Improved Parameterization of Sediment Trapping in VFSMOD

5 May, 2020

Vegetative filter strips (VFS) are the most widely implemented mitigation measure to reduce transfer of pesticides and other pollutants to surface water bodies via surface runoff. To reliably model VFS effectiveness in a risk assessment context, an event-based model is needed.
The most commonly used dynamic, event-based model for this purpose is VFSMOD (Muñoz-Carpena and Parsons, 2014). VFSMOD simulates reductions of total inflow and incoming eroded sediment load mechanistically. The reduction of pesticide load by the VFS is subsequently calculated with alternative process-based equations.[...]

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