TABLE OF CONTENTS 



Page No . 



ABSTRACT --------------- 1 



INTRODUCTION -------------- 2 



General Considerations ---------- 2 



Area of Investigation ---------- 3 



METHODS --------------- 6 



Measured Variables ----------- 6 



Approach ------------- 8 



Method of Analysis used in this Report ------ 9 



The sum of Squares Criterion -------- n 



Implications of Linear Regression Analysis ----- 15 



LONGSHORE CURRENT VELOCITY ---------- 18 



Results of Analysis ----------- 18 



Discussion ------------- 20 



Summary -------------- 27 



THE PROBLEM OF NON-LINEARITY ---------- 27 



DEPOSITION AND EROSION ON THE LOWER FORESHORE ----- 30 



Time Lag in Peak Interaction -------- 30 



Measurement of the Dependent Variable ------ 32 



Measurement of the Independent Variables - - - - - 36 



Net Deposition (Jf) ----------- 36 



Net Erosion (Kf) ----------- 39 



BOTTOM SLOPE AND PARTICLE SIZE IN THE SHOALING WAVE ZONE - - - 44 



Mean Slope in the Shoaling Wave Zone (Sg) ----- 44 



Average Mean Grain Size in the Shoaling Zone (M2)g - - - 48 



FUTURE STUDY -------------- 51 



REFERENCES -------------- 53 



LIST OF FIGURES ------------- 56 



APPENDIX A - (Description of variables and method of measurement)- 57 



APPENDIX B - (Summary tables of the computer output) - - - - 65 



ADDENDUM - "Alternative Multiregression Technique for Obtaining 

 Predictor Equations" by W. Harrison and N. A. Pore 



(8 pp.)- - - - - - - - - - - - A-1 



