. Calculation procedure for sand transport by wind on natural beaches. Sand; Beaches. Length of Reach Contributing to Inland Transport eight different possible wind directions, that is, N, NE, E, SE, S, SW, W, and NW, it seems that only four directions cause inland sand trans- port at Salmon Beach. These directions are N, NW, W, and SW. The per- pendicular projections Considering the iy,. l^ and respectively, of these directions (Figure 4) were measured and shown in Table 3. These lengths i^' ^2' ^3' ^""^ •^4 represent i in Equa- tion 12 for total trans- port Fig. 4 Sh
. Calculation procedure for sand transport by wind on natural beaches. Sand; Beaches. Length of Reach Contributing to Inland Transport eight different possible wind directions, that is, N, NE, E, SE, S, SW, W, and NW, it seems that only four directions cause inland sand trans- port at Salmon Beach. These directions are N, NW, W, and SW. The per- pendicular projections Considering the iy,. l^ and respectively, of these directions (Figure 4) were measured and shown in Table 3. These lengths i^' ^2' ^3' ^""^ •^4 represent i in Equa- tion 12 for total trans- port Fig. 4 Shear Velocity U.;,. Equation 10 was used to obtain U^ as follows U = U^ Log — + U' Z' 13 U,, Log -^ = U - U' Z' u^ = U - U' Log 2' (13) U' and Z' were calculated using Zingg's formula and are tabulated in Table 4. Equation 13 was used to determine U_,,. All wind-speed measurements were made 18 feet above the sand surface, so this value was used for Z in Equation 13 throughout the calculations. A sample calculation is Reach 1 d^Q = mm From Table 4, Z' = ft. U' = ft/sec. 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 Kadib, Abdel-Latif. [Washington] : U. S. Coastal Engineering Research Ctr.
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