FIGURES 



Page 



1 Projection of future world-wide desalting use. 14 



2 Schematic diagrair of the operation of the Key 



West desalination plant. 18 



3 Phase II station locations in Safe Harbor, 



Stock Islant, Florida Keys. 21 



4 Schematic of biological station installation 



near the top of a vertical canal wall. 23 



5 Location of thermister strands in Safe Harbor 



Canal. 27 



6 Dates of dredging and filling in Safe Harbor. 29 



7 Bioassay experiments. 37 



8 Monthly mean percent effluent and the 90 percent 

 confidence limits of the mean at Station 3C, 73m 

 (240 feet) from the discharge of the desalination 

 plant. 39 



9 Bathymetry of Safe Harbor. 42 



10 Monthly operating parameters of the Key West 

 desalination plant from August, 1970 to 



August, 19 71. 46 



11 Average monthly physical parameters from all 

 stations in Safe Harbor from August, 19 70 to 



August, 1971. 47 



12 Twelve month average of the rise in temperature 

 and salinity caused by the desalination plant 

 effluent at all stations in Safe Harbor. 49 



13 Average monthly depth of the effluent stratum 



at all stations in Safe Harbor. 51 



14 Average monthly rise in temperature caused by 

 the desalination plant effluent at all stations 



in Safe Harbor. 53 



15 Isotherms in Safe Harbor Channel March 12, 19 70 



from 1200 to 1205 hours. 54 



Vlll 



