List of Illustrations 



Preface 



FigTire Page 



1. Location of sampling stations during WEBSEC-70 xv 



Physical Oceanography of the Eastern Chukchi Sea off Cape 



Lisburne-Icy Cape 



Figure Page 



1. Location of area studied during WEBSEC-70 12 



2. Location of oceanographic (water sampling) stations and 



sections 13 



3. Bottom depth off Cape Lisbume-Icy Cape 14 



4. Average surface current velocities 15 



5. Current velocities at 5 and 20 m 16 



6. Location of the edge of the polar ice pack during WEBSEC-70 17 



7. Sea surface temperature 18 



8. Temperature at 10 m 19 



9. Near-bottom temperature 20 



10. Sea surface salinity 21 



11. Salinity at 10 m 22 



12. Near-bottom salinity 23 



13. Dissolved oxygen concentration at the sea surface 24 



14. Dissolved oxygen concentration at 10 n' 25 



15. Dissolved oxygen concentration near bottom 26 



16. Percent saturation of dissolved oxygen at the sea surface 27 



17. Percent saturation of dissolved oxygen at 10 m 28 



18. Percent saturation of dissolved oxygen near bottom 29 



19. Concentration of dissolved inorganic phosphate at the 



sea surface 30 



20. Concentration of dissolved inorganic phosphate at 10 m 31 



21. Concentration of dissolved inorganic phosphate near bottom .... 32 



22. Concentration of dissolved inorganic nitrate at the sea surface 33 



23. Concentration of dissolved inorganic nitrate at 10 m 34 



24. Concentration of dissolved inorganic nitrate near bottom 35 



25. Concentration of dissolved inorganic nitrite at the sea surface 36 



26. Concentration of dissolved inorganic nitrite at 10 m 37 



27. Concentration of dissolved inorganic nitrite near bottom 38 



28. Concentration of dissolved inorganic silicate at the sea surface 39 



29. Concentration of dissolved inorganic silicate at 10 m 40 



30. Concentration of dissolved inorganic silicate near bottom 41 



31. Surface air temperature 42 



32. Surface wand velocity 43 



33. Observed temperature — salinity values during WEBSEC-70, 



September-October 1970, and NORTHWIND, October 1962 

 compared with water mass classifications of previous in- 

 vestigators 44 



34. Water mass classifications for the eastern Bering and Chukchi 



Seas 45 



Vll 



