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    Energy Balance, Water Balance, and Plant Dynamics of a Sloped, Thin Extensive Green Roof Installed in the Mid-Atlantic Region of the United States

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    No. of downloads: 843

    Date
    2014
    Author
    Tjaden, Scott William
    Advisor
    Tilley, David
    DRUM DOI
    https://doi.org/10.13016/M2CP67
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    Abstract
    Vegetated extensive green roofs can reduce peak runoff amounts during rain events. As the desire to install green roofs expands beyond roofs with little slope to those with steeper slopes, often found on residential homes, there is a need to understand how slope affects runoff. WaterShed, the University of Maryland's winning entry in the 2011 U.S. Department of Energy Solar Decathlon competition, is used as an applied research site where studies like the runoff analysis can be completed, while helping to promote and demonstrate environmental sustainability and energy consumption efficiency. Instrumentation installed on the roof will allow high-resolution data analysis, producing hydrographs. The research has related the sloped green roof to different moisture holding capacities throughout the different elevations, resulting in a unique energy balance for the installed green roof. The thin substrate did not significantly contribute to overall runoff reduction, rather it helped to reduce the overall peak runoff and elongate the runoff lag after a rain event. This living technology's performance over time in a new application to sloped roofs is crucial both to ensure regulatory standards are met and to provide feedback for future improvements to the design and technology itself.
    URI
    http://hdl.handle.net/1903/16119
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    • Environmental Science & Technology Theses and Dissertations
    • UMD Theses and Dissertations

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    DRUM is brought to you by the University of Maryland Libraries
    University of Maryland, College Park, MD 20742-7011 (301)314-1328.
    Please send us your comments.
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