Index Catalog // ScholarsArchive@OSU

Absolute water velocity profiles from glider-mounted acoustic doppler current profilers

Creator:: Ordonez, Christopher Edward
Abstract:: This paper details a method to compute absolute water velocity profiles from glider-based acoustic Doppler current profiler (ADCP) measurements based on the "shear method" developed for lowered ADCPs. The instrument is a 614-kHz Teledyne RDI ADCP integrated into the body of a Teledyne Webb Research Slocum Glider. Shear is calculated...
Resource Type:: Masters Thesis
Full Text:: details a method to compute absolute water velocity profiles from glider-based acoustic Doppler current

Measuring surface longshore currents with an optical technique

Creator:: Chickadel, Carmine C.
Abstract:: Longshore currents are frequently occurring phenomena capable of transporting beach sediments, causing accretion and erosion of the shoreline. Forcing mechanisms are understood and well modeled for cases of alongshore homogeneous and monotonic bathymetry, yet the extension of these models to complex and irregular bathymetry sometimes fails. To test and improve...
Resource Type:: Masters Thesis

A three component drag probe for the measurement of ocean wave orbital velocities and turbulent water velocity fluctuations

Creator:: Earle, Delph Marshall, 1913-
Abstract:: A three component drag probe has been built, calibrated, and used to measure velocities beneath deep water ocean waves and turbulence in a tidal channel. Simple variable inductance devices which may be submerged in water were used as displacement transducers and the associated electronics provided voltage outputs which were proportional...
Resource Type:: Dissertation
Full Text:: : A THREE COMPONENT DRAG PROBE FOR THE MEASUREMENT OF OCEAN WAVE ORBITAL VELOCITIES AND TURBULENT

Low level D-C detection using a photoconductive modulator

Creator:: Teien, Aage
Resource Type:: Masters Thesis
Full Text:: - cular the base-to-errltter voltage (VUE), the collector-to-base leak- age current (Iç) and the forward

A flux-coupled current measuring system with a bandwidth from D.C. to fifty megahertz

Creator:: Peek, William Henderson
Abstract:: An instrument which measures current from D.C. to 50 megahertz by clipping a transformer core around a current carrying conductor is discussed. A Hall device, which is installed in the core cross-section, detects the flux in the core. This Hall device in conjunction with an amplifier is used to null...
Resource Type:: Masters Thesis
Full Text:: A Flux-Coupled Current Measuring System with a Bandwidth

Sea surface velocity determination using satellite imagery : validation and an application

Creator:: Tokamakian, Robin
Resource Type:: Masters Thesis

Measuring well water levels

Creator:: Oregon State University. Extension Service and Trimmer, Walter L.
Abstract:: Groundwater is an important resource in Oregon. As more people depend on groundwater, some water tables around the State are dropping, threatening their water supplies. State law requires that groundwater be managed as a renewable resource, and that water tables do not drop permanently.
Resource Type:: Technical Report
Full Text:: the wire touches the water surface. Current is supplied by a small 9- or 12-volt battery. To make a

A study of the relationship between local winds and currents over the continental shelf off Oregon

Creator:: Huyer, Adriana, 1945-
Abstract:: This thesis demonstrates that at low frequencies (periods longer than 2.5 days) local currents off the coast of Oregon are closely related to the wind. Wind and current observations made during August and September 1969 are described and compared to demonstrate that a relationship exists; the physics of the interaction...
Resource Type:: Masters Thesis
Full Text:: wind and on the density profile of the water. The time lag between the wind and the response current

Simulation of coastal processes in a circular wave basin

Creator:: Katzev, David H.
Abstract:: The circular wave basin provides a means of physically modeling the nearshore without the typical problems associated with end walls. Three different coastal processes were examined to demonstrate the use of a spiral wavemaker in a circular wave basin. These were longshore currents, shear waves, and groin circulation. A beach...
Resource Type:: Masters Thesis
Full Text:: waves begin to break. In order to compensate for this average onshore flux of water, a current was

A compilation of observation[s] from moored current meters, thermographs, and wind instrument. Vol. 4. Peru continental shelf March-April 1969

Creator:: Enfield, David Bruce, Smith, Robert L., Pattullo, J. G., Pillsbury, R. D., Hopkins, T., and Dugdale, R. C.
Abstract:: A summary of moored instrument measurements over the continental shelf of Peru is presented. Measurements of variables were made in an upwelling zone between Pisco and San Juan, from 28 March to 9 April, 1969. Time series of temperature and horizontal current and wind velocities were obtained at several depths...
Resource Type:: Technical Report
Full Text:: University OCEANOGRAPHY // A Compilation of Observations from Moored Current Meters, Thermographs, and

ScholarsArchive@OSU

Absolute water velocity profiles from glider-mounted acoustic doppler current profilers

Measuring surface longshore currents with an optical technique

A three component drag probe for the measurement of ocean wave orbital velocities and turbulent water velocity fluctuations

Low level D-C detection using a photoconductive modulator

A flux-coupled current measuring system with a bandwidth from D.C. to fifty megahertz

Sea surface velocity determination using satellite imagery : validation and an application

Measuring well water levels

A study of the relationship between local winds and currents over the continental shelf off Oregon

Simulation of coastal processes in a circular wave basin

A compilation of observation[s] from moored current meters, thermographs, and wind instrument. Vol. 4. Peru continental shelf March-April 1969

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