Urban Sediment Removal
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Urban Sediment Removal
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Author : Robert Brinkmann
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Urban Sediment Removal written by Robert Brinkmann and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
There is not an extensive literature on street sweeping. Much of the research that has been completed exists in the "gray" area of technical reports and government documents. Furthermore, a great deal of this research is locally based, and has not been widely published. Indeed, our review of the scientific literature, revealed that, while storm water quality has received a lot of attention, few academicians have been involved in street sweeping research per se. Thus, throughout our research into street we sweeper effectiveness, sweeping protocols, and sweeping practices, wished that there had been a book summarizing some of the important issues associated with street sweeping. As our frustration grew, we realized that we were uniquely poised to write such a book as our research had encompassed a variety of different projects including sweeper testing, waste management, and related storm water quality. Also, early on in this exercise, we recognized that there was a growing demand for information about street sweeping policies and management, especially for studies focusing on the effectiveness of different sweeping schedules, on waste management operations, and on non-point, pollution reduction practices associated with storm water runoff. It was abundantly clear that there was a profound lack of research on street sweeping that could assist with developing local, regional, or national policies. There was, in effect, little guidance for city managers on these issues.
Urban Sediment Removal
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Author : Robert Brinkmann
language : en
Publisher:
Release Date : 2001-08-01
Urban Sediment Removal written by Robert Brinkmann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-08-01 with categories.
Sediment Removal From Urban Runoff Using Seep Berms And Vegetative Filtration
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Author : Firas Nadim Hamade
language : en
Publisher:
Release Date : 2013
Sediment Removal From Urban Runoff Using Seep Berms And Vegetative Filtration written by Firas Nadim Hamade and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Filters and filtration categories.
Previous field demonstration projects in metro-Atlanta have shown that seep berms, which are elongated sedimentation basins at the outlet of a disturbed land area, can provide high suspended sediment trap efficiencies with respect to coarse sediments on construction sites having drainage areas greater than five acres. Previous literature has shown that vegetative filter strips are efficient traps for fine suspended sediment in stormwater runoff. A combination of a seep berm and vegetative filter in series was studied in this thesis as an erosion control measure with quantification of its flow resistance and sediment removal efficiency. First, a field demonstration project was implemented to evaluate seep berms as a viable erosion control measure through a side-by-side comparison with the more commonly-used silt fences on construction sites with drainage areas less than five acres in metro Atlanta. High suspended sediment trap efficiencies were recorded for the seep berm on two separate sites, and the seep berm was shown to be superior to silt fences with respect to sediment control in the site runoff. Then a vegetative filter was studied in the laboratory in a specially-built flume for that purpose. The relationship between vegetative drag coefficient and various parameters reflecting flow conditions and vegetation density in steady, uniform open channel flow was studied in the flume. Both rigid, emergent vegetation and submerged, flexible vegetation were studied at two different plant densities. The application of porous media flow concepts to open channel flow through vegetation resulted in a collapse of data for vegetative drag coefficient for the various vegetation types and densities into a single relationship when plotted against vegetative stem Reynolds number. Point velocity and turbulence intensity profiles at different locations in the vegetative filter were recorded with an acoustic Doppler velocimeter to observe the turbulence structure of the flow and its effects on vegetative drag and settling of sediment. A sediment slurry consisting of a suspension of fine sand was fed into the flume, and an automated sampler was used to measure suspended sediment concentrations along the vegetative filter length for a series of discharges from which sediment flux and trap efficiency could be determined. Experimental data for trap efficiency were plotted against a dimensionless settling efficiency for each type of vegetation and density. These relationships, along with the one developed for the coefficient of drag, were applied in a numerical design technique that allows designers to determine the flow depth, velocity and trap efficiency of a vegetative filter of known dimensions for a given flow rate, sediment grain size distribution, slope, and vegetation density. In a typical design example, the combined trap efficiency proved that a seep berm followed by a vegetative filter can be a very effective erosion control measure.
Sediment In Urban Areas
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Author : J. Marsalek
language : en
Publisher:
Release Date : 1990
Sediment In Urban Areas written by J. Marsalek and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Hydrologie urbaine categories.
Urban Stormwater
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Author : Victorian Stormwater Committee,
language : en
Publisher: CSIRO PUBLISHING
Release Date : 1999-10-28
Urban Stormwater written by Victorian Stormwater Committee, and has been published by CSIRO PUBLISHING this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-10-28 with Science categories.
The intense concentration of human activity in urban areas leads to changes in both the quantity and quality of runoff that eventually reaches our streams, lakes, wetlands, estuaries and coasts. The increasing use of impervious surfaces designed to provide smooth and direct pathways for stormwater run-off, has led to greater runoff volumes and flow velocities in urban waterways. Unmanaged, these changes in the quantity and quality of stormwater can result in considerable damage to the environment. Improved environmental performance is needed to ensure that the environmental values and beneficial uses of receiving waters are sustained or enhanced. Urban Stormwater - Best-Practice Environmental Management Guidelines resulted from a collaboration between State government agencies, local government and leading research institutions. The guidelines have been designed to meet the needs of people involved in the planning, design or management of urban land uses or stormwater drainage systems. They provide guidance in ten key areas: *Environmental performance objectives *Stormwater management planning *Land use planning *Water sensitive urban design *Construction site management *Business surveys *Education and awareness *Enforcement *Structural treatment measures *Flow management Engineers and planners within local government, along with consultants to the development industry, should find the guidelines especially useful. Government agencies should also find them helpful in assessing the performance of stormwater managers. While developed specifically for application in Victoria, Australia, the information will be of value to stormwater managers everywhere.
Settleability Of Urban Runoff Pollution
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Author : William Whipple
language : en
Publisher:
Release Date : 1980
Settleability Of Urban Runoff Pollution written by William Whipple and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Sedimentation and deposition categories.
Design Of Urban Stormwater Controls
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Author : Water Environment Federation. Design of Urban Stormwater Controls Task Force
language : en
Publisher: McGraw Hill Professional
Release Date : 2012-05-29
Design Of Urban Stormwater Controls written by Water Environment Federation. Design of Urban Stormwater Controls Task Force and has been published by McGraw Hill Professional this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-05-29 with Science categories.
MOP 87 promotes the protection of urban water resources by controlling stormwater runoff, with an emphasis on combining traditional stormwater controls with green infrastructure.
The Doctrine Of R Moses B Joseph Halevi On Providence Georges Vajda
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Author : גורגס בגדה
language : en
Publisher:
Release Date :
The Doctrine Of R Moses B Joseph Halevi On Providence Georges Vajda written by גורגס בגדה and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Residential Erosion And Sediment Control
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Author : Urban Land Institute
language : en
Publisher:
Release Date : 1978
Residential Erosion And Sediment Control written by Urban Land Institute and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Nature categories.
A Guide For Best Management Practice Bmp Selection In Urban Developed Areas
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Author : Task Committee for Evaluating Best Management Practices
language : en
Publisher: ASCE Publications
Release Date : 2001-01-01
A Guide For Best Management Practice Bmp Selection In Urban Developed Areas written by Task Committee for Evaluating Best Management Practices and has been published by ASCE Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-01-01 with Technology & Engineering categories.
This guide examines permanent structural techniques, or Best Management Practices (BMPs), which can be used for retrofitting the stormwater management systems in existing developed areas. The advantages and disadvantages of each technique are explained to help engineering professionals select the BMP (or series of BMPs) best suited for removing pollutants from stormwater runoff at a particular location. The design factors considered include land availability, type of pollutant to be removed, groundwater levels, soil types, BMP costs, maintenance costs, and desired pollutant removal efficiency. The BMPs evaluated are ponds, alum treatment systems, constructed wetlands, sand filters, baffle boxes, inlet devices, vegetated swales, buffer strips, and infiltration/exfiltration trenches. A BMP Selection Guide, in an easy-to-use matrix format, aids in the decision-making process for BMP selections. Five design factors and five pollutant types (total suspended solids, total phosphorus, total nitrogen, heavy metals, and floating trash) are evaluated for each BMP in the matrix. BMPs presented in this guide were chosen based upon common availability, ease of maintenance, and an established track record.