Table 2. --Continued 



STATION 49 



STRANGER; February 21, 1959; 1755 G.c.t. (zone +7, 1055); 22°42'N., 109°50'W.; sounding, 850 fm.; wind, 310°, 

 force 2; temp., 72.7°F. dry, 67.1°F. wet; weather, clear; sea, moderate; wire angle, 06°; BT slide No. 49A, 49B. 



Submarine irradiance and attenuation coefficients at 1249 hr. 



Wire Angle Wire Out Corrected Output Photometer Depth Depth Interval Attenuation Coefficient 



of Detector 

 m. ua^ m. m. k 



10 



530 



263 



122 

 49.4 

 17.6 



10-20 

 20-30 

 30-40 

 40-45 



0.0701 

 0.0768 

 0.0904 

 0.206 



Phytoplankton: 



Depth 



100 

 150 

 200 



Chlorophyll a 



mg./m. 



Biological Data 



Photosynthesis 



Lab. Incubator 



mg. C/m. 3 /hr. 



at 1)000 ft .-candles 



Light 

 1.91 



Deck Incubator 



mg. C/m. 3 /day 

 Light Dark 



Neutral Filter 



28.9 



25.4 



27.1 



29.4 

 1.58 

 1.92 

 0.896 

 0.304 



25.8 

 13.4 



Water column: 31 mg./m. 



19.4 mg. C/m. 2 /hr. 



