18 17 16 15 14 13 (2 M 10 19 20 21 22 23 24 25 26 27 9 6 7 6 5 4 3 2 1 





S— LATITUDE — N 



Fig. 16 — Upper: surface temperatures by bucket thermometer in degrees F. , measured with 

 each BT cast. Lower; temperatures from BT data in degrees F. John R. Manning 

 cruise 11. RighT! sTations 1 (January 29) - 9, 155° W. longitude, 8"^ N. "to 2"40'S. lati- 

 tude, January-February 1952. Center: stations 19 (March 4) - 27, 169° W. longitude, 

 6°40'S. to4°10'N. latitude, March 1952. Left: stations 10 (February 16) - 18. 180° longi- 

 tude, 2°35'N. to 8° S. latitude, February 1952. Plotting interval 2° F. Horizontal dashes 

 indicate depths of observations less than 900 feet. 



Fig. 17 — BT traces illustrating the "sharp" thermocline bottom, 2°-3 N. latitude. Temper- 

 atures in degrees F. , depths in feet. Position and date of each trace indicated. 



