PREFACE 



This report was prepared as part of the Coastal Problem Area of the 

 Repair, Evaluation, Maintenance, and Rehabilitation (REMR) Research Program. 

 Initial work was conducted under Civil Works Research Work Unit 32328, "Tech- 

 niques of Reducing Wave Runup and Overtopping on Coastal Structures." 



Mr. William F. McCleese, US Army Engineer Waterways Experiment Station 

 (WES) was overall manager of the REMR Research Program. The REMR Coastal 

 Problem Area Technical Monitor was Mr. John H. Lockhart, Jr., Office, Chief of 

 Engineers (OCE) , and WES Coastal Problem Area Leader was Mr. D. D. Davidson, 

 Coastal Engineering Research Center (CERC) . 



This work was conducted at WES during the period September 1984 to 

 September 1986 under general supervision of Dr. James R. Houston and 

 Mr. Charles C. Calhoun, Jr., Chief and Assistant Chief, respectively, CERC; 

 and under direct supervision of Mr. C. E. Chatham, Jr., Chief, Wave Dynamics 

 Division, and Mr. Davidson, Chief, Wave Research Branch (CW-R) . 

 Messrs. John P. Ahrens , Oceanographer, Dennis G. Markle, and Robert D. Carver, 

 Lead Hydraulic Engineers, and various junior engineers and technicians of CW-R 

 collected and organized information from Corps District offices which provided 

 a significant contribution to this effort. This report was prepared by 

 Mr. Ahrens, typed by Mrs. Myra Willis, Secretary, CW-R, and edited by 

 Ms. Shirley A. J. Hanshaw, Information Technology Laboratory, Information 

 Products Division, WES. 



Commander and Director of WES during report publication was 

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



