Results 251 to 260 of about 60,314 (290)
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Redefining the stormwater first flush phenomenon
Water Research, 2010The first flush in urban runoff has been an important, yet disputed phenomenon amongst many researchers. The vast differences in the evidence could be solely due to limitations of the first flush current definition and the approach used for its assessment.
Bach, Peter M. +2 more
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Journal of Hydrologic Engineering, 2010
The goals of storm-water management have shifted from a flood control to a holistic and sustainable strategy, emphasizing the relationship between rainfall event size and pollutant loadings. The first flush concept is the first part of a rainfall event that contains the largest pollutant loading. Questions have been raised on the concept's validity for
Batroney, Thomas. +2 more
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The goals of storm-water management have shifted from a flood control to a holistic and sustainable strategy, emphasizing the relationship between rainfall event size and pollutant loadings. The first flush concept is the first part of a rainfall event that contains the largest pollutant loading. Questions have been raised on the concept's validity for
Batroney, Thomas. +2 more
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Effect of the first-flush phenomenon on the quantification of microplastics in rainwater
Marine Pollution Bulletin, 2023Precipitation of airborne microplastics (MPs) by rainfall is one of the major transport pathways of MPs from land-to-marine. While most studies examining wet precipitation of MPs collect surface runoffs, direct investigations of MPs in rainwater are hardly reported. In this study, high-frequency and direct rainwater sampling methodology considering the
Taegu, Do +5 more
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Modeling of first-flush reactor for stormwater treatment
, 2022 Stormwater runoff is one of the most common sources of non-point source water pollution to lakes, rivers and estuaries. Nitrate-nitrogen in stormwater runoff is an important limiting factor to the eutrophication phenomenon.
Sun, Shaowei
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Accounting, Auditing & Accountability Journal, 2011
Purpose – A satire on academic school board meetings.Design/methodology/approach – A poetic reflection on the proclivity of academics for lengthy meeting debates on matters of no importance.Findings – Meetings tend to attract and sustain lengthy speeches and debates that often produce little beyond the self‐amusement of participants who enjoy debate ...
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Purpose – A satire on academic school board meetings.Design/methodology/approach – A poetic reflection on the proclivity of academics for lengthy meeting debates on matters of no importance.Findings – Meetings tend to attract and sustain lengthy speeches and debates that often produce little beyond the self‐amusement of participants who enjoy debate ...
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First Flush of Organics in Highway Runoff
Global Solutions for Urban Drainage, 2002Stormwaters from three highway sites were monitored over two wet seasons for organics, Chemical oxygen demand, oil and grease and polyaromatic hydrocarbons (PAHs) were measured. The sites exhibited a first flush in most cases for most parameters. The mass first flush ratio (the ratio of the normalized transported mass of pollutant to the normalized ...
Sim-Lin Lau +3 more
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Seasonal first flush phenomenon of urban stormwater discharges
Water Research, 2004California's climate, typified by winter and spring precipitation and summer drought, is often called a Mediterranean climate, and creates a long period for pollutant build-up. The initial storms of the winter season usually have higher pollutant concentrations, which is called a seasonal first flush.
Haejin, Lee +3 more
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First Flush Stormwater Runoff from Highways
Bridging the Gap, 2001Stormwater is now receiving attention from regulatory agencies and has become an important component in watershed planning. In many cases, pollutant mass emissions from stormwater exceed those from wastewater treatment plants. Land use has been identified as an important parameter in predicting stormwater quality.
M. K. Stenstrom +7 more
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Storm Flow from First-Flush Precipitation in Stormwater Design
Journal of Irrigation and Drainage Engineering, 2004Regulations for mitigating nonpoint source pollution from urban areas often include a requirement for treatment of a first-flush depth of stormwater. When the stormwater treatment technology requires specification of a design flow rate, the first-flush depth must be related to a first-flush flow rate. This paper describes a methodology to determine the
Ahlfeld, DP, Minihane, M
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The LooLoop-Process: The First “Waterless” Flushing Toilet
2008The environmentally open disposal of fecal contaminated wastewater flows from flushing toilets has caused and is causing a broad variety of qualitative threats and problems. Additionally, the extraction of freshwater for domestic uses from long-term renewable water resources, like ground water, and the following disposal into short-term renewable water
U. Braun +4 more
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