The Promise, Practice, and State of Planning Tools to Assess Site Vulnerability to Runoff Phosphorus Loss

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dc.contributor.authorKleinman, P. J. A.en
dc.contributor.authorSharpley, A. N.en
dc.contributor.authorBuda, A. R.en
dc.contributor.authorEaston, Zachary M.en
dc.contributor.authorLory, J. A.en
dc.contributor.authorOsmond, D. L.en
dc.contributor.authorRadcliffe, David E.en
dc.contributor.authorNelson, N. O.en
dc.contributor.authorVeith, Tamie L.en
dc.contributor.authorDoody, D. G.en
dc.contributor.departmentBiological Systems Engineeringen
dc.date.accessioned2020-03-18T12:10:29Zen
dc.date.available2020-03-18T12:10:29Zen
dc.date.issued2017-11en
dc.description.abstractOver the past 20 yr, there has been a proliferation of phosphorus (P) site assessment tools for nutrient management planning, particularly in the United States. The 19 papers that make up this special section on P site assessment include decision support tools ranging from the P Index to fate-and-transport models to weather-forecast-based risk calculators. All require objective evaluation to ensure that they are effective in achieving intended benefits to protecting water quality. In the United States, efforts have been underway to compare, evaluate, and advance an array of P site assessment tools. Efforts to corroborate their performance using water quality monitoring data confirms previously documented discrepancies between different P site assessment tools but also highlights a surprisingly strong performance of many versions of the P Index as a predictor of water quality. At the same time, fate-and-transport models, often considered to be superior in their prediction of hydrology and water quality due to their complexity, reveal limitations when applied to site assessment. Indeed, one consistent theme from recent experience is the need to calibrate highly parameterized models. As P site assessment evolves, so too do routines representing important aspects of P cycling and transport. New classes of P site assessment tools are an opportunity to move P site assessment from general, strategic goals to web-based tools supporting daily, operational decisions.en
dc.description.adminPublic domain – authored by a U.S. government employeeen
dc.description.notesThe authors are grateful to USDA's Natural Resource Conservation Service for support of many of the studies reported in this special collection.en
dc.description.sponsorshipUSDA's Natural Resource Conservation Serviceen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.2134/jeq2017.10.0395en
dc.identifier.eissn1537-2537en
dc.identifier.issn0047-2425en
dc.identifier.issue6en
dc.identifier.pmid29293848en
dc.identifier.urihttp://hdl.handle.net/10919/97346en
dc.identifier.volume46en
dc.language.isoenen
dc.rightsCC0 1.0 Universalen
dc.rights.urihttp://creativecommons.org/publicdomain/zero/1.0/en
dc.titleThe Promise, Practice, and State of Planning Tools to Assess Site Vulnerability to Runoff Phosphorus Lossen
dc.title.serialJournal of Environmental Qualityen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.dcmitypeStillImageen

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