665 resultados para Northwest Ocean Service Center (U.S.)


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"General investigation of tidal inlets; a program of research conducted jointly by U.S. Army Coastal Engineering Research Center, Fort Belvoir, Virginia [and] U.S. Army Engineer Waterways Experiment Station, Vicksburg, Mississippi."

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"April 1964."

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"June, 1967."

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"January 1976."

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"February 1976."

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"March 1976."

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Issued April 1977.

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Issued July 1977.

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Contract no.: DACW72-77-M-0639 (v.2).

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Includes indexes.

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A mathematical model for long-term, three-dimensional shoreline evolution is developed. The combined effects of variations of sea level; wave refraction and diffraction; loss of sand by density currents during storms, by rip currents, and by wind; bluff erosion and berm accretion; effects of manmade structures such as long groin or navigational structures; and beach nourishment are all taken into account. A computer program is developed with various subroutines which permit modification as the state-of-the-art progresses. The program is applied to a test case at Holland Harbor, Michigan. (Author).