- 10 - 



"^ 8 



w 8 

 8 



PERIOD (sees) 



'Vm 



h^ia ft.* H=5 ft 



tf.50 



1^00 1'.50 2'.00 



FISQUENCV (rsd/'sec) 



3S 





PERIOD (aecaj 



je__l£_ 



JcL. 



dP 

 P 



«^:oo 



l'.00 1^50 2^00 



FRE0UEh4CY (pod/'sec ) 



FIGURES 11-1,2: Instrument response to a five- 

 foot surface wave in varying water depths. 

 Sensors are three feet from the seafloor. 



