- 129 - 



6/ll/'82 0700 EST 



17 MIN RECORD 

 8.S MIN* Isi HMJ" 

 8.5 MIN. 2n<i HAUF 



1j.2s olio" 0,?5 



1.00 l.i25 1^^ 

 FREQUENCY (rad/sfec ) 



:fe" 



LU 

 O 



<r 

 .J 

 a. 



CO 



a 



2.00 



FIGURE Vl-9: Block-averaged energy spectra of water surface 

 displacement for a 17 minute long record and 8.5 minute 

 long records. 



