Evaluation of Best Management Practice Scenarios for Reducing Total Phosphorous Loads into Lake Erie from the Grand River Watershed, Ontario

This research update a Soil and Water Assessment Tool (SWAT) model, previously designed for the Grand River basin, (more details on the model setup can be found in https://doi.org/10.1016/j.jglr.2016.02.008 ), to estimate the hydrological and water quality impacts of implementing different BMPs across the watershed. The model will be developed using a long-term time series of approximately 30 years and its simulation results will be compared with monitoring data, namely flow and water quality data, to calibrate and validate our results. To achieve this, this study gathered from provincial and federal datasets (and for the time period considered in the model simulation) data on (i) physical and chemical variables in the Grand River watershed, namely streamflow, water quality data, including sediment and nutrients data (dissolved and total phosphorous), and (ii) climate data, namely temperature, precipitation, wind, relative humidity, and solar radiation.

The main objective of the project is to evaluate the environmental effectiveness of Best Management Practices (BMP) in reducing total phosphorous loads into Lake Erie from the Grand River watershed in Ontario.

Pinto, R., & Brouwer, R. (2019). Evaluation of Best Management Practice Scenarios for Reducing Total Phosphorous Loads into Lake Erie from the Grand River Watershed, Ontario. Waterloo, Canada: Canadian Cryospheric Information Network (CCIN). (Unpublished Data).

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