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  • 1
    Electronic Resource
    Electronic Resource
    DISCUSSION (1981)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 17 (1981), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1981.tb01285.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    COMPUTER-OPTIMIZED STORMWATER TREATMENT (COST) PROGRAM: PHILADELPHIA CASE STUDY (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 18 (1982), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: : Two computer models, the Continuous Stormwater Pollution Simulation System (CSPSS) and the Computer Optimized Storm-water Treatment Program (COST), were developed to aid in performing water quality planning. This paper describes COST and its site specific applications to the Philadelphia urban area, using the results from an updated CSPSS receiving water simulation. COST provides a planning and conceptual design tool to identify the economically optimum combination of wet weather and dry weather pollution abatement alternatives. Economic analysis procedures incorporated are based on production theory and marginal cost analysis. This study demonstrates that by transforming BOD removal to reduction in low DO events, using CSPSS results, the benefits associated with pollutant removal can be accounted for explicitly by COST simulations. This is important because a pound of BOD removed from combined sewer overflow may be of more benefit to the receiving water than a pound of BOD removed from urban stormwater runoff. The selection of a pollution control strategy is often a difficult decision which should consider social, political, financial, and regulatory factors. It is suggested that such a selection can be based on evaluating the tradeoffs between total annual costs and receiving water improvements, as determined using the COST and CSPSS programs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1982.tb00071.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    WATER QUALITY ANALYSIS OF THE HALIFAX RIVER, FLORIDA (1980)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 16 (1980), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: : An application of the receiving water block of the EPA Storm Water management Model (SWMM) is presented to quantify water quality impacts and evaluated control alternatives for a 208 areawide waste water management plan in Volusia Country, Florida. The water quality impact analyses were conducted for dry-and wet-weather conditions to simulate dissolved oxygen (DO), chlorides, total nitrogen (TN), and total phosphorus (TP) in the Halifax Rivers, Florida, a 40-kilometer-long tidal estuary located on the Atlantic coast of Florida near Daytona Beach. Dry-weather analysis was performed using conventional 7-day, 10-year low flow conditions to determine a set of unit transfer coefficients which estimate the pollutant concentration transferred to any point in the estuary from a constant unit discharge of pollutants at the existing waste water treatment plant outfall locations. Wet-weather analysis was performed by continuous simulation of a typical three-month summer wet season in Florida. Three-month cumulative duration curves of DO, TN and TP concentrations were constructed to estimate the relative value of controlling urban runoff of waste water treatment plant effluent on the Halifax River. The three-month continuous simulation indicated that the greatest change in DO, TN, and TP duration curves is possible by abatement of waste water treatment plant pollution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1980.tb02392.x
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    Paper (German National Licenses)
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