Integrating water quality responses to best management practices in Portugal

Environmental Science and Pollution Research International
André FonsecaVítor J P Vilar

Abstract

Nutrient nonpoint pollution has a significant impact on water resources worldwide. The main challenge of this work was to assess the application of best management practices in agricultural land to comply with water quality legislation for surface waters. The Hydrological Simulation Program-FORTRAN was used to evaluate water quality of Ave River in Portugal. Best management practices (infiltration basin) (BMP) were applied to agricultural land (for 3, 6, 9, 12, and 15% area) with removal efficiencies of 50% for fecal coliforms and 30% for nitrogen, phosphorus, and biochemical oxygen demand. The inflow of water quality constituents was reduced for all scenarios, with fecal coliforms achieving the highest reduction between 5.8 and 28.9% and nutrients and biochemical oxygen demand between 2 and 13%. Biochemical oxygen demand and orthophosphates concentrations achieved a good water quality status according to the European Legislation for scenarios of BMP applied to 3 and 12% agricultural area, respectively. Fecal coliform levels in Ave River basin require further treatment to fall below the established value in the abovementioned legislation. This study shows that agricultural watersheds such as Ave basins demand special attention ...Continue Reading

References

Mar 10, 2001·Water Research·L F LeónG J Farquhar
Jun 9, 2009·The Science of the Total Environment·Monika SchaffnerRuth Scheidegger
Jan 31, 2012·Environmental Monitoring and Assessment·Judite VieiraCidália M S Botelho
Sep 25, 2012·Environmental Science and Pollution Research International·Judite VieiraCidália M S Botelho
Feb 8, 2016·The Science of the Total Environment·A R FonsecaF A L Pacheco

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Citations

Aug 20, 2019·Water Environment Research : a Research Publication of the Water Environment Federation·Qiyu LianDaniel Dianchen Gang
Jun 5, 2020·Environmental Monitoring and Assessment·Nuanchan SingkranNaree Intharawichian

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