PREFACE 



This report presents a method for estimating depth-limited significant 

 wave height of an irregular wave field. The work was carried out under the 

 U.S. Army Coastal Engineering Research Center's (CERC) Wave Estimation for 

 Design work unit, Coastal Flooding and Storm Protection Program, Coastal 

 Engineering Area of Civil Works Research and Development . 



The report was prepared by Dr. C. Linwood Vincent, Chief, Coastal Ocean- 

 ography Branch, under the general supervision of Mr. R.P. Savage, Chief, 

 Research Division. J.E. McTamany prepared the computer integration scheme; 

 W.N. Seelig and L.L. Broderick provided laboratory data. 



Technical Director of CERC was Dr. Robert W. Whalin, P.E., upon publica- 

 tion of this report. 



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. 



CED E. BISHOP 



Colonel, Corps of Engineers 



Commander and Director 



