Copper Concentrations in Tidal Creeks and Estuaries of the Eastern Shore and the Relationship to Plasticulture and Copper-based Crop Protectants

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dc.contributor.authorKlawiter, Kathryn Alyceen
dc.contributor.committeechairDietrich, Andrea M.en
dc.contributor.committeememberSimmons, George M. Jr.en
dc.contributor.committeememberGallagher, Daniel L.en
dc.contributor.departmentCivil Engineeringen
dc.date.accessioned2014-03-14T21:52:52Zen
dc.date.adate1998-02-26en
dc.date.available2014-03-14T21:52:52Zen
dc.date.issued1998-02-09en
dc.date.rdate1999-02-26en
dc.date.sdate1998-02-09en
dc.description.abstractThis project investigates the effect of plasticulture and copper-based crop protectants on water quality on the Eastern Shore of Virginia. Water and sediment copper concentrations in both plasticulture and non-plasticulture containing watersheds were measured to determine the scope of copper in Eastern Shore tidal creeks. Runoff from a variety of land-uses including agricultural, plasticultural, residential and natural areas were collected and measured for copper to determine where copper-containing runoff originates. Copper concentrations in plasticulture impacted tidal creeks were higher than background (0 - 3 ug/L) only in spikes, during or immediately after runoff-producing rainfall events. These spikes registered as high as 263 ug/L total copper, or 127 ug/L dissolved copper. Plasticulture and copper-based crop protectants were affirmed as the cause of these spikes because control watersheds indicated no high copper spikes. Runoff from different land-uses verify that copper is present in high concentrations only in runoff from fields engaged in plasticulture and using copper-based crop protectants. Sediment copper concentrations were found to be within the natural range, but exhibited some variability based on proximity to agricultural copper inputs.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-12498-14556en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-12498-14556/en
dc.identifier.urihttp://hdl.handle.net/10919/46475en
dc.publisherVirginia Techen
dc.relation.haspartabstract.pdfen
dc.relation.haspartintro.pdfen
dc.relation.haspartlitrev.pdfen
dc.relation.haspartresults1.pdfen
dc.relation.haspartresults2.pdfen
dc.relation.haspartresults3.pdfen
dc.relation.haspartappend.pdfen
dc.relation.haspartMETHODS.PDFen
dc.relation.haspartDISCUSS.PDFen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectpesticidesen
dc.subjectEastern Shoreen
dc.subjectcopperen
dc.subjectaquacultureen
dc.subjectplasticultureen
dc.titleCopper Concentrations in Tidal Creeks and Estuaries of the Eastern Shore and the Relationship to Plasticulture and Copper-based Crop Protectantsen
dc.typeThesisen
thesis.degree.disciplineCivil Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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