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1. REPORT NUMBER 



CETA 79-5 



2. GOVT ACCESSION NO. 



3. RECIPIENT'S CATALOG NUMBER 



4. TITLE (and Subtitle) 



ESTIMATING NEARSHORE SIGNIFICANT WAVE HEIGHT 

 FOR IRREGULAR WAVES 



5. TYPE OF REPORT & PERIOD COVERED 



Coastal Engineering 

 Technical Aid 



6. PERFORMING ORG. REPORT NUMBER 



7. AUTHORS 



William N. Seelig 



8. CONTRACT OR GRANT NUMBERfsJ 



9. PERFORMING ORGANIZATION NAME AND ADDRESS 



Department of the Army- 

 Coastal Engineering Research Center (CERRE-CS) 

 Kingman Building, Fort Belvoir, Virginia 22060 



F31538 



II. CONTROLLING OFFICE NAME AND ADDRESS 



Department of the Army- 

 Coastal Engineering Research Center 

 Kingman Building, Fort Belvoir, Virginia 22060 



12. REPORT DATE 



October 1979 



13. NUMBER OF PAGES 



14. MONITORING AGENCY NAME ft ADDRESSflf different Irom Controlling Ottice) 



IS. SECURITY CLASS, (ol this report) 



UNCLASSIFIED 



16. DISTRIBUTION STATEMENT (of this Report) 



Approved for public release, distribution unlimited. 



17. DISTRIBUTION STATEMENT (of the abstract entered In Block 20, II different from Report) 



18. SUPPLEMENTARY NOTES 



19. KEY WORDS (Continue on reverse Bide If i 



geary and identity by block number) 



Analytical model 

 Computer program 



Design curves 



Irregular wave conditions 



20. ABSTRACT (*Corrt£nije «s reverwm eittm tt rmceaeary and. Identity by block number) 



Design curves for predicting nearshore significant wave height for 

 irregular wave conditions, given deepwater wave conditions and the nearshore 

 bottom slope, are presented. Examples of the curves used are given. The 

 design curves were developed using the analytical model of Goda (1975) . 



DD, 1 



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