. Beach and nearshore survey data, 1981-1984, CERC Field Research Facility. Coast changes; Ocean waves. surrounding the FRF, these lines are located in a region of shore-parallel contours and are sufficiently removed from known pier effects (Miller, Birkemeier, and DeWall 1983). 5. The beach is composed of a mixture of quartz sand and carbonate shell debris. The carbonate component may be as high as 20 percent. Mean grain size is greatest on the foreshore where it approaches 1 mm, decreasing offshore to mm. Sorting improves in an offshore direction. Figure 3 illustrates the cross-shore var
. Beach and nearshore survey data, 1981-1984, CERC Field Research Facility. Coast changes; Ocean waves. surrounding the FRF, these lines are located in a region of shore-parallel contours and are sufficiently removed from known pier effects (Miller, Birkemeier, and DeWall 1983). 5. The beach is composed of a mixture of quartz sand and carbonate shell debris. The carbonate component may be as high as 20 percent. Mean grain size is greatest on the foreshore where it approaches 1 mm, decreasing offshore to mm. Sorting improves in an offshore direction. Figure 3 illustrates the cross-shore variation in sediment size distribution based on a series of samples taken along profile line 188 on 17 March 1982. 6. Storm conditions at the FRF are dominated by extratropical northeast- ers during the winter months and occasionally by tropical hurricanes. During the period of study, a number of significant storms occurred, although no major hurricanes passed the 100 200 300 400 500 600 700 800 DISTANCE, M 900 1000 Figure 3. Distribution of sediment sizes across profile line 188 on 17 March 1981. 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 Howd, Peter A; Birkemeier, William A. (William Allen), 1951-; U. S. Army Engineer Waterways Experiment Station; United States. Army. Corps of Engineers; Coastal Engineering Research Center (U. S. ). [Vicksburg, Miss. : U. S. Army Engineer Waterways Experiment Station ; Springfield, Va. : available from National Technical Information Service]
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