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Föroreningsreduktioni dagvattendammar: Enutvärdering av tre dagvattendammar i Umeå kommun
Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences.
2012 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Pollution Reduction in Stormwater Retention Ponds – An Evaluation of Pollution Reduction in three Wet Ponds in Umeå Municipality

stormwaterretention ponds in Umeå municipality. Water samples were collected from theponds inlet and outlet and analyzed for nutrients such as total phosphorous (TP)and total nitrogen (TN) as well as metals. The results revealed that two of theponds (Tomtebo and Västerslätt) show sufficient reduction of nutrients (TP, TN).Mariestrand showed a reduction of TP but an increase in TN concentrations inthe outgoing water. The third pond (Västerslätt) showed reducedconcentrations of TP, TN and all analyzed metals. Channels had been formed byerosion in the vegetative filter strip at the Mariestrand pond, which will needto be repaired to maintain the ponds purifying function. The conclusion of thestudy is that all three wet ponds fulfill their individual purpose ofprotecting their recipients from the risk of eutrophication and metal pollution

Place, publisher, year, edition, pages
2012. , 38 p.
Keyword [en]
Stormwater, retention pond, phosphorous, nitrogen, metals
National Category
Natural Sciences
URN: urn:nbn:se:umu:diva-59417OAI: diva2:552142
External cooperation
Subject / course
Examensarbete i miljö och hälsoskydd
Educational program
Bachelor of Science in Environmental Health
Life Earth Science
Available from: 2012-09-13 Created: 2012-09-13 Last updated: 2012-09-13Bibliographically approved

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