stormwater Articles
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Influence factors and prediction of stormwater runoff of urban green space in Tianjin, China: laboratory experiment and quantitative theory model
The effects of limiting factors such as rainfall intensity, rainfall duration, grass type and vegetation coverage on the stormwater runoff of urban green space was investigated in Tianjin. The prediction equation of stormwater runoff was established by the quantitative theory with the lab experimental data of soil columns. It was validated by three field experiments and the relative errors ...
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Stormwater
Stormwater is a term used to describe water that originates during precipitation events. It may also be used to apply to water that originates with snowmelt or runoff water from overwatering that enters the stormwater system. Stormwater that does not soak into the ground becomes surface runoff, which either flows directly into ...
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Retrofitting a stormwater retention pond using a deflector island
Stormwater retention ponds are one of the principal methods to treat stormwater runoff. Analysis of residence time distribution (RTD) curves can be used to evaluate the capability of these ponds for sediment removal. Deflector islands have been suggested as a means of improving the performance of retention ponds, due to their diffusing the inlet jet. In this study, the effect of an island on ...
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Paving Success with Stormwater
Chuck Taylor lives for rain. Sure, he’s heard the comments about not having enough sense about his habit of standing outside during a downpour. His preference for rain isn’t that this contractor enjoys the smell of wet clothing. Taylor’s fascination with inclement weather comes from the satisfaction while seeing his company’s workmanship ...
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Flow Balance - Case Study
Monitor inflow and outflow of stormwater infiltration and control ...
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Capturing the Potential of Stormwater
Management of the urban water cycle in Australia has changed significantly over the past few decades. Stormwater management philosophy has evolved from the conventional, but still important, flood mitigation paradigm, to the current runoff quality control approach. It is now progressing towards the harvesting and reuse concept whilst retaining the previous two targets. iven the current interest ...
By IVWater
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Don’t Forget about Stormwater Management
Whether you’re an industrial maintenance manager or retail store manager, one of your many responsibilities may be to keep your property compliant with environmental rules and regulations. From waste management to vapor intrusion, the multitude of compliance-related issues can be daunting.It therefore comes as no surprise that for most retailers, the issue of stormwater management has not always ...
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Alkylphenols in atmospheric depositions and urban runoff
A sampling campaign was conducted in order to determine alkylphenol (AP) concentrations in stormwater as well as potential AP sources in suburban environments. An analytical procedure was developed to quantify APs in bulk atmospheric deposition, building runoff, road runoff and stormwater. Both nonylphenols and octylphenols could be quantified in each sample. Median stormwater concentrations ...
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GETTING A-LOK CONNECTORS APPROVED AND USED
This article identifies the 4 groups who need to be contacted, to promote A-lok watertight connectors for sanitary and stormwater contaiment systems ,in areas through out the world where they are presently not in ...
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An exploratory study of the effects of stormwater pipeline materials on transported stormwater quality
Implications of three sewer pipe materials (concrete, galvanized corrugated steel, and polyvinyl chloride (PVC)) for stormwater quality were explored in laboratory experiments, in which three types of stormwater, SW1–SW3, were circulated in 0.5 m long sewer pipe sections. SW1 and SW2 represented synthetic rainwater, without and with fine street sediment added (CTSS = 150 mg/L), respectively, ...
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Washington State DOE stormwater report - Case Study
Fitesa, a non-wovens manufacturer in the state of Washington consistently tests stormwater but experienced problems meeting the stormwater standards for zinc and copper discharge. Zinc is used in galvanized metal, shingles, finishes in paints, and car tires—zinc iseverywhere. Copper is used in items such as in brake linings and pressure treated lumber. At sites near heavily traveled roads, ...
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Stormwater ponds more than meets the eye
Conference paper detailing Stormwater ponds management in Auckland, New Zealand. View at www.Morphum.com ...
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The impact of stormwater source-control strategies on the (low) flow regime of urban catchments
Stormwater management strategies increasingly recognise the need to emulate the pre-development flow regime, in addition to reducing pollutant concentrations and loads. However, it is unclear whether current design approaches for stormwater source-control techniques are effective in restoring the whole flow regime, and in particular low flows, towards their pre-development levels. We therefore ...
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Investigating psychological factors of behavioural intention of urban residents in South Australia to use treated stormwater for non-potable purposes
This paper reports on the intentions of urban residents in two South Australian Local Government Areas (LGAs) (council areas) to use stormwater treated through a managed aquifer recharge process for various potential non-potable uses. Data were collected through an online survey of the residents in these LGAs. The key finding is that, in common with recycled sewage water, the intention to use ...
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Contribution of trace metals from atmospheric deposition to stormwater runoff in a small impervious urban catchment
The contribution of atmospheric deposition to emissions of trace metals in stormwater runoff was investigated by quantifying wet and dry deposition fluxes and stormwater discharges within a small, highly impervious urban catchment in Los Angeles. At the beginning of the dry season in spring 2003, dry deposition measurements of chromium, copper, lead, nickel, and zinc were made monthly for 1 ...
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The impact of intentional stormwater infiltration on soil and groundwater
ABSTRACTStormwater infiltration is a principle which is more and more utilized on urban sites in France. However, given the characteristics of urban surfaces, and notably the amounts of the different pollutants that stormwater is likely to contain, it is important to try to assess the impact of intentional stormwater infiltration systems on the soil, and on groundwater. To try to answer that type ...
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Element patterns for particulate matter in stormwater effluent
Particulate matter in stormwater deteriorates the quality of receiving water and sediment. Characterization of stormwater particulate matter by means of its particle-associated element pattern provides an aid to determining its impact on receiving surface waters. During a 6 month measurement campaign, we determined particle-associated concentrations of major pollutants and rare earths for three ...
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In search of effective bioassessment of urban stormwater pond sediments: enhancing the ‘sediment quality triad’ approach with oligochaete metrics
Stormwater ponds have been widely used to control increased volumes and rates of surface runoff resulting from urbanization. As receiving waters, they are under the influence of intermittent pollution from urban wet-weather discharges. Meanwhile they offer new aquatic habitats balancing the transformation of initial ecosystems and their associated biodiversity. Bioassessment of stormwater ...
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Productivity Gains in Stormwater Design
For some engineering consultants, traditional stormwater pond design can be one of the most frequent projects within their services portfolio. An engineer with prior experience can size and produce plans with assistance from modeling software, AutoCAD, and supporting tools with relative ease. But even very routine projects can benefit from modeling software improvements. McBade Engineers and ...
By Innovyze
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Resilience in the context of a stormwater infrastructure report card
This article is a product of an independent study effort accomplished over the span of two semesters at the US Air Force Academy. The authors set out with the intent of investigating the state of current thought regarding resiliency as it applies to domestic public infrastructure systems. In order to bridge the gap between theory and practice, an American Society of Civil Engineers local ...
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