Different modelling approaches to evaluate nitrogen transport and turnover at the watershed scale. Epelde, A., M., Antiguedad, I., Brito, D., Jauch, E., Neves, R., Garneau, C., Sauvage, S., & Sánchez-Pérez, J., M. Journal of Hydrology, 539:478 - 494, 2016.
Different modelling approaches to evaluate nitrogen transport and turnover at the watershed scale [link]Website  abstract   bibtex   
Summary This study presents the simulation of hydrological processes and nutrient transport and turnover processes using two integrated numerical models: Soil and Water Assessment Tool (SWAT) (Arnold et al., 1998), an empirical and semi-distributed numerical model; and Modelo Hidrodinâmico (MOHID) (Neves, 1985), a physics-based and fully distributed numerical model. This work shows that both models reproduce satisfactorily water and nitrate exportation at the watershed scale at annual and daily basis, MOHID providing slightly better results. At the watershed scale, both SWAT and MOHID simulated similarly and satisfactorily the denitrification amount. However, as MOHID numerical model was the only one able to reproduce adequately the spatial variation of the soil hydrological conditions and water table level fluctuation, it proved to be the only model able of reproducing the spatial variation of the nutrient cycling processes that are dependent to the soil hydrological conditions such as the denitrification process. This evidences the strength of the fully distributed and physics-based models to simulate the spatial variability of nutrient cycling processes that are dependent to the hydrological conditions of the soils.
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 title = {Different modelling approaches to evaluate nitrogen transport and turnover at the watershed scale},
 type = {article},
 year = {2016},
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 keywords = {Denitrification,MOHID,Nitrate pollution,Numerical model,SWAT},
 pages = {478 - 494},
 volume = {539},
 websites = {http://www.sciencedirect.com/science/article/pii/S0022169416303432},
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 abstract = {Summary
This study presents the simulation of hydrological processes and nutrient transport and turnover processes using two integrated numerical models: Soil and Water Assessment Tool (SWAT) (Arnold et al., 1998), an empirical and semi-distributed numerical model; and Modelo Hidrodinâmico (MOHID) (Neves, 1985), a physics-based and fully distributed numerical model. This work shows that both models reproduce satisfactorily water and nitrate exportation at the watershed scale at annual and daily basis, MOHID providing slightly better results. At the watershed scale, both SWAT and MOHID simulated similarly and satisfactorily the denitrification amount. However, as MOHID numerical model was the only one able to reproduce adequately the spatial variation of the soil hydrological conditions and water table level fluctuation, it proved to be the only model able of reproducing the spatial variation of the nutrient cycling processes that are dependent to the soil hydrological conditions such as the denitrification process. This evidences the strength of the fully distributed and physics-based models to simulate the spatial variability of nutrient cycling processes that are dependent to the hydrological conditions of the soils.},
 bibtype = {article},
 author = {Epelde, Ane Miren and Antiguedad, Iñaki and Brito, David and Jauch, Eduardo and Neves, Ramiro and Garneau, Cyril and Sauvage, Sabine and Sánchez-Pérez, José Miguel},
 journal = {Journal of Hydrology}
}

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