Evi Vinck, Matej Radinja, Neil Van den Broeck, Margherita Evangelisti, Birgit De Bock, Arnout Roukaerts, Stijn Van Hoey, Niels De Vleeschouwer, Sacha Gobeyn, Dario Frascari, Vittorio Di Federico
• Continuous turbidity data enable event-based calibration of stormwater quality models. • Build-up rates show strong event-to-event variability within the same catchment. • Wash-off parameters remain stable across rainfall events and catchment types. • Traffic intensity and wind speed influence pollutant build-up dynamics. • Event-based calibration improves representation of urban runoff TSS dynamics.