NDLI: Amélioration et calage du modèle de transport de polluants et pesticides (POPES) et application sur le bassin versant de la rivière Beaurivage :Rapport final.

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Amélioration et calage du modèle de transport de polluants et pesticides (POPES) et application sur le bassin versant de la rivière Beaurivage :Rapport final.

Content Provider	Semantic Scholar
Author	Lasbleis, François Savary, Stéphane Rousseau, Alain N.
Copyright Year	2008
Abstract	Nitrogen and phosphorus are compounds of major importance in plant development, especially during the first steps of growing. Natural sources appear mostly insufficient to supply the needs of the cultures in order to obtain high crop production. Consequently, the use of fertilizer is more and more frequent in agricultural exploitation, which triggers a progressive enrichment of soils with different pollutants like nitrogen and phosphorus. Nutrient soils levels like 1 to 5 tons/ha (Brady, 1990) and 0.5 to 2 tons/ha concerning nitrogen and phosphorus respectively are considered usual in North American agricultural exploitation (Beaudin, 2006). Enrichment of soils leads to a regular increase of nutrients concentrations in stream water, like NO3and dissolved forms of phosphorus, which could reach more and more frequently their respective standards of drinkability. In order to understand, evaluate and compare the influence of different agricultural practices on water quality at the watershed scale, forward-looking tools are necessary to integrate the inherent complexity at this scale. The software GIBSI (Integrated Management of watershed with a computerized system) was developed at the INRS-ETE (Villeneuve et al., 1998) to answer this problem. The program GIBSI is an integrated modeling software (with an hydrological model and a database management system) and a system of spatial analysis (including a GIS), which will be applied here on the Beaurivage watershed.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://espace.inrs.ca/1025/1/R001022.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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