FIGURE 4-4. ABSORPTION OF WAVES IN SEAWATER. 



CO 



"O 



Z 



UJ 



U 



^o' 



10^ 



103 



IQi - 



10^ 



o 



u 



z 

 o 



H- 

 Cl. 



a: 

 O 



< 



10^ 



10-^ - 



10^ 



10^ 



RADIO 

 WAVES 



SOUND 

 WAVES 



10° 102 10'* 10^ 108 



FREQUENCY IN Hz 



lOio 



41 



