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Design, Construction, and Evaluation of a Bioretention Cell in Marietta, Ohio

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2018, Master of Science (MS), Ohio University, Civil Engineering (Engineering and Technology).
Parking lots are a large contributor of undetained and untreated stormwater runoff in urban watersheds. Green infrastructure (GI) practices, such as bioretention cells (BRCs), can be implemented to offset the negative effects of parking lots. In this study, a BRC was designed to intercept the WQv from an existing asphalt parking lot before it entered nearby Goose Run in Marietta, Ohio. Construction errors limited the ponding storage volume of the BRC to only 18% of the design. Average infiltration rates ranged from 2.66 in/hr to 7.67 in/hr with an overall average rate of 5.24 in/hr. The ability of the undersized BRC to reduce runoff volumes, mitigate peak flows, reduce runoff temperature, and remove TSS from the parking lot runoff before it discharged to Goose Run was investigated. The BRC reduced runoff volumes by 51.1% and 76.4%, reduced peak flows by 66.4% and 81.5% and lagged peak flows by 1.01 hr to 1.58 hr. These conclusion were drawn from inflow and outflow data that were adjusted due to limitations in the monitoring methods and therefore contain some uncertainty. The BRC reduced parking lot runoff temperatures by 3°C. The BRC reduced event average TSS concentrations by 92.1% to 98.7% and EMCs by 93.4% to 97.3%. Effluent TSS concentrations were lowered once a capped orifice design was implemented to control the flows from the underdrain outlet, but further research is still needed.
Guy Riefler (Advisor)
Tiao Chang (Committee Member)
190 p.

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Citations

  • Long, A. M. (2018). Design, Construction, and Evaluation of a Bioretention Cell in Marietta, Ohio [Master's thesis, Ohio University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1523649318957701

    APA Style (7th edition)

  • Long, Andrew. Design, Construction, and Evaluation of a Bioretention Cell in Marietta, Ohio. 2018. Ohio University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1523649318957701.

    MLA Style (8th edition)

  • Long, Andrew. "Design, Construction, and Evaluation of a Bioretention Cell in Marietta, Ohio." Master's thesis, Ohio University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1523649318957701

    Chicago Manual of Style (17th edition)