Figure Page 



5. Pipe Profile at Indiana Avenue, Atlantic City, New Jersey 



Top, January 1968; bottom, March 1969 8 



6. Profiles from Pipe Profile Data for Five Atlantic Coast 



Beaches (Generalized from Appendix D) 10 



7. Erosion and Accretion Maximums on Five Atlantic Coast 



Beaches 13 



8. Maximum, Single, 1-week Erosion vs. Sand Elevation Just 



Before Erosion 14 



9. Attempts to Correlate Sand Level Changes 15 



10. Wave Observation Form 17 



11. Wave Height Histograms for Seven North Atlantic Localities . 18 



Table 



I. Summary of Pipe Profile Program - FY 1968 2 



II. Maximum, Single-pipe, 1-Week and 3-Month, Vertical Changes 



in Sand Level on 10 Pipe Profiles, January- March, 1968 ... 12 



III. Sand Levels and Environmental Factors 19 



Appendix A: Sand Elevation Data 



Appendix B: Sand Elevation vs. Time 



Appendix C: Running Average Sand Elevation vs. Time 



Appendix D: Histograms of Sand Elevations 



Appendix E: Histograms of Sand Elevation Changes 



Appendix F: Wave Observations 



