CONTENTS 



Page 

 CONVERSION FACTORS, U.S. CUSTOMARY TO METRIC (SI) 5 



SYMBOLS AND DEFINITIONS 6 



I INTRODUCTION 7 



II IRREGULAR WAVE RUNUP ON PLANE, SMOOTH SLOPES 7 



III IRREGULAR WAVE RUNDOWN 13 



IV APPLICATION OF RESULTS TO ROUGH AND POROUS SLOPES 14 



V EXAMPLE PROBLEMS 15 



VI SUMMARY. 18 



LITERATURE CITED 19 



APPENDIX 



A RUNUP SCALE-EFFECT CORRECTION FACTOR, k, FOR SMOOTH SLOPES . 21 



B RUNUP REDUCTION FACTOR, r, FOR VARIOUS TYPES OF ROUGH 



AND POROUS STRUCTURES 22 



C RUNUP SCALE CORRECTION FACTOR, k, FOR VARIOUS TYPES OF 



ROUGH AND POROUS STRUCTURES 26 



TABLES 



1 Regression coefficients for runup parameters R2/H s , R g /H s , 



and R/Hs 11 



2 Values of the runup parameters for example problem 1 16 



FIGURES 



1 Irregular wave runup parameters versus wave steepness for a 



plane, smooth slope of 1 on 1, d s /H s >3 8 



2 Irregular wave runup parameters versus wave steepness for a 



plane, smooth slope of 1 on 1.5, d s /H s >3 9 



3 Irregular wave runup parameters versus wave steepness for a 



plane, smooth slope of 1 on 2, d s /H s >3. 9 



4 Irregular wave runup parameters versus wave steepness for a 



plane, smooth slope of 1 on 2.5, d s /K s > 3 10 



5 Irregular wave runup parameters versus wave steepness for a 



plane, smooth slope of 1 on 3, d s /H s > 3 10 



6 Irregular wave runup parameters versus wave steepness for a 



plane, smooth slope 1 on 4 , d s /H s > 3 11 



7 R s /H s versus the surf parameter for 3 < d s /H s 13 



8 Rdgs/Hg versus the surf parameter 14 



