CONTENTS 



Page 



Section I. INTRODUCTION 1 



1 . Background 1 



2. Purpose 1 



3. Procedure 1 



4. Period Covered 3 



Section II. METHODS OF PIPE INSTALLATION 7 



1 . New Jersey Beaches 7 



2. Long Island Beaches 7 



Section III. ANALYSIS OF PIPE PROFILE DATA 9 



1. Basic Data 9 



2. Profile Shape 9 



3. Maximum Single-pipe Erosion and Accretion 9 



4. Correlation of Data 11 



5. Profile Fluctuations 16 



Section IV. WAVE OBSERVATIONS 16 



1. Procedure 16 



2. Height Histograms 16 



3. Effects on Sand Level Changes 19 



Section V. SUMMARY 20 



LITERATURE CITED 21 



ILLUSTRATIONS 

 Figure 



1. Location Map vi 



2. Beach Evaluation Program Pipe Profile Report Form 4 



3. Comparison of Beach Profiles Obtained by Pipe Profile 

 Observations and Standard Survey Methods on Three 



New Jersey Beaches 5 



4. Comparison of Beach Profiles Obtained by Pipe Profile 

 Observations and Standard Survey Methods on Two 



Long Island Beaches 6 



