Essays about: "heavy metals in urban runoff"
Showing result 1 - 5 of 7 essays containing the words heavy metals in urban runoff.
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1. Evaluation of pollutant removal performance of stormwater biofilters in a Swedish climate : Comparison of three different filter media designs
University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurserAbstract : In the recent century, a process of urbanization has increased globally. Previously rural or natural land have been converted into impervious surfaces to make way for housing, industries, and roads. This anthropogenic process has resulted in an increased amount of surface runoff from precipitation, so-called stormwater. READ MORE
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2. Urban stormwater ponds: Evaluation of heavy metals and organic pollutants in stormwater and stormwater sediments
University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurserAbstract : Urban runoff is generated by precipitation of rain and snowmelt on impervious surfaces. The increasing demand of urbanization causes contaminants to accumulate on roads, roofs and pathways. In turn, as runoff wash off these surfaces, contaminants such as heavy metals, particles and organic pollutants end up in the stormwater. READ MORE
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3. An evaluation of the treatment performance of a ten year old stormwater biofilter in Sweden
University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurserAbstract : Urban runoff may be contaminated with, for example, metals, nutrients and sediment. Generally, such runoff enters waterways and oceans without any type of treatment. Bioretention systems can be used to protect the aquatic environment since one of their main objectives is to remove pollutants from stormwater. READ MORE
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4. Tungmetaller i dagvattendammar : en jämförelse mellan beräknade och uppmätta årsmedelhalter i inkommande dagvatten
University essay from SLU/Dept. of Aquatic Sciences and AssessmentAbstract : Dagvatten som rinner längs hårdgjorda ytor i stadsmiljöer kan föra med sig tungmetaller och andra föroreningar från ytorna. Vanligtvis transporteras det förorenade dagvattnet via led- ningsnäten till en recipient där det riskerar att förorena sjöar och vattendrag. READ MORE
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5. Runoff water quality from a green roof and in an open storm water system
University essay from Lunds universitet/Avdelningen för Teknisk vattenresursläraAbstract : Augustenborg storm water system has become well known for its incorporation of urban green spaces. Open storm water system was developed in late 1990s by disconnecting impervious surfaces from combined sewers as a result of flooding problem in the basements after heavy rain events. READ MORE
