So 



I?. 

 I" 



tf tf 7 



11 - 



PERIOD (seco) 

 -g i 2_ 



J^ 



p 



°ffM 



g h»25 ft.# H=5 ft. 



1.00 1'.90 2'.00 2'.S0 

 FREQUENCY trod/'oec) 



FIGURE II-3: Instrument response to a five- 

 foot surface wave,, (continued from previous 

 page) . 



PERIOO (see*) 



lOL 



i» m 7 



? !♦ 9 2^ 2 





4P SIGNAL 



SENSOR HEIQHT ABOVE BOTTOM 



8 









s^ 





S feet 



i foot 



8 





\ 



1 



Z' 



^\ \ 



8 





'-\ \ 



«»■ 





^x \ 



S 



h=23 ft., H-5 ft. 





^ 



.00 (f.90 l'.00 



i'.ao ijxi 2'jao 3'm b. 



FfSQUENCV (pB<|/'«ec) 



FIGURE II-4: Differential pressure transducer 

 response to a five-foot surface wave in 

 twenty-five feet of water with varying 

 deployment depths. 



