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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/3349

Title: Theoretical Model of the Littoral Drift System in the Toronto Waterfront Area, Lake Ontario
Authors: Greenwood, Brian,
McGillivary, Daniel G.,
Issue Date: 1978
Publisher: International Association for Great Lakes Research
Citation: J. Great Lakes Res., 4(1):84-102
Abstract: A computer model is described which simulates the interaction between shoreline geometry and shoaling waves in the Toronto waterfront area on the north shore of Lake Ontario, between Highland Creek in the east and the Credit River in the west, and establishes potential littoral drift patterns. Thirteen wave conditions, defined by height, period and direction of approach, characterising the annual hindcast spectrum for Toronto, are used in the determination of the shore-parallel components of wave energy flux. To identify the long term net effects of the distribution of wave energy flux which produce the dominant littoral drift pattern, a simple summation procedure is used whereby the individual effect of any wave condition at a shoreline point is weighted according to its frequency of occurrence. The long term average pattern of potential littoral drift based on zones of potential erosion (increasing alongshore wave energy flux}, transport (constant alongshore wave energy flux} and deposition (decreasing alongshore wave energy flux) is established. Identification of nodal points (zero alongshore wave energy flux) and drift cells allows a test of the 'geomorphological sense' of the model by comparison with observed drift patterns.
URI: http://hdl.handle.net/1807/3349
Appears in Collections:Environmental Science

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