual pollutant loadings for TSS, total phosphorus (TP), NO3-, NO2-, TKN, Cd, Cu, Pb and Zn. Characterization aids in evaluation of the performance of a retrofit bioretention facility. Furthermore, this research contributes to the limited data available on recent characterization of runoff from urban areas. Mean EMC's in mg/L were 0.04, 0.11, 0.22, 1.18, 420, 3.4, 0.96, and 0.56 for Cd, Cu, Pb, Zn, TSS, TKN, NO3+2-, and TP. Median values for the mass flushed in the first 25% of runoff were greater than the mass flushed in a 25% portion beyond the first, except for TSS and Cd. The mass in later 25% portions were greater than in the first 25% in 17% of the events for all pollutants.en_US
dc.format.extent2954683 bytes
dc.titleWater Quality Characterization of Highway Stormwater Runoff from an Ultra-urban Areaen_US
dc.relation.isAvailableAtDigital Repository at the University of Marylanden_US
dc.relation.isAvailableAtUniversity of Maryland (College Park, Md.)en_US
dc.contributor.departmentCivil Engineeringen_US
dc.subject.pqcontrolledEngineering, Environmentalen_US
dc.subject.pqcontrolledEngineering, Civilen_US

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