. Effectiveness of beach nourishment on cohesive shores, St. Joseph, Lake Michigan . Large Depression In Lake Bed Developed Befween 1945 - 1965 Rapid Lake Bed Lowering (2 to 3m/20yr) NOTES; 1. Growth of FiUet Deposita (Panels 2 & 3) 2. High Variability in Long Term Water Levels 3. Lowering in Panels j^l & ^8 is similar 4. Panels 4-7 severe lowering (downdrift deff.) 5. Cohesive Lowering Estimated at 20 m3/m/yr south of harbor jetties 6. 1964 Water Uvel was all Lime low 7. No Bypassing, only Channel Infilling 8. Transport Volumes are m3/yT Figure 35. 1945 to 1965 descriptive model 80 Ch


. Effectiveness of beach nourishment on cohesive shores, St. Joseph, Lake Michigan . Large Depression In Lake Bed Developed Befween 1945 - 1965 Rapid Lake Bed Lowering (2 to 3m/20yr) NOTES; 1. Growth of FiUet Deposita (Panels 2 & 3) 2. High Variability in Long Term Water Levels 3. Lowering in Panels j^l & ^8 is similar 4. Panels 4-7 severe lowering (downdrift deff.) 5. Cohesive Lowering Estimated at 20 m3/m/yr south of harbor jetties 6. 1964 Water Uvel was all Lime low 7. No Bypassing, only Channel Infilling 8. Transport Volumes are m3/yT Figure 35. 1945 to 1965 descriptive model 80 Chapter 5 Interpretation of Results - A Descriptive Model of Coastal Morphodynamlcs


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