New Estuarine Measurement Equipment and Techniques (Coastal Engineering Conference in Santa Barbara, California, October 1965)

by Edmund A. Prych,
David W. Hubbell,
Jerry L. Glenn,


Serial Information: Journal of the Waterways and Harbors Division, 1967, Vol. 93, Issue 2, Pg. 41-58


Document Type: Journal Paper

Abstract: New hydraulic, radiologic, and sedimentologic measurement equipment and techniques have been developed for the study of radio-nuclide movement in the Columbia River estuary. With a new system, vertical velocity distributions are measured rapidly with a single continuously-moving boat and sufficient observations can be made in 1.5 hr to provide data for computing instantaneous water discharge at wide sections of the estuary. A radiation detector that is mounted in a sled permits radioactivity in the streambed to be monitored conveniently. Large-volume sampling and high-flow filter equipment facilitate the collection and separation of large representative suspended-sediment samples. A vibratory sampler capable of collecting 6-ft cores of bed sediment is portable and can be used to sample sandy bottoms in flow velocities up to about 5 fps. All the equipment may be used for hydrologic studies in other estuaries and rivers.

Subject Headings: Equipment and machinery | Estuaries | Hydraulics | Fluid velocity | Water discharge measurement | Velocity distribution | Rivers and streams | Sediment transport | North America | California | United States

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