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DEVELOPEMENT OF A CONTINUOUS MODELLING APPROACH CAPABLE OF EVALUATING SEDIMENT REMOVAL PERFORMANCE OF VEGETATIVE FILTER STRIPS IN WATERSHED SCALE

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Title: DEVELOPEMENT OF A CONTINUOUS MODELLING APPROACH CAPABLE OF EVALUATING SEDIMENT REMOVAL PERFORMANCE OF VEGETATIVE FILTER STRIPS IN WATERSHED SCALE
Author: Seradj, Mani
Department: School of Engineering
Program: Engineering
Advisor: Rudra, Ramesh
Abstract: This study focused on development of a continuous watershed-scale modelling approach capable of evaluating sediment removal performance of vegetative filter strips (VFS). This was done by integrating the single-event hydrologic and sediment transport model AGNPS with the event-based VFS model (VFSMOD) applying the methodology developed by Sebti and Rudra (2010), and also through the development and incorporation of sub-models capable of describing changes in hydrologic conditions between rainfall events into the integrated models. For modeling purposes, the buffer zone is divided to segments called “buffer cells”. The upstream source area corresponding to each buffer cell and the flow-path connecting the area to the stream are identified, and runoff and sediment generated within each area is simulated for each event applying AGNPS. Using VFSMOD, performance analysis of VFS is conducted for each buffer cell. By applying the developed “continuous simulation” sub-models the hydrologic conditions prior to each event were determined.
URI: http://hdl.handle.net/10214/2973
Date: 2011-08
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http://creativecommons.org/licenses/by/2.5/ca/ Except where otherwise noted, this item's license is described as http://creativecommons.org/licenses/by/2.5/ca/