z 

 o 



(- 

 o 



o 



Z 



o 



90 



80- 



70 



60 



50- 



40- 



30- 







• 



.''^o- ■ 



SILT •• ■• 



KAOLIN D D 



CA CO, o- — -o 



I I I — 



1 2 3 



CONCENTRATION g/liter 



Figure 10. Effects of turbidity on pumping rate (adapted from Loosanoff and 

 Tommers 1948). 



27 



