Figure 



14. 



15. 



16. 

 17. 

 18. 

 19. 



Positions of USCGC DALLAS oceanographic stations, 13 July to 4 August 



1968 ^ 



Positions of USCGC COOK INLET oceanographic stations, 5 August to 



25 August 1968 



Depth of 10°C isothermal surface 



The oceanic Polar Front in the northern North Atlantic 



Fluctuations of the North Atlantic Current 



Temperature-Salinity diagram for period 27 August to 3 November 1967 



20. Temperature-Salinity diagram, 30 November to 15 December 1967 



21. Temperature-Salinity diagram, 13 January to 8 April 1968 



22. Temperature-Salinity diagram, 14 April to 19 June 1968 



23. Temperature-Salinity diagram, 6 July to 25 August 1968 



24. Temperature versus time at selected depths at OS DELTA, 27 August 1967 

 to 25 August 1968 



25a. Salinity versus time at selected depths at OS DELTA, 27 August 1967 

 to 5 May 1968 



25b. Salinity versus time at selected depths at OS DELTA, 6 May to 25 August 

 1968 



26. Envelope o 



27. Envelope o 



28. Envelope o 



29. Envelope o 



30. Envelope o 



temperature versus depth, 27 August to 16 September 1967 



temperature versus depth, 22 September to 10 October 1967 

 temperature versus depth, 12 October to 3 November 1967 

 temperature versus depth, 30 November to 15 December 1967 



temperature versus depth, 13 January to 30 January 1968 



31. Envelope of temperature versus depth, 28 February to 19 March 1968 



32. Envelope of temperature versus depth, 20 March to 8 April 1968 



33. Envelope of temperature versus depth, 14 April to 5 May 1968 



34. Envelope of temperature versus depth, 6 May to 28 May 1968 



35. Envelope of temperature versus depth, 31 May to 19 June 1968 



36. Envelope of temperature versus depth, 6 July to 9 July 1968 



37. Envelope of temperature versus depth, 13 July to 4 August 1968 



38. Envelope of temperature versus depth, 5 August to 25 August 1968 



39. Envelope of salinity versus depth, 27 August to 16 September 1967 



40. Envelope of salinity versus depth, 22 September to 10 October 1967 



41. Envelope of salinity versus depth, 12 October to 3 November 1967 



42. Envelope of salinity versus depth, 30 November to 15 December 1967 



43. Envelope of salinity versus depth, 13 January to 30 January 1968 



44. Envelope of salinity versus depth, 28 February to 19 March 1968 



45. Envelope of salinity versus depth, 20 March to 8 April 1968 



46. Envelope of salinity versus depth, 14 April to 5 May 1968 



47. Envelope of salinity versus depth, 6 May to 28 May 1968 



48. Envelope of salinity versus depth, 31 May to 19 June 1968 



49. Envelope of salinity versus depth, 6 July to 9 July 1968 



50. Envelope of salinity versus depth, 13 July to 4 August 1968 



51. Envelope of salinity versus depth, 5 August to 25 August 1968 



52. Comparison of temperature and salinity versus depth at OS DELTA, ECHO, 

 CHARLIE, and Standard Section A-3, 31 January to 3 February 1968 



13 



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27 



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30 

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52 



VI 



