Index Catalog // ScholarsArchive@OSU

Nowcast/forecast of storm surge and drawdown using a hybrid FE/ANN approach

Creator:: Darnell, Joel T.
Abstract:: In the northwestern Gulf of Mexico there is a need for reliable water level forecasts to facilitate safe commercial navigation, marine construction, and emergency management. Though the low amplitude tides of the region can be predicted with conventional harmonic techniques, frequent strong storms make accurate forecasts of water levels difficult....
Resource Type:: Masters Thesis
Full Text:: last 4 years and my committee members, Dr. Merrick Hailer and Dr. Tuba Ozkan-Haller, for their

Large-scale laboratory observations of wave breaking turbulence on a fixed barred beach

Creator:: Scott, Christopher P.
Abstract:: This thesis presents the details of a large-scale laboratory experiment to study the turbulence generated by waves breaking on a fixed barred beach. The data set includes comprehensive measurements of free surface displacement and fluid velocity for one random and one regular wave case. Observations of the time-averaged turbulent kinetic...
Resource Type:: Masters Thesis
Full Text:: questions and encouragement from my cont mnbers, avtkic Hailer and Tuba kan-Hailer, are much appreciated

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

Assessing physical vulnerability of the coast in light of a changing climate : an integrated, multi-hazard, multi-timescale approach

Creator:: Harris, Erica L.
Abstract:: Hazards threaten coastal communities and ecosystems over a wide range of spatiotemporal scales. One of the most pressing concerns for coastal property owners, decision makers, and researchers is the uncertain role that a changing climate will have on the intensity and frequency of these hazards. The significant uncertainties associated with...
Resource Type:: Masters Thesis
Full Text:: under NOAA Grant #NA06OAR4170010. To my committee members, Jonathan Allan and Tuba Ozkan-Haller

Eddy correlation benthic O₂ exchange rates and characterizations of sediment properties from the central Oregon shelf at 30 meters

Creator:: McCann-Grosvenor, Kristina
Abstract:: Rates of benthic O₂ exchange are important measurements for determining organic matter remineralization, and can shed light on factors driving biogeochemical processes in coastal environments. Measurement of in situ O₂ consumption and production within permeable sediments, such as those found over ~43% of the Oregon-Washington shelf, has traditionally been done...
Resource Type:: Masters Thesis
Full Text:: acknowledge the hard work of Tuba Özkan-Haller for all of her help with the physical oceanography

Assessment of the Active Absorption System of the Large Wave Flume

Creator:: Savić, Una
Abstract:: The Large Wave Flume at the O.H. Hinsdale Wave Research Laboratory houses a piston wavemaker with a built-in active absorption system designed by MTS Systems Corporation. The performance of the active absorption system has not been properly assessed yet. This thesis evaluates the performance of the MTS active absorption system...
Resource Type:: Masters Thesis
Full Text:: . I would like to thank Tuba Ozkan-Haller for always being willing to listen and to Harry Yeh for

Wave-by-Wave Forecasting via Assimilation of Marine Radar Data

Creator:: Simpson, Alexandra Joyce
Abstract:: A wave-by-wave forecasting system is desired for optimization of wave energy conversion devices and for improving safety of vessel-based marine operations. This study outlines the first validation attempts of a recently developed forecasting system called Wavecast. The forecasting approach uses X-Band marine radar images for data assimilation, then reconstructs and...
Resource Type:: Masters Thesis
Full Text:: like to acknowledge. To my committee members, Tuba Özkan-Haller, Ted Brekken and Geoff Hollinger

On the nearshore impact of wave energy converter arrays

Creator:: O'Dea, Annika Magnuson
Abstract:: Radiation stresses, defined as the excess flow of momentum due to the presence of waves (Longuet-Higgins, 1964), are the main drivers behind the cross-shore and longshore forcing that results in wave setup, set-down, and longshore currents (e.g. Svendsen, 2006). Longshore currents entrain and transport sediment and therefore play an important...
Resource Type:: Masters Thesis
Full Text:: , Peter Ruggiero, Tuba Özkan-Haller, and Emily Shroyer for their feedback. Finally, I would like to

Coupled wave and surge modeling of Tillamook Bay, Oregon : extreme events and climate change impacts

Creator:: Cheng, Tiffany Kay
Abstract:: Estuaries represent the confluence of land and ocean environments and encompass a number of complex interactions amongst tides, winds, offshore waves and the riverine contributions, all of which contribute to total water levels (TWLs). The study of TWLs and the relative weight of its components can assist local communities in...
Resource Type:: Masters Thesis
Full Text:: Ozkan-Haller and Peter Ruggiero for their insightful critiques and suggestions along the way. With Dr

Analysis of waves in the near-field of wave energy converter arrays through image processing

Creator:: Black, Colleen
Abstract:: Oregon State University conducted a series of laboratory experiments to measure and quantify the near-field wave effects caused within arrays of Wave Energy Converters (WEC). As the waves and WECs interact, the WECs generate radiated waves; these effects vary with the location within the array. Analyzing the near-field waves will...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: ______________________________________________________ Merrick C. Haller

ScholarsArchive@OSU

Nowcast/forecast of storm surge and drawdown using a hybrid FE/ANN approach

Large-scale laboratory observations of wave breaking turbulence on a fixed barred beach

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

Assessing physical vulnerability of the coast in light of a changing climate : an integrated, multi-hazard, multi-timescale approach

Eddy correlation benthic O₂ exchange rates and characterizations of sediment properties from the central Oregon shelf at 30 meters

Assessment of the Active Absorption System of the Large Wave Flume

Wave-by-Wave Forecasting via Assimilation of Marine Radar Data

On the nearshore impact of wave energy converter arrays

Coupled wave and surge modeling of Tillamook Bay, Oregon : extreme events and climate change impacts

Analysis of waves in the near-field of wave energy converter arrays through image processing

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