Table 1.- -Continued 



STATION 15 (con.) 

 Incident solar radiation: daily T 402 g.-cal./cm. . 

 Submarine irradiance and attenuation coefficients at 1250-1310 hr.: 



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



of Detector 

 m. \ia_. m_. m_. k 



0° 



Phytoplankton: 



Depth 



Chlorophyll a 



mg./m. 3 



75 

 100 

 150 

 200 



272 



62.5 

 2.0 



10-20 

 20-30 



Biological Data 



Photosynthesis 



Lab. Incubator Deck Incubator 



mg. C/m. 3 /hr. 

 at 1,000 ft .-candles mg. C/m. 3 /day 



Light 



Dark 



Light 



Water column: 61 mg./m. 

 Phytoplankton haul taken. 

 Zooplankton: N-C N, o to 248 m. 



528 mg. C/m. 2 /hr. 



1100 hr. (30'10"), 151ml. T, 151 ml. S. a > 



0.240 

 0.258 

 0.112 



STATION 15A 

 SPENCER F. BAIRD; November 28-29, 1958; zone +6, 2350-0146; 14°24'N., 95°30'W. ; sounding, 2150 fm. 

 Incident solar radiation: daily T 402 g.-cal./cm. . 



Biological Data 

 Zooplankton: N-C N, H at m., 0130 hr. (16'26"), 705 ml. T, 705 ml. S. 



a) Surface water very green near this station (see Station 11). 



