CONTENTS- -Continued 



TABLES 



Page 



1 Range of conditions tested with monochromatic and irregular waves. . . 21 



2 Empirical wave runup prediction coefficients for smooth impermeable 



slopes 26 



3 Wave runup prediction coefficients using the Ahrens and McCartney 



(1975) method 28 



4 Effect of relative depth on prediction of Ky^ 44 



5 Porosity of various armor units 50 



FIGURES 



1 Plan view of wave tank 14 



2 Determination of incident and reflected waves using the method of 



Goda and Suzuki (1976) 15 



3 The spectral peakedness, Qp, for various spectral shapes 17 



4 Sample incident laboratory wave spectra 18 



5 Sample laboratory wave records showing various levels of wave 



grouping 19 



6 Percent of incident wave energy at the period of wave generator blade 



motion for sinusoidal wave generator blade motion 20 



7 Definition of terms for wave transmission by overtopping 22 



8 Wave reflection coefficients and fraction of wave energy dissipated 



for a 1 on 1.5 smooth slope with no wave transmission 23 



9 Wave reflection coefficients for a breakwater with zero freeboard 



compared to a similar structure with no overtopping 23 



10 Wave transmission and reflection coefficients for a smooth impermeable 



breakwater 25 



11 Wave runup on riprap 27 



12 Wave runup prediction for rough structures using the Ahrens and 



McCartney (1975) method 28 



13 Wave transmission coefficients for smooth impermeable breakwaters 



with 1 on 1.5 slopes 29 



14 Wave transmission coefficients for vertical, smopth impermeable 



breakwaters using Coda's (1969) data 30 



