Marine sewage outfall assessment for the Capital Regional District, British Columbia, using nested three-dimensional models
- 1 January 1998
- journal article
- Published by IWA Publishing in Water Science & Technology
- Vol. 38 (10) , 301-308
- https://doi.org/10.1016/s0273-1223(98)00763-x
Abstract
Nested three-dimensional, prognostic hydrodynamic and coupled transport-diffusion models were developed to simulate the dispersion of contaminants from two large marine outfalls discharging untreated sewage effluent into the estuarine waters of Juan de Fuca Strait. The modelling system is comprised of a 200-m fine grid model nested inside a 1-km large area model incorporating all estuarine circulation processes, and an embedded version of the UM buoyant diffuser plume model. Predictions for fecal coliform distributions were successfully verified using observations obtained during a monitoring program in December 1996.Keywords
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