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Filtering by: DOI 10.1175/JCLI4128.1 Remove constraint DOI: 10.1175/JCLI4128.1 Advisor Ozkan Haller, H. Tuba Remove constraint Advisor: Ozkan Haller, H. Tuba

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Breaking Waves Offshore: Measurements and Modeling of Energy Dissipation

Creator:

Ticona Rollano, Fadia M.

Abstract:

In the presence of strong winds, ocean surface waves dissipate significant amounts of energy by breaking. Here, breaking rates and wave-following turbulent dissipation rate measurements are compared with numerical WAVEWATCH III estimates of bulk energy dissipation. At high winds, the measurements suggest that turbulent dissipation becomes saturated, however the modeled...

Resource Type:

Masters Thesis
Data Assimilation using Synthetic-Aperture Radar Imagery for Bathymetry Inversion at the Mouth of the Columbia River

Creator:

Harper, Spencer H.

Abstract:

Synthetic-aperture radar (SAR) imagery can provide wavenumber and frequency data to generate bathymetry estimates for locations where limited access or extreme ocean conditions can make standard bathymetry survey techniques difficult or impossible. The availability of SAR data could allow for regular bathymetry estimates of navigational channels providing insight into dredging...

Resource Type:

Masters Thesis
Modeling shallow-water hydrodynamics : rotations, rips, and rivers

Creator:

Long, Joseph W.

Abstract:

Hydrodynamic models are used as a diagnostic tool to understand the temporal variability of shallow-water processes that are difficult to completely resolve with traditional field measurements. For all simulations, modeled quantities are qualitatively or quantitatively compared with available measurements to gain confidence in conclusions derived from the modeled results. In...

Resource Type:

Dissertation
Extreme Wave Runup and Runup Variability on Beaches

Creator:

Li, Chuan

Abstract:

Wave runup is an important physical process that affects nearshore sediment transport, coastal erosion, and flooding. Large and unexpected runup events can also be dangerous to beach goers. Extreme runup statistics are essential parameters used in engineering design of marine structures and in coastal management. Although the study of runup...

Resource Type:

Dissertation
Data assimilation for prediction of shallow water flows with uncertain bathymetry

Creator:

Wilson, Gregory W.

Abstract:

A new method is introduced for incorporating bathymetric uncertainty into predictions of nearshore and river flows (i.e., unstratified flows primarily forced by pressure and radiation stress gradients). The method involves the use of the ensemble Kalman filter (EnKF) as a parameter estimation scheme, where the parameter to be estimated is...

Resource Type:

Dissertation

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Academic Affiliation

Civil and Construction Engineering2
School of Civil and Construction Engineering2
College of Earth, Ocean, and Atmospheric Sciences1

Advisor

Ozkan Haller, H. Tuba[remove]5

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2009 to 2022

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Committee Member

Haller, Merrick2
Holman, Robert A.2
Ruggiero, Peter2
Field, Jennifer A.1
Haller, Merrick C.1
more Committee Members »

Creator

Harper, Spencer H.1
Li, Chuan1
Long, Joseph W.1
Ticona Rollano, Fadia M.1
Wilson, Gregory W.1

Date

Date range begin – Date range end

Current results range from 2009 to 2021

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Decade

2020-20292
2010-20192
2000-20091

Degree Field

Civil Engineering4
Oceanography1

Degree Level

Doctoral3
Master's2

Degree Name

Doctor of Philosophy (Ph.D.)3
Master of Science (M.S.)2

Language

English [eng]5

License

All rights reserved5

Non-Academic Affiliation

Oregon State University. Graduate School2

Peer Reviewed

No5

Resource Type

Dissertation3
Masters Thesis2

Rights Statement

In Copyright5

Subject

Energy dissipation1
Hydrodynamics -- Mathematical models1
Kalman filtering1
Parameter estimation1
Water currents -- Mathematical models1
more Subjects »

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