^\jJA 



p^<^/^ ^^ 





1 



Q is Average 



1 



Nominal 



1 1 







for 



Depth 







Symbo 



Sphere Nos. 



(ft) 







o 



4 and 5 



4,100 







▼ 



11 



3,100 







V 



10 and 12 



3,000 







■ 



13 and 14 



2,500 







n 



15 and 16 



2,200 







9 



17 and 18 



1,900 

 sphere 

 sphere 









coated 



P/^ 







— half-coated 



sphere 





— 





^ 



X/^: 



— 







// 

 / / 



/ / 







/ V 



/ / 



X y^ 

 X 



'^^' "■""'* 





- // 



f' 







— 



r A 

 It /^ 









f/y 











i 



1 



1 



1 1 





200 300 



Time on Seafloor (days) 



Figure 12. Total seawater intake of concrete spheres. 



15 



