Eutrophication from Agriculture Sources (Phosphorus and Nitrogen) - Modelling P Losses from Soils

Eutrophication from Agriculture Sources (Phosphorus and Nitrogen) - Modelling P Losses from Soils

This project will focus on developing and validating models which predict phosphorus (P) loss from soil to water. The project has adopted two parallel but complimentary streams of modelling research. These are process-based models and empirical or predictive models. The distributed catchment models SHETRAN, SWAT and BASINS will include a phosphorus component which predicts event-based P loading to surface waters which are spatially distributed in a catchment. The empirical approach combines risk assessment precepts and statistical techniques to derive a model based on catchment characteristics such as soil type, land use, topography to predict river P levels. The project will utilise water quality and stream flow data collected from other EPA RTDI studies (2.1.1) and also from the catchment management and monitoring studies of the Lough Derg/Ree and the Three Rivers Project.

If you want to read more about this project, you can do so at erc.epa.ie.

Environmental Protection Agency 2000-LS-2.2.2-M2
Owen Carton

Keywords: Eutrophication; Agriculture; Phosphorus loss; Soils

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