Graduate Thesis Or Dissertation
 

Fishing for Hypoxia: Exploring Coastal Oxygen Dynamics and Predictability of Low Oxygen Episodes through a Partnership with the Oregon Dungeness Crab Fishing Fleet

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/v118rn06h

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  • Coastal hypoxia, or low oxygen episodes pose a threat to marine resources in the Pacific Northwest. Previous research into nearshore oxygen dynamics have linked coastal upwelling to this seasonally occurring phenomenon, however the manifestation of hypoxic waters over coastal fishing grounds was not well understood. Through a partnership with Dungeness crab fishermen, this research documents the pilot use of an experimental dissolved oxygen (DO) sensing system designed to be used in tandem with fishing effort. Through an unprecedented network of coastal oxygen observations deployed throughout the Oregon coast, this partnership allowed researchers to explore the regional variations in DO during the 2020 upwelling season. In addition to better understanding spatial variation in nearshore ocean conditions, I also sought to create statistical models that could be used to generate predictions of hypoxic episodes. Outcomes generated by this research illustrate the value of adding additional DO observations to forecasts, and demonstrate the viability of the collaborative experimental system to supplement traditional ocean observing techniques.
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  • NOAA CHRP award NA18NOS4780169 to Oregon State University
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  • Pending Publication
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  • 2021-09-14 to 2022-10-15

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