Spatial and temporal distribution of lead, copper, and zinc in sediments of East Fork Wetland, Seagoville, TX.

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dc.contributor.advisorCobb, George P.
dc.creatorAcharya, Abhilasha, 1988-
dc.date.accessioned2015-02-25T19:51:53Z
dc.date.available2015-02-25T19:51:53Z
dc.date.created2014-12
dc.date.issued2014-10-23
dc.date.submittedDecember 2014
dc.date.updated2015-02-25T19:51:53Z
dc.description.abstractThis study evaluated concentrations of three metals: lead, copper and zinc in sediments of East Fork Wetland, in Seagoville, Texas. Sediments were collected during June 2013, December 2013, and March 2014 from 138 different sites during each sampling event. Analytes were quantified using inductively coupled plasma mass spectrometry following acid digestion of samples. Average lead and zinc concentrations in interval 1 were higher than interval 3. Copper concentrations showed no seasonal variation. Average concentrations of all metals were lower than consensus based sediment quality guideline (SQG) thresholds. SQG consist of threshold effect concentration (TEC), below which harmful effects on benthic organisms are unlikely and probable effect concentration (PEC), above which adverse effects are expected to occur frequently. Approximately 98% of the individual concentrations were below TEC and 42% of data were 50% below TEC. No individual concentrations exceeded PEC levels, therefore sediments can be considered to have low toxicity.
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/2104/9227
dc.language.isoen
dc.rights.accessrightsWorldwide access.en_US
dc.rights.accessrightsAccess changed 5/21/20.
dc.subjectSediments. Metal.
dc.titleSpatial and temporal distribution of lead, copper, and zinc in sediments of East Fork Wetland, Seagoville, TX.
dc.typeThesis
dc.type.materialtext
local.embargo.lift2019-12-01
local.embargo.terms2019-12-01
thesis.degree.departmentBaylor University. Dept. of Environmental Science.
thesis.degree.grantorBaylor University
thesis.degree.levelMasters
thesis.degree.nameM.S.

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