List of Illustrations 



Physical Oceanography of the Western Beaufort Sea 



Figure Page 



1. Location of area studied during WEBSEC-71 and 72, 



August-September, 1971 and 1972 17 



2. Location of oceanographic stations and sections WEBSEC-71, 



August-September, 1971 18 



3. Location of oceanographic stations and sections WEBSEC-72, 



August-September, 1972 ■ 19 



4. Average surface currents for Beaufort Sea (from USNHO Oceanographic Atlas 



of Polar Seas — Part II, 1968). Current speed is given in knots 20 



5. Distribution of ice concentration during WEBSEC-71, August-September, 1971). 



(based on CGC GLACIER observations) 21 



6. Distribution of ice concentration during WEBSEC-72, August-September, 1972. 



(based on CGC GLACIER observations) 22 



7. Temperature (°C) — salinity (°/oo) values during WEBSEC-71, 



August-September 1971 23 



8. Temperature (°C) — salinity (7oo) values during WEBSEC-72, 



August-September, 1972 24 



9. Sea surface salinity (7oo) during WEBSEC-71, August-September, 1971 25 



10. Sea surface salinity (7oo) during WEBSEC-72, August-September, 1972 26 



11. Salinity (7oo) at 10 meters during WEBSEC-71, August-September, 1971 27 



12. Salinity (7oo) at 10 meters during WEBSEC-72, August-September, 1972 28 



13. Salinity (7oo) at 30 meters during WEBSEC-71, August-September, 1971 29 



14. Salinity (7oo) at 30 meters during WEBSEC-72, August-September, 1972 30 



15. Sea surface temperature (°C) during WEBSEC-71, August-September, 1971 31 



16. Sea surface temperature (°C) during WEBSEC-72, August-September, 1972 32 



17. Temperature (°C) at 10 meters during WEBSEC-71, August-September, 1971 33 



18. Temperature (°C) at 10 meters during WEBSEC-72, August-September, 1972 34 



19. Temperature (°C) at 30 meters during WEBSEC-71, August-September, 1971 35 



20. Temperature (°C) at 30 meters during WEBSEC-72, August-September, 1972 36 



21. Dissolved oxygen concentration (ml/1) at the sea surface during WEBSEC-71, 



August-September, 1971 37 



22. Dissolved oxygen concentration (ml/1) at the sea surface during WEBSEC-72, 



August-September, 1972 38 



23. Dissolved oxygen concentration (ml/1) at 10 meters during WEBSEC-71, 



August-September, 1971 39 



24. Dissolved oxygen concentration (ml/1) at 10 meters during WEBSEC-72, 



August-September, 1972 40 



25. Dissolved oxygen concentration (ml/1) at 30 meters during WEBSEC-71, 



August-September, 1971 41 



26. Dissolved oxygen concentration (ml/1) at 30 meters during WEBSEC-72, 



August-September, 1972 42 



27. Surface wind velocity (kts) during WEBSEC-71, August-September, 1971 43 



vii 



