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TEMPORAL VARIABILITY OF RIVERBED HYDRAULIC CONDUCTIVITY AT AN INDUCED INFILTRATION SITE, SOUTHWEST OHIO

Birck, Matthew D.
http://rave.ohiolink.edu/etdc/view?acc_num=miami1154693775

Abstract Details

2006, Master of Environmental Science, Miami University, Environmental Sciences.
This study investigated the impact of high-stage events on riverbed scour and hydraulic conductivity (Kv). Seepage-meter measured riverbed Kv averaged 0.092 m/d. Slug-test measured Kv of the underlying sediment averaged 9.6 m/d. The low riverbed Kv is probably due to a gravel and cobble layer clogged with fine sediment (colmation layer). Kv of cores of transient material overlying the cobble layer averaged 5.3 m/d. Event-driven scour, measured with cross-sectional profiles, scour chains, and a load-cell pressure sensor, never exceeded 0.06 m, indicating that the colmation layer remained intact, despite even a 60-year event. A riverbed conceptual model of three distinct layers –transient sediment, an armor/colmation layer and a transitional bottom – had an overall Kv of 4.6 m/d. Sensitivity analysis of layer thicknesses indicated that a) the transient layer has negligible impact on the overall Kv and b) loss of the colmation layer, while not observed, could double the overall Kv.
Jonathan Levy (Advisor)
67 p.
riverbed; hydraulic conductivity; seepage meter; colmation; armor; load-cell pressure sensor; scour; riverbank filtration; LT2ESWTR

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Citations

  • Birck, M. D. (2006). TEMPORAL VARIABILITY OF RIVERBED HYDRAULIC CONDUCTIVITY AT AN INDUCED INFILTRATION SITE, SOUTHWEST OHIO [Master's thesis, Miami University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=miami1154693775

    APA Style (7th edition)

  • Birck, Matthew. TEMPORAL VARIABILITY OF RIVERBED HYDRAULIC CONDUCTIVITY AT AN INDUCED INFILTRATION SITE, SOUTHWEST OHIO. 2006. Miami University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=miami1154693775.

    MLA Style (8th edition)

  • Birck, Matthew. "TEMPORAL VARIABILITY OF RIVERBED HYDRAULIC CONDUCTIVITY AT AN INDUCED INFILTRATION SITE, SOUTHWEST OHIO." Master's thesis, Miami University, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=miami1154693775

    Chicago Manual of Style (17th edition)

miami1154693775
867
© 2006, all rights reserved.
This open access ETD is published by Miami University and OhioLINK.