PREFACE 



The model investigation described herein was requested by the US Army 

 Engineer District, Los Angeles (SPL), in a letter to the US Army Engineer 

 Waterways Experiment Station (WES) dated 12 December 1983. Funding author- 

 ization from SPL was granted in SPL Intra-Army Order No. Rev 84-13, dated 

 23 January 1984. 



Model tests were conducted at WES during the period July 1984 to March 

 1985 under the general direction of Dr. R. W. Whalin, former Chief, Coastal 

 Engineering Research Center; Mr. C. E. Chatham, Chief, Wave Dynamics Divi- 

 sion; and Mr. D. D. Davidson, Chief, Wave Research Branch. Tests were 

 conducted by Messrs. R. D. Carver and R. C. Baumgartner, Research Hydraulic 

 Engineers, and Mr. C. R. Herrlngton and Mrs. B. J. Wright, Engineering 

 Technicians. Mr. Herrlngton served as Lead Technician under the immediate 

 supervision of Messrs. Carver and Baumgartner. The wave refraction/ 

 diffraction/shoaling study was performed by Dr. L. Z. Hales, Research Hydrau- 

 lic Engineer, Coastal Processes Branch. This report was prepared by Messrs. 

 Baumgartner, Carver, and Davidson. 



During the study Messrs. Tom Kendall, Bill Angeloni, Jay Soper, and 

 John Azeveda of SPN; Messrs. Paul Berger, Tad Nazinski, Dee Gonzales, and 

 Mrs. Laurie Ruh-Hanson of SPL; and Messrs. Bob Edmisten and Hugh Converse of 

 US Army Engineer Division, South Pacific, visited WES to observe model opera- 

 tion and provide input relative to the course of testing. 



Director of WES during the preparation of this report was COL Allen 

 F. Grum, USA; Dr. Whalin was Technical Director. 



