CONTENTS 



FIGURES-Continued 



Page 



13 Comparison of beach profiles obtained with unimodal and 



bimodal sediment distribution having the same median 



diameter (Hq/Lq = 0.055) 37 



14 Comparison of beach profiles obtained with unimodal and 



trimodal sediment distribution having the same median 



diameter fH /L = 0.020) 38 



^ o' o 



15 Comparison of beach profiles showing effect of grain shape 



for glass beads and ground glass (Hq/Lq = 0.016) 41 



16 Comparison of beach profiles showing effect of grain shape 



for glass beads and gromid glass (Hq/Lq = 0.030) 42 



17 Comparison of beach profiles as influenced by grain shape 



difference for mixed sizes CHq/Lq = 0.012) 43 



18 Comparison of beach profiles as influenced by grain shape 



difference for mixed sizes (Hq/Lq = 0.02) 44 



19 Sequence of profiles illustrating instability 45 



20 Comparison of equilibrium profiles attained with different 



initial slopes 47 



21 Comparison of four independent profiles for ground glass 48 



22 Comparison of three independent profiles for ground glass .... 49 



23 Comparison of two independent profiles for groimd glass 50 



24 Attempted verification test for CERC run number 7 using 



rocklite 55 



25 Attempted verification test for CERC run number 3 using 



rocklite 56 



26 Attempted verification test for CERC run number 6 using 



rocklite 57 



27 Attempted verification test for CERC run number 4 using 



pumice 58 



28 Comparison of shoreline to breaker distance with relationship 



of Sitarz 60 



29 Observed beach face slope compared with relationship of 



Sitarz 61 



30 Comparison of experimental data with relationship by 



Nicholson for beach crest height 62 



31 Comparison of beach profile changes with critical depth of 



motion 64 



