CONTENTS 



Page 



CONVERSION FACTORS, U.S. CUSTOMARY TO METRIC (SI) 7 



I INTRODUCTION 9 



1. Purpose 9 



2. Background 9 



3. Previous Work 17 



II PROCEDURE 17 



1. Collecting and Cataloging Samples 17 



2. Units 20 



3. RSA Analyses of the Samples 20 



4. Sieve Analysis of the Samples 22 



5. Comparison of RSA and Sieve Analyses 27 



6. McMaster's Procedure 33 



7. Sample Average and Profile Average 34 



III RESULTS 35 



1. Sand-Size Distribution 35 



2. Sample Mean versus Slope 35 



IV DISCUSSION OF SAMPLE SET A 35 



1. Magnitude of Size Variation 35 



2. Southward Decrease in Size 42 



3. Size versus Elevation 44 



4. Size versus Month 44 



5. Comparison with McMaster's Data 45 



6. Sample Mean versus Slope 45 



V DISCUSSION OF SAMPLE SET B 46 



1. Questions 46 



2.^ Longshore Variation 46 



3. Seaward Variation 46 



4. Monthly Variation 49 



VI CONCLUSIONS 49 



1. Sand Size 49 



2. Coastal Engineering Applications 51 



LITERATURE CITED 53 



TABLES 



1 Dry sieve and RSA means of sample set A 21 



2 Average size by locality, profile line, and position on profile 



(sample set A) 36 



