



Run s0311a 



_« —_ 





Chan 36 



N 2i 



X - 







mean - 0.13 



~v : 







std dev - 0.44 



CM ° 









X Ol 



j 







X """ : 

















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V. O, 



a\j\ 







E — « = 

























2'o, 









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0.2 0.4 0.6 0.8 



1.0 1.2 1.4 



-- 





Frequency (Hz) 









1 





in 









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i. 



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ill . ih* 



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139.0 



278.0 



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(1) 





1 1 1 



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V 



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H 



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I'l 1 Hl'ir 1 



m 







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1 



,0 278.0 



417.0 



556.0 



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m 





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it i 



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a, 556. 



695.0 



834.0 



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831.0 



973.0 

 Time (sec) 



1112.0 



Figure 3-6. Current meter raw spectrum and time series of the raw 

 and low-pass signal for Channel 36, Run S301 1 A 



Summary of data characteristics 



Resistance wave gauge. Spectral analysis results for the wave gauges are 

 given in Table CI, and time series results are given in Table C2, both 

 contained in Volume II of this report. Figure 3-7 gives an example summary 

 of the wave transformation for a typical run (A0814A). Wave height 

 increases (through shoaling) up to breaking and then decays. Energy in the 

 low-frequency portion of the spectrum increases in shallower depths as shown 

 in the lower half of Figure 3-7. Energy also increases at harmonics of the 

 peak frequency in shallower depths which can be seen with the increase in 



70 



Chapter 3 SUPERTANK Hydrodynamics 



