CONTENTS 



FIGURES— Continued 



Page 



11 Wave height rose for offshore wave climate. . „ „ 25 



12 Wave period rose for offshore wave climate. . „ » 26 



13 Hand-held anemometer = . . . 27 



14 Breaker notation methods ,. 29 



15 Abney level o = 30 



16 Pneumatic jackhammer setup for driving profile pipes into 



sand and beach rock 31 



17 Diver making subaqueous sand level measurement at the 



Boca Raton site 32 



18 Plan view of Boca Raton pipe profile installation 33 



19 Pipe profile control survey 34 



20 Profile coordinate system o . . 36 



21 Beach and nearshore profile areas o o . 37 



22 Definition of MSL shoreline change and subaerial unit 



volume change = 38 



23 Mean wind roses from Jupiter ,. . • . 40 



24 Mean wind roses from Boca Raton „ 41 



25 Mean wind roses from Hollywood 42 



26 Breaker height rose for Jupiter, 20 January 1969 



to 29 June 1973 44 



27 Breaker height rose for Boca Raton, 2 January 1969 



to 26 June 1973 44 



28 Breaker height rose for Hollywood, 4 February 1969 



to 26 June 1973, „ 46 



29 Monthly mean breaker height and period 47 



30 Comparison of visually observed and measured height and 



period data » . 48 



