PREFACE 



The study reported herein was authorized by the Office, Chief of Engi- 

 neers (OCE) , US Army Corps of Engineers, and funded through the Coastal Engi- 

 neering Functional Area of Civil Works Research and Development, under Work 

 Unit 31616. The project was monitored by Messrs. John H. Lockhart, Jr., and 

 John G. Housley, OCE Technical Monitors. The study was conducted at the 

 Coastal Engineering Research Center (CERC) of the US Army Engineer Waterways 

 Experiment Station (WES). Dr. C. Linwood Vincent, CERC, is Program Manager of 

 the Coastal Engineering Functional Area. 



This report was prepared by Mr. John P. Ahrens, Research Oceanographer, 

 Wave Research Branch (CW-R) , Wave Dynamics Division (CW) , CERC. Assisting 

 Mr. Ahrens in conducting the study were the following CERC employees: 

 Ms. Karen P. Zirkel and Messrs. Louis Myerele and Martin F. Titus, Engineering 

 Technicians; Messrs. John Heggins, Computer Assistant, and Leland Hennington, 

 Summer Aide, who helped to analyze the data; and Eng. Gisli Viggosson on temp- 

 orary assignment from the Icelandic Harbour Authority, Reykjavik, Iceland. 



Work was performed under direct supervision of Messrs. D. D. Davidson, 

 CW, and C. Eugene Chatham, Chief, CW; and under general supervision of 

 Dr. James R. Houston and Mr. Charles C. Calhoun, Jr., Chief and Assistant 

 Chief, CERC, respectively. This report was edited by Ms. Shirley A. J. 

 Hanshaw, Information Products Division, Information Technology Laboratory, 

 WES. 



Commander and Director of WES during publication of this report was 

 COL Dwayne G. Lee, CE. Technical Director was Dr. Robert W. Whalin. 



