EQUILIBRIUM SHAPE OF HEADLAND-BAY BEACHES FOR ENGINEERING DESIGN
INTRODUCTION AND BACKGROUND
HEADLAND-BAY DATABASE
Fig. 1. Definition sketch of the logarithmic spiral shape.
Fig. 3. Sensitivity of log-spiral shape to small variations of the parameter α (R0 = 500 m).
PARABOLIC SHAPE
Fig. 4. Definition sketch of the parabolic shape.
Fig. 7. Sensitivity of parabolic shape to selection of control point location.
Definition
Fig. 8. Dependence of hyperbolic-tangent shape on b (a = 1,000 m; m = 0.6).
RESULTS - cs99-moreno0011
Fig. 10. Plot of a versus b values for hyperbolic-tangent shape and best-fit line.
Fig. 11. Hyperbolic-tangent fit to Drakes Bay, California.
ACKNOWLEDGEMENTS - cs99-moreno0014
Appendix A: Summary of Headland-Bay Data Base
Appendix A: Summary of Headland-Bay Data Base cont'd
cs99-moreno
INTRODUCTION AND BACKGROUND
HEADLAND-BAY DATABASE
Fig. 1. Definition sketch of the logarithmic spiral shape.
Fig. 3. Sensitivity of log-spiral shape to small variations of the parameter α (R0 = 500 m).
PARABOLIC SHAPE
Fig. 4. Definition sketch of the parabolic shape.
Fig. 7. Sensitivity of parabolic shape to selection of control point location.
Definition
Fig. 8. Dependence of hyperbolic-tangent shape on b (a = 1,000 m; m = 0.6).
RESULTS - cs99-moreno0011
Fig. 10. Plot of a versus b values for hyperbolic-tangent shape and best-fit line.
Fig. 11. Hyperbolic-tangent fit to Drakes Bay, California.
ACKNOWLEDGEMENTS - cs99-moreno0014
Appendix A: Summary of Headland-Bay Data Base
Appendix A: Summary of Headland-Bay Data Base cont'd
cs99-moreno
