92 



STATION 143 

 (regular forenoon) 



June 16, 1958; 1803 GCT; 22°18'N, 108°32'W; 2000 £m; wind, 260°, force 3; temp. , 82.0°Fdry, 76. 8°F wet; 

 weather, partly cloudy; sea, moderate; wire angle, 16°; time zone 7. 



Submarine Daylight: 



Incident solar radiation: daily T 693 gm-cal/cm , day L 14. 48 hr. 



Biological Data 



3 

 Phytoplankton: depth (m) of chlorophyll a (mg/m ), 1, 0.15; 5, 0.15; 10, 0. 13; 25, 0.13; 50, 0. 36; 100, 0.12. 



Water column clilorophyll a: 22. 1 mg/m^. 



Phytoplankton haul taken. 



Zoopiankton: N-C N, o to 292 m, 1859-1932 GCT, 31 ml T, 28 ml S; H at m, 1909-1939 GCT, 37 ml T, 37 ml S. 



a) Duplicate values: 100 m, 2.63; 260 m, 2.97; 364 m, 2.97; 801 m, 3.46; 1081 m, 3.37 ^g at/L. 



