PREFACE 



The study in this report was authorized by Headquarters , US Army Corps 

 of Engineers (HQUSACE) , Coastal Engineering Area of Civil Works Research and 

 Development. Work was performed under Civil Works Research Work Unit 32484, 

 "Directionality of Waves in Shallow Water," Coastal Flooding Program, at the 

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

 Experiment Station (WES). The HQUSACE Technical Monitors were Messrs. John H. 

 Lockhart, Jr.; John G. Housley; James E. Crews; and Robert H. Campbell. 

 Dr. C. Linwood Vincent was the CERC Program Manager. 



This investigation was conducted by Dr. Charles E. Long at the WES/CERC 

 Field Research Facility (FRF) in Duck, NC. The purpose of this study was to 

 help clarify the behavior of wave height statistics for sea states character- 

 ized by broad or multimodal spectra. 



The report was prepared under the direct supervision of Mr. William A. 

 Birkemeier, Chief, FRF, and under the general supervision of Mr. Thomas W. 

 Richardson, Chief, Engineering Development Division; Mr. Charles C. Calhoun, 

 Jr., Assistant Chief, CERC; and Dr. James R. Houston, Chief, CERC. This 

 report was edited by Ms. Lee T. Byrne, Information Technology Laboratory, WES, 



Commander and Director of WES during publication of this report was 

 COL Larry B. Fulton, EN. Dr. Robert W. Whalin was Technical Director. 



