TABLE OF CONTENTS 



Page 



Frontispiece ii 



Title Page i 



Abstract \\\ 



Table of Contents v 



List of Illustrations v 



Introduction j 



Data Collection and Processing [ 



Interpretation of Results 1 



Temperature I 



Salinity -, 



Oxygen - 



Isotherms .(, 



Isohalines 7 



Standard Deviation -7 



References ♦ }• 



Illustrations 



Appendix A - Oceanographic Data I9 



LIST OF ILLUSTRATIONS 



Figure Page 



1. Chart of all North Atlantic Ocean Stations occupied by U.S. Coast Guard 

 Vessels 9 



2. Monthly averages of temperature ( * C) versus time at selected depths at 

 Ocean Station ECHO, September 1966 - April 1973 10 



3. Monthly averages of salinity ("/oo) versus time at selected depths at Ocean 

 Station ECHO, September 1966 - April 1973 11 



4a. Vertical distribution of dissolved oxygen (ml/1) versus depth (m) at 

 oceanographic stations taken by USCGC DUANE at Ocean Station ECHO, 



14 November - 7 December 1970 12 



4b. Vertical distribution of dissolved oxygen (ml/1) versus depth (m) at 

 oceanographic stations taken by USCGC INGHAM at Ocean Station 



ECHO, 22 January - 12 February 1971 12 



5. Monthly average depths (m) of selected isotherms ( "C) versus time at 



Ocean Station ECHO, September 1966 - April 1973 13 



V 



