A series of wave tank tests was conducted at the U.S . Army Coastal Engineering Research Center (CERC) to determine the ability of a field of low specific gravity artificial seaweed to attenuate wave action. Wave gages were located on both sides of the seaweed field to measure wave attenuation. The field consisted of seven rows of seaweed with the rows spaced 3 meters (10 feet ) apart. Ten distinct wave conditions were tested using periods ranging from 2.6 to 8.2 seconds and wave heights from 0.24 to 1.1 meters (0.8 to 3.6 f eet). The stillwater depth f or all tests was 2.4 meters (8 feet). There was a measurable level of wave attenuation for only the shortest period, 2.6 seconds. For the 2.6-second period, the reduction in wave height on passing through the seaweed field was about 12 percent.
Wave Attenuation by Artificial Seaweed
Miscellaneous Report ; 76-9
1976
4474744
Report
Elektronische Ressource
Englisch
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