. The elevation and duration of wave crests. Water waves. greatest interest, so the primary emphasis of this analysis is on the highest 15 percent of wave crests in a wave train. The variable p is used to desig- nate the probability level of exceedance of interest. For example, (n ) *^ c'p=o. 05' p = , indicates that 5 percent of the crest elevations ric. where the subscript exceed the value of Assumed independent variables are significant wave height, Hg (defined as four times the rms water level, tij^g), period of peak energy density, !„, water depth, d, and beach slope, m. 1. Irregular


. The elevation and duration of wave crests. Water waves. greatest interest, so the primary emphasis of this analysis is on the highest 15 percent of wave crests in a wave train. The variable p is used to desig- nate the probability level of exceedance of interest. For example, (n ) *^ c'p=o. 05' p = , indicates that 5 percent of the crest elevations ric. where the subscript exceed the value of Assumed independent variables are significant wave height, Hg (defined as four times the rms water level, tij^g), period of peak energy density, !„, water depth, d, and beach slope, m. 1. Irregular Wave Crest Elevations. Figure 16 presents several irregular wave records illustrating various amounts of nonlinearity. Records A and B have crests which are slightly larger than half of their zero up-crossing wave heights; record C has crest elevations which are a large fraction of wave height. Table 6, which is a compilation of selected wave record results, indicates the elevation of maximum crests for various water depth, significant wave height, and period of peak energy density 2 - 2 - d/glp-^ = Hs/glp"^ = Hs/d = d/gTp2 = Hs/gTp - Hc/d = B. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Seelig, William N; Ahrens, John; Grosskopf, William G; Coastal Engineering Research Center (U. S. ). Fort Belvoir, Va. : U. S. Army, Corps of Engineers, Coastal Engineering Research Center ; Springfield, Va. : National Technical Information Service, Operations Division [distributor]


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