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Andrew_James_Blinn_Thesis.pdf (2.21 MB)

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Quantifying the Response of Stream Metabolism to High Flow Resulting From Storms in Urban Watersheds Near Cleveland, OH and Denver, CO.

Blinn, Andrew James
http://orcid.org/0000-0003-4657-1098
http://rave.ohiolink.edu/etdc/view?acc_num=kent1669292524089894

Abstract Details

2022, MS, Kent State University, College of Arts and Sciences / Department of Biological Sciences.
Indices of stormwater management effectiveness focus on the cumulative effect actions have on the hydrologic regimes and levels of erosion mitigation in the watershed. To understand the broader implications of stormwater management can have on water quality and ecosystem health, hydrologic regimes of urban streams are linked to metrics of functional disturbance through long-term monitoring of water chemistry and environmental conditions. High-frequency data from sensors placed in-stream and remote satellite data of solar irradiance were collected over a two-year study period in three streams near Cleveland, Ohio and Denver, Colorado. Daily rates of gross primary production (GPP) and ecosystem respiration (ER), and of gas exchange velocity were estimated through inverse Bayesian modeling of dissolved oxygen dynamics. Estimates of GPP and ER provide point-comparisons of stream ecosystem function before and after storm events, quantifying the resistance of production and respiration to hydrologic pulses. Results show ecosystem respiration to be more less responsive, or more resistant, to high flow than gross primary production, resulting in well-lit streams rarely or never experiences days of net-autotrophic function. Recovery intervals of GPP were often interrupted by frequent high-intensity storms, indicating cumulative degradation of ecosystem function over time.
David Costello (Advisor)
Christie Bahlai (Committee Member)
Anne Jefferson (Committee Member)
53 p.
Freshwater Ecology
stream metabolism; disturbance; urban ecology

Recommended Citations

Citations

  • Blinn, A. J. (2022). Quantifying the Response of Stream Metabolism to High Flow Resulting From Storms in Urban Watersheds Near Cleveland, OH and Denver, CO. [Master's thesis, Kent State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=kent1669292524089894

    APA Style (7th edition)

  • Blinn, Andrew. Quantifying the Response of Stream Metabolism to High Flow Resulting From Storms in Urban Watersheds Near Cleveland, OH and Denver, CO. 2022. Kent State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=kent1669292524089894.

    MLA Style (8th edition)

  • Blinn, Andrew. "Quantifying the Response of Stream Metabolism to High Flow Resulting From Storms in Urban Watersheds Near Cleveland, OH and Denver, CO." Master's thesis, Kent State University, 2022. http://rave.ohiolink.edu/etdc/view?acc_num=kent1669292524089894

    Chicago Manual of Style (17th edition)

kent1669292524089894
93
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This open access ETD is published by Kent State University and OhioLINK.