u 



CRATER LAKE, OREGON 









- DOWNWELLING IRRADIANCE 







9 



I_ TEMPERATURE: 4-15°C 



_ PANEL ORIENTATION: HORIZONTAL, 



UPWARD FACING 

 ~ INSOLATION ON HORIZONTAL 





O-ft DEPTH 



8 



— WATER SURFACE: 80 mW/cm 2 



_ TIME: NOON ON / 

 AUGUST 3, 1978/ 







7 



^ SECCHI VISIBILITY: 95 ft / 







6 











/ 



1-ft DEPTH ^^— ^. 





5 



/ * y 







4 



- / / 











5-ft DEPTH ^ — ^ 





3 





^*""lO-ft DEPTH 









^-^ 20-ft DEPTH 





2 













*"^ 40-ft DEPTH \ 







7 / s^^\^^'^ - 



„ " 6o7t DEPTH \ 







/ y^^^ — \^~-~ — ~~*^~L———~ 



-• "sO-ft DEPTH A 









■ — ■ Tbo-ft depthN, 



rWiWli I 1 I 





200-ft DEPTH j**"" 













10.0 12.5 



VOLTAGE, V 



Figure 16. Data from figure 15 replotted to show maximum power output at different depths in Crater Lake, 

 Oregon. 



24 



