Exposure of the Cohesive Substrate 64 



Bathymetry Comparisons and Sediment Budget Calculations 68 



1945/46 to 1964/65 69 



1964/65 to 1991 ... . . 70 



1991 to 1995 73 



1945/46 to 1995 . 75 



5 — Interpretation of Results - A Descriptive Model of Coastal 



Morphodynamics 77 



Historic Conditions 79 



1945/6 to 1964/5 79 



1964/5 to 1991 83 



Existing and Future Conditions 84 



Existing conditions (1991 to 1995) 84 



Projections of future conditions 84 



Comments on the Effectiveness of the Beach Nourishment Program ... 87 



Recommendations for Future Monitoring . 88 



6 — Beach Nourishment Design Guidelines 89 



Recommendations for St. Joseph . 89 



General Recommendation for Beach Nourishment on Cohesive 



Shores Downdrift of Harbor Structures 90 



7 — References 93 



SF298 



