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Filtering by: Committee Member Özkan-Haller, Tuba Remove constraint Committee Member: Özkan-Haller, Tuba Academic Affiliation College of Earth, Ocean, and Atmospheric Sciences Remove constraint Academic Affiliation: College of Earth, Ocean, and Atmospheric Sciences

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  • Modeling Eddy Correlation Biases Created by Velocity Sensitivities of Clark-type Oxygen Microelectrodes Under Waves

    Creator:
    Albright, Andrea and Albright, Andrea T. P.
    Abstract:
    Field deployments, flume experiments, and a 2D wave model have been used to identify the characteristics of Clark-type oxygen microelectrodes and measurement parameters that could possibly bias eddy correlation (EC) flux measurements made under waves. Eddy correlation is a technique adapted from atmospheric sciences that couples concurrent and co-located velocity...
    Resource Type:
    Capstone Project
    Full Text:
    . Thanks to Tuba Özkan-Haller for teaching me about wave theory and providing the seeds to many of the

  • From the Shoreface to the Foredunes : Coastal Morphodynamics Across the Land-Sea Interface

    Creator:
    Cohn, Nicholas T.
    Abstract:
    Coastal flooding and erosion are major concerns for low lying coastal communities -- particularly in light of accelerated sea level rise and climate change. To improve quantitative understanding of the physical drivers of both flooding and coastal landscape change, this dissertation explores coastal morphodynamics bridging the land-sea interface on modally...
    Resource Type:
    Dissertation
    Date Created:
    Full Text:
    other members of my committee, Tuba Özkan-Haller, Rob Holman, and Michael Olsen as well. I have been

  • Ensemble-variational data assimilation for dynamically challenging coastal ocean circulation

    Creator:
    Pasmans, Ivo
    Abstract:
    Currently, forecasts produced by the Oregon-Washington (OR-WA) Coastal Ocean Forecast System are constrained by assimilation of only surface observations. The 4-dimensional variational (4DVAR) data assimilation (DA) algorithm is utilized to combine the model and the data, with the time-independent forecast ("background'') error covariance B. In this study, two possible improvements...
    Resource Type:
    Dissertation
    Full Text:
    Ozkan-Haller. I am grateful to the college administrative staff for helping out with the neverending

  • Simulating extreme total water levels using a time-dependent, extreme value approach

    Creator:
    Serafin, Katherine A.
    Abstract:
    Coastal flood hazard zones and the design of coastal defenses are often devised using either the maximum recorded total water level (TWL) or a 'design' event such as the 100-year return-level flood, usually projected from observed extreme events. Despite technological advances driving more consistent instrumental records of wave heights and...
    Resource Type:
    Masters Thesis
    Full Text:
    is inspiring. To my other committee members, Rob Holman and Tuba Ӧzkan-Haller, thank you for your

  • Hydrodynamic and Morphologic Controls on Extreme Coastal Total Water Levels Across Regional and Local Scales

    Creator:
    Serafin, Katherine A.
    Abstract:
    Coastal and estuarine flooding and erosion events are usually driven by the cumulative effect of multiple individual processes like waves, streamflow, storm surge, and/or tides. This dissertation focuses on separating the influence of the regional and local-scale geomorphologic and hydrodynamic processes driving variability in the magnitude and impacts of extreme...
    Resource Type:
    Dissertation
    Full Text:
    things coastal. To my committee members Dr. Hilary Stockdon, Dr. Phil Mote, Dr. Tuba Özkan-Haller, and

  • Deep-sea sediment paleomagnetism : a case study from the North Atlantic

    Creator:
    Strano, Sarah Elianna
    Abstract:
    Sedimentary records from the North Atlantic, instrumental in the development of modern paleo-geomagnetic concepts, show a highly variable field even during times of constant polarity. Yet, our understanding of how the magnetization is acquired in the sediments is poorly understood. Primary magnetizations preserved in deep-sea sediments are known to be...
    Resource Type:
    Dissertation
    Full Text:
    Ozkan-Haller, Edward Brook, without whom I would not be defending my dissertation today. They are