Trent University Graduate Thesis Collection

Item Description

Identifier

tula:etd

Type

Collection

Language

eng

Extent

1 item

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Displaying 1 - 2 of 2

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Displaying 1 - 2 of 2

The Effect of Water Surface Simulated Rain Drop Impacts on Water to Air Chemical Transfers of Perfluorinated Carboxylic Acids (PFCAs)

Year: 2014, 2014

Member of: Trent University Graduate Thesis Collection

Name(s): Creator (cre): McInnes, Mark Andrew, Thesis advisor (ths): Ellis, David A, Degree committee member (dgc): Thompson, Matthew, Degree committee member (dgc): Gueguen, Celine, Degree committee member (dgc): Stock, Naomi, Degree granting institution (dgg): Trent University

Abstract: <p>Perfluorinated carboxylic acids (PFCAs) are anthropogenic environmentally ubiquitous surfactants that tend to concentrate on water surfaces. This investigation looked at the effect of simulated rain on the atmospheric concentration of a suite of PFCAs (C2 - C12) above the bulk water system. Increased air concentrations of all PFCAs were detected during simulated rain events. Long chain… more

The effects of environmental variables and dissolved organic matter characteristics on the diffusion coefficient of dissolved organic matter using diffusive gradients in thin films

Year: 2014, 2014

Member of: Trent University Graduate Thesis Collection

Name(s): Creator (cre): Balch, Jordan, Thesis advisor (ths): Gueguen, Celine, Degree committee member (dgc): Hickey, Brendan, Degree committee member (dgc): Thompson, Matthew, Degree committee member (dgc): Aherne, Julian, Degree granting institution (dgg): Trent University

Abstract: <p>The efficacy of the diffusive gradients in thin films (DGT) passive samplers to provide accurate measurements of free metal ions and those complexed with dissolved organic matter (DOM) was investigated. DOM controls the diffusive properties of DOM-complexed metal species in natural systems. Knowing the diffusion coeiffiecent (D) for DOM of different molecular weights (MW) and the major… more