. Coastal changes, eastern Lake Michigan, 1970-1974. Coast changes. 1 86° Fronkforl Point Befsle gton Leo Site Sable Point ^^^ ington Sable Point 'Muskegon Leo Site uskegon —440 — c,l° — 42°. SI. Joseph 42° .Warren Dunes Leo Site' Figure 2. Index map showing profile locations the primary processes which affect beach changes; Section IV discusses pre- vious research; Sections V and VI present an analysis of the beach profile and sediment data; and Section VII summarizes the results and presents recommenda- tions for future research. Beach and bluff changes, which were computed for the final per
. Coastal changes, eastern Lake Michigan, 1970-1974. Coast changes. 1 86° Fronkforl Point Befsle gton Leo Site Sable Point ^^^ ington Sable Point 'Muskegon Leo Site uskegon —440 — c,l° — 42°. SI. Joseph 42° .Warren Dunes Leo Site' Figure 2. Index map showing profile locations the primary processes which affect beach changes; Section IV discusses pre- vious research; Sections V and VI present an analysis of the beach profile and sediment data; and Section VII summarizes the results and presents recommenda- tions for future research. Beach and bluff changes, which were computed for the final period of study only, are discussed in Appendix A. Representative ground photos plus documentation of each bench-mark location and a short dis- cussion of each profile line are given in Appendix B. II. DEFINITION OF TERMS The analysis of the data includes discussions of the temporal and spatial changes to certain profile features including the bluff crest, bluff toe, shoreline, and waterline. These features, along with other important terms used are illustrated in Figure 3 and defined below. (a) Bluff crest - line along the bluff which divides active eroding bluff from stable bluff. Generally well defined in eroding bluffs. It tends to move up the bluff face, the steep part of the bluff, during periods of 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 Birkemeier, William A. (William Allen), 1951-; 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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