PREFACE 



This report is published to provide engineers wi1;^h a new technique and 

 instrument to obtain directional wave data for use in coastal engineering 

 design. A portion of the work discussed in this report was carried out 

 under the U.S. Army Coastal Engineering Research Center's (CERC) Littoral 

 Data Collection Methods and Engineering Applications work unit and the Field 

 Research Facility's (FRF) Environmental Measurements and Analysis Work Unit 

 under the Beach Restoration and Nourishment Program and the Coastal Flooding 

 and Storm Protection Program of the Coastal Engineering area of Civil Works 

 Research and Development. 



The report is published as received from the author; results and con- 

 clusions are those of the author and are not necessarily accepted by CERC 

 or the Corps of Engineers. 



The report was prepared by Mr. Kevin Bodge while in graduate study at the 

 University of Delaware and under the general supervision of Dr. Robert G. Dean. 



CERC Technical Monitor for the work done under CERC Contract Number 

 DACW72-81-C-0025 was Dr. Todd L. Walton, Jr. 



Technical Director of CERC was Dr. Robert W. Whalin, Ph.D., P.E,, upon 

 publication 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. 



TED E. BISHOP 



Colonel, Corps of Engineers 



Commander and Director 



