Accession Number : ADA180489

Title :   Wave Response of the Proposed Harbor at Agat, Guam. Numerical Model Investigation.

Descriptive Note : Final rept. Dec 85-Apr 86,

Corporate Author : COASTAL ENGINEERING RESEARCH CENTER VICKSBURG MS

Personal Author(s) : Farrar,Paul D. ; Chen,H. S.

Report Date : MAR 1987

Pagination or Media Count : 86

Abstract : A numerical study of the wave response of the proposed small-boat harbor to be located on the west coast of Guam, near Agat, is described. The base plan considered consists of a basin dredged in the coral reef at the site, connected at its south end to the ocean by a 900-ft channel. Protective structures include revetments along the shore, a 190-ft stub breakwater and revetment at the south end of the harbor, and an 885-ft detached breakwater seaward of the harbor basin. The HARBS finite element wave model is used to determine the wave response of the base plan (Plan 1) and the following four alternative plans. The study found that Plan 4 (extended breakwater) best meets the requirements of the project. It is determined that this plan will keep the wave height in most of the harbor interior at 1 ft or lower 90 percent of the time. Plan 4 also gives the best wave protection for high water levels (as in storm surges). The plan provides the best overall wave protection for the smallest increase in construction cost over Plan 1.

Descriptors :   *HARBORS, *OCEAN WAVES, PLANNING, BREAKWATERS, GUAM, HIGH RATE, LEVEL(QUANTITY), WATER, OCEANS, REQUIREMENTS, SMALL SHIPS, CORAL REEFS, FINITE ELEMENT ANALYSIS, MATHEMATICAL MODELS, WAVES, STRUCTURES, REVETMENTS, STORMS, SURGES, HEIGHT, RESPONSE, PROTECTION, WEST(DIRECTION)

Subject Categories : Civil Engineering
      Physical and Dynamic Oceanography

Distribution Statement : APPROVED FOR PUBLIC RELEASE