32 



STATION 23 (cont. 



Submarine Daylight: 



Incident solar radiation: daily T 576 gm-cal/cm , day L 12.47 hr. 



Biological Data 



3 

 Phytoplankton: depth (m) of chlorophyll a (mg/m ), 1, 0.062; 25, 0.061; 50, 0.073; 75, 0.20; 100, 0.33; 150, 0.078. 



Water column chlorophyll a: 24 mg/m" 



Phytoplankton haul taken. 



Zooplankton: C N, H at 32 m, 1500-1515 GCT, 75 ml T, 75 ml S; H at 162 m, 1539-1555 GCT, 4 ml T, 4 ml S; 

 H at 373 m, 1614-1633 GCT, 1 ml T, 1 ml S. 



STATION 24 

 (special) 



May 3, 1958; 2132-2355 GCT; 10°18'N, 108'57'W; 1280 fm; time zone 7. 



Biological Data 



Zooplankton; N-C N, o to 235 ra, 2145-2217 GCT, 32 ml T, 32 ml S; H at m, 2154-2225 GCT, 15 ml T, 15 ml S. 



Nekton: o, depth missing, 2240-2348 GCT, 8 ml T. 



a) Duplicate value, 2. 74 ng at/L. 



