CONTENTS 



Page 



CONVERSION FACTORS, U.S. CUSTOMARY TO ^^TRIC (SI) 5 



SYMBOLS AND DEFINITIONS 6 



I INTRODUCTION. . . , 7 



II DEFINITION OF TERMS 7 



III METHODS FOR COMPUTING LONGSHORE TRANSPORT RATE 8 



1. Method 1 9 



2. Method 2 10 



3. Method 3 10 



4. Method 4 15 



IV SUMMARY OF GUIDANCE 15 



LITERATURE CITED 16 



TABLES 



1 Values of parameters in equation (3) 8 



2 Approximate formulas for computing longshore energy flux factor, ^oo> 



entering the surf zone 12 



FIGURES 



1 jelection guide to the four methods of estimating longshore transport 



rate 9 



2 Design curve for longshore transport rate versus energy flux factor . . 12 



3 Longshore transport rate as a function of breaker height and breaker 



angle 13 



4 Longshore transport rate as a function of deepwater height and deep- 



water angle 14 



