CONTENTS 



Page 



CONVERSION FACTORS, U.S. CUSTOMARY TO METRIC CSI) 5 



SYMBOLS AND DEFINITIONS 6 



I INTRODUCTION 7 



II BASIC EQUATIONS AND SOLUTION TECHNIQUES 8 



III APPLICATIONS OF d^ AND d^ 12 



IV SHOAL ZONE EXTENT ALONG U.S. COASTS 13 



V SUMMARY 16 



LITERATURE CITED 18 



APPENDIX CALCULATOR PROGRAM FOR THE BOUNDS OF THE SHOAL ZONE 19 



TABLES 



1 Calculation procedure for locating bounds of the shoal zone 12 



2 Calculated shoal zone bounds for 10 U.S. sites using annual 



statistics of nearshore wave gage measurements 13 



3 Calculated shoal zone bounds for 20 U.S. sites using annual 



statistics of LEO breaker observations 14 



FIGURES 



1 Definition sketch of annual sand beach zonation and terminology 7 



2 Graphical definition of statistics of exponential cumulative 



wave height distribution 9 



3 Graphical solution of equation (5) for y' = 1.6 11 



4 Graph of hyperbolic sine and tangent functions 11 



