Fig. 6. Mase's (1989) data plotted versus Iribarren number.

Hughes-Runup-CEv51
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Application of maximum depth-integrated wave

so it was necessary to extract Tp from given values of

nop using Hmo and tana. (Mase's listed values of Hmo/

momentum flux parameter to irregular waves requires

substitution of representative irregular wave parame-

Lop appeared to have been rounded off and would

ters Hmo and Tp for the regular wave height H and

have produced a less reliable estimate of Tp).

period T, respectively, in Eqs. (28)(30). Original data

Ahrens' (1981) and Mase's (1989) measurements

provided by Ahrens included his measurements of

for Ru2% were normalized by water depth h at the

Hmo and Tp. Mase (1989) did not directly tabulate Tp

toe of the plane slope and plotted versus the

Fig. 7. Ahrens' (1981) and Mase's (1989) data plotted versus wave momentum flux parameter.