List of Illustrations — Cont. 



Figure ^""^ 



7. Temperature versus salinity curves, USCGC ANDROSCOGGIN. 



25 November to 15 December 1968 15 



8. Temperature versus salinity curves, USCGC DALLAS, 16 De- 

 cember 1968 to 9 January 1969 10 



9. Temperature versus salinity curves, USCGC McCULLOCH, 15 

 January to 22 January 1969 '7 



10. Temperature versus salinity curves, USCGC DUANE, 2 Feb- 

 ruary to 23 February 1969 ^'^ 



11. Temperature versus salinity curves, USCGC DALLAS, 24 Feb- 

 ruary to 18 March 1969 19 



12. Temperature versus salinity curves, USCGC ESCANABA, 11 

 April to 4 May 1969 20 



13. Temperature versus salinity curves, USCGC HALFMOON, 29 

 May to 19 June 1969 21 



14. Temperature versus salinity curves, USCGC BIBB, 21 June to 



11 July 1969 22 



15. Temperature versus salinity curves, USCGC INGHAM, 14 July 



to 3 August 1969 23 



16. Temperature versus salinity curves, USCGC YAKUTAT, 5 

 August to 26 August 1969 24 



17. Schematic chart of temperatures (°C) at a depth of 200 meters 



in the Gulf Stream Area (after Fuglister, 1951) 25 



18. A portion of the uncorrected analog trace for station #10, cruise 



D32 26 



19. Temperature (potential temperature for all temperatures less 

 than 4°C) versus salinity curves for all deep stations greater 

 than 1500 meters on Ocean Station DELTA 27 



List of Tables 



Table Page 



1. Oceanographic cruises on Ocean Station DELTA, August 1968 



to August 1969 1 



2. Water masses found on Ocean Station DELTA, August 1968 to 

 August 1969 2 



3. The means and standard deviations of the depth, temperature, 

 salinity and salinity anomaly of the core of Subarctic Intermedi- 

 ate water found on Ocean Station DELTA, August 1968 to 

 August 1969 4 



4. The means and standard deviations of the depth, temperature, 

 salinity, and sigma-t, of the Mediterranean salinity maximum 

 found on Ocean Station DELTA, August 1968 to August 1969 __ 5 



VI 



