Figure 10. Morphology of Chatham Harbor, 31 December 1991
now large sand flat area (Figure 12). The north end of South Beach had by now
migrated one island width toward the mainland. A small ebb oriented spit formed
off the tip of the beach defining the south end of the ebb shoal. The main ebb
channel was wide and oriented in a northwest-southeast direction, with the
expanding swash platform dominating the north side of the ebb shoal. The north
flood shoal expanded to the north and increased its width, taking on the classic
flood shoal shape described by Hayes (1975) which includes a flood ramp, flood
channels, ebb shield, ebb spits and spillover lobes (Figure 13). The west
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Chapter 3 Inlet Throat, Shoreline, and Channel Evolution
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