20 resultados para SHORELINE

em University of Michigan


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"October 1977."

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"January 1978."

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"EPA contract no. 68-C8-0062, Work assignment no. 3-48, SAIC project no. 01-0895-03-1000."

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Mode of access: Internet.

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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).

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At head of title: "Shore Protection and Restoration Program."

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"Prepared for U.S. Army Engineer District, Galveston, Galveston, Texas."

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Experimental plantings to stabilize eroding shorelines in Bogue Sound in 1974 were successful. Better stands were produced on sites subject to severe wave stress by reducing transplant spacing to 1.5 to 2 feet apart. Rhizomes without well-developed culms attached were worthless as propagules within the intertidal zone. Seeding was unsuccessful due to exposure to excessive wave energy.

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"August 1976."

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"Filed pursuant to Section 5 of the Flood Control Act of 1945, 615 ILCS 15/5."

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"Authority for the preparation of this report and state participation in the flood protection recommendations contained herein is provided by the Flood Control Act of 1945 [615 ILCS 15]."--Leaf 2.