TEMPERATURE 23 C 



INSOLATION ON HORIZONTAL WATER SURFACE: 85 mW/cm2 

 TIME: NOON ON 



SECCHI VISIBILITY: OCTOBER 20, 1978 



>100ft 



5-ft DEPTH 



HORIZONTAL, UPWARD FACING 



5-ft DEPTH 



VERTICAL, FACING THE SUN 



— 5-ft DEPTH 



HORIZONTAL, DOWNWARD FACING 



~ I I I I I I I I I f-f^l I I I I I I I I I I 



2.5 5.0 



10.0 12.5 



VOLTAGE, V 



15.0 17.5 20.0 22.5 



Figure 24. Effect of orientation on the electrical power output of submerged solar panel at 5-ft depth in 

 water with a 100- ft Secchi visibility. 



32 



