Hydrologic-Economic Modeling of the Cost-Effectiveness and Targeting of Nutrient Management in the Gully Creek Watershed, Ontario

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dc.contributor.advisorYang, Wanhong
dc.contributor.advisorLindsay, John
dc.contributor.authorMallon, Christopher John
dc.date.accessioned2017-04-27T16:07:33Z
dc.date.available2017-04-27T16:07:33Z
dc.date.copyright2017-04
dc.date.created2017-04-11
dc.date.issued2017-04-27
dc.degree.departmentDepartment of Geographyen_US
dc.degree.grantorUniversity of Guelphen_US
dc.degree.nameMaster of Scienceen_US
dc.degree.programmeGeographyen_US
dc.description.abstractAgricultural best management practices (BMPs) contribute to reducing non-point source pollution to the Great Lakes. The field-scale cost-effectiveness of nutrient management in the 1,430 ha Gully Creek watershed, south-eastern Ontario was assessed, and the effectiveness of BMP targeting schemes at improving outlet water quality was compared. Baseline scenario results showed outlet loading of 22,018 kg/yr for nitrogen and 5,077 kg/yr for phosphorus. Full adoption reduced nitrogen loading to 21,904 kg/yr and phosphorus loading to 5,060 kg/yr while average net returns increased by $13,370 per year. On fields which most improved water quality, average nitrogen and phosphorus abatement cost-effectiveness was -$35 per kg and -$1,271 per kg respectively. Targeting schemes based on farm size, excess nutrient application, edge-of-field abatement, and outlet abatement were compared. The most effective scheme was targeting by outlet abatement, which only required approximately 25% of cropland to achieve 75% of maximum potential nutrient abatement.en_US
dc.description.sponsorshipEstate of Arthur D. Latornell
dc.description.sponsorshipOntario Graduate Scholarship Program
dc.description.sponsorshipUniversity of Guelph Department of Geograpy
dc.description.sponsorshipUniversity of Guelph Graduate Research Assistant Tuition Supplement
dc.identifier.urihttp://hdl.handle.net/10214/10328
dc.language.isoenen_US
dc.publisherUniversity of Guelphen_US
dc.rightsAttribution-NonCommercial-NoDerivs 2.5 Canada*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/2.5/ca/*
dc.subjecthydrologyen_US
dc.subjectagricultural economicsen_US
dc.subjectnon-point source pollutionen_US
dc.subjectwatershed modelingen_US
dc.subjecthydrologic modelingen_US
dc.subjectimWEBsen_US
dc.subjectagricultural best management practicesen_US
dc.subjectnutrient managementen_US
dc.titleHydrologic-Economic Modeling of the Cost-Effectiveness and Targeting of Nutrient Management in the Gully Creek Watershed, Ontarioen_US
dc.typeThesisen_US
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