CONTENTS 



Page 



Introduction 1 



Areas of study 1 



Data acquisition and processing 1 



Transect analysis 2 



Gulf of Mexico transects 2 



Loop Current 2 



Eddies 2 



Low salinity surface water 2 



Western Atlantic transects 4 



Characteristics of the bottom water cold cell 4 



Gulf Stream 6 



Eddies 8 



Shelf Water-Slope Water front 9 



Acknowledgments 10 



Literature cited 10 



Appendix 11 



Figures 



1. Composite plot of Gulf of Mexico eddy positions 2 



2. Variations in cold cell temperature and depth along the MORMAC transect 5 



3. Variations in cold cell temperature and depth along the Santa Cruz transect 5 



4. Variations in cold cell temperature and depth along the HOTEL transect 6 



5. Composite plot of cold cell temperature and depth 6 



6. Gulf Stream crossings— May 1974 7 



7. Gulf Stream crossings and Shelf Water-Slope Water front positions — June-August 1974 7 



8. Gulf Stream crossings and Shelf Water-Slope Water front positions — September-November 1974 .... 7 



9. Gulf Stream crossings — December 1974 7 



10. Gulf Stream eddies surveyed during 1974 9 



Tables 



1. Crossings of the Loop Current made by SOOP vessels in 1974 2 



2. Location and characteristics of eddies transected in the Gulf of Mexico by SOOP vessels in 1974 ... 3 



3. Low salinity (< 34.5°/oo) coastal water encountered by SOOP vessels in the northern Gulf of Mexico in 



1974 3 



4. Characteristics of the bottom water cold cell detected by SOOP vessels in 1974 4 



5. Gulf Stream crossings by SOOP vessels in 1974 8 



6. Comparison of Gulf Stream position in 1974 as located by SOOP, NESS N-69 charts, and The Gulf 

 Stream Monthly Summary 8 



7. Gulf Stream eddies transected by SOOP vessels in 1974 9 



8. Shelf Water-Slope Water front crossings by SOOP vessels in 1974 9 



9. Comparison of position of Shelf Water-Slope Water front as detected by SOOP and NESS N-69 charts 10 



Appendix Figures 



Gulf of Mexico Transects 



1. Delta Sud— 8-9 March 1974 11 



2. Delta Norte— 21-23 March 1974 12 



3. Delta Sud— 15-17 April 1974 13 



4. Delta Sud— 21 May 1974 14 



5. Delta Sud— 21-29 May 1974 15 



6. Delta Sud— 28-29 June 1974 16 



7. Delta Sud— 6-7 July 1974 17 



iii 



