PREFACE 



This report is published to provide coastal engineers with an updated method 

 for prediction of sand transport along beaches Clittoral drift) . The prediction 

 equation is calibrated with data from a 2-year study of longshore sand transport 

 at Channel Islands Harbor, California. The work was carried out under the beach 

 behavior and restoration program of the U.S. Army Coastal Engineering Research 

 Center (CERC) . 



The report was prepared by R.O. Bruno, R.G. Dean, C.G. Gable, and T.L. 

 Walton, Jr., under the general supervision of N.E. Parker, Chief, Engineering 

 Development Division. 



The authors acknowledge the assistance of the U.S. Army Engineer District, 

 Los Angeles, and Dr. J.R. Weggel and D.W. Berg of CERC. 



Comments on this publication are invited. 



Approved for publication in accordance with Public Law 166, 79th Congress; 

 approved 31 July 1945, as supplemented by Public Law 172, 88th Congress, 

 approved 7 November 1963 . 



E. BISHOP 

 Colonel, Corps of Engineers 

 Commander and Director 



