Figures 



Frontispiece: Hydrographic platform and winch, Hugh M. Snnith cruise 14. Photo by G. I. 

 Murphy. 



1. Example of station data representation. 



2. Station positions. 



3. Dynamic topography, 155 W. 



4. Geostrophic currents, 155° W. 



5. Vertical section of tennperature, 155° W. 



6. Vertical section of sigma-t, 155 W. 



7. Vertical section of salinity, 155° W. 



8. Vertical section of tennperature, 180 . 



9. Vertical section of sigma-t, 180 . 



10. Vertical section of salinity. 180°. 



11. Vertical section of phosphate, 180°. 



12. Vertical section of temperature, 169 W. 



13. Vertical section of sigma-t, 169 W. 



14. Vertical section of salinity, 169° W. 



15. Vertical section of phosphate, 169 W. 



16. Vertical sections of temperature, John R. Manning cruise 11. 



17. BT traces showing "sharp" thermocline bottom. 



18. BT section showing "sharp" thermocline bottom. 



