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dc.contributor.author Wyer, Mark D.
dc.contributor.author Kay, David
dc.contributor.author Watkins, John
dc.contributor.author Davies, Cheryl
dc.contributor.author Kay, Chris
dc.contributor.author Thomas, Rod
dc.contributor.author Porter, Jonathan
dc.contributor.author Stapleton, Carl M.
dc.contributor.author Moore, Heather
dc.date.accessioned 2011-05-19T10:08:40Z
dc.date.available 2011-05-19T10:08:40Z
dc.date.issued 2010-09
dc.identifier.citation Wyer , M D , Kay , D , Watkins , J , Davies , C , Kay , C , Thomas , R , Porter , J , Stapleton , C M & Moore , H 2010 , ' Evaluating short-term changes in recreational water quality during a hydrograph event using a combination of microbial tracers, environmental microbiology, microbial source tracking and hydrological techniques: A case study in Southwest Wales, UK ' Water Research# , vol 44 , no. 16 , pp. 4783-4795 . , 10.1016/j.watres.2010.06.047 en
dc.identifier.issn 0043-1354
dc.identifier.other PURE: 160959
dc.identifier.other dspace: 2160/6774
dc.identifier.uri http://hdl.handle.net/2160/6774
dc.description Sponsorship: Environment Agency IMPF: 04.54 en
dc.description.abstract Quantitative assessment of multiple sources to short-term variations in recreational water quality, as indexed by faecal indicator organism (FIO) concentrations, is becoming increasingly important with adoption of modern water quality standards and catchment-based water quality management requirements (e.g. the EU Water Framework Directive, Article 11 ‘Programmes of Measures’ and the US Clean Water Act, ‘Total Maximum Daily Loads’). This paper describes a study combining microbial tracers, intensive FIO measurement, open channel hydrology and molecular microbial source tracking (MST) to enhance understanding of recreational water quality at Amroth in southwest Wales, UK. Microbial tracers were released from four stream inputs during a moderate hydrograph event. Tracers from two local streams impacted simultaneously with a period of maximum FIO concentrations at the near-shore compliance monitoring site. Connection between these inputs and this site were rapid (9–33 min). Water quality impairment from a more remote stream input followed, 12.85 h after tracer release, sustaining FIO concentrations above desired compliance levels. MST analysis showed dominance of ruminant Bacteroidales genetic markers, associated with agricultural pollution. This integration of tracers and MST offers additional information on the movement and individual sources causing water quality impairment. en
dc.format.extent 13 en
dc.language.iso eng
dc.relation.ispartof Water Research# en
dc.title Evaluating short-term changes in recreational water quality during a hydrograph event using a combination of microbial tracers, environmental microbiology, microbial source tracking and hydrological techniques: A case study in Southwest Wales, UK en
dc.type /dk/atira/pure/researchoutput/researchoutputtypes/contributiontojournal/article en
dc.identifier.doi http://dx.doi.org/10.1016/j.watres.2010.06.047
dc.contributor.institution Institute of Geography & Earth Sciences en
dc.contributor.institution River Basin Dynamics and Hydrology en
dc.description.status Peer reviewed en


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