Table of Contents 



Page 



Title Page - i 



Abstract.- - -- -- — - - i" 



Table of Contents .- - - -- v 



List of Illustrations - - - -— v 



List of Tables -. ..-. vi 



Introduction - 1 



Data Acquisition - 1 



Water Mass Distribution 1 



Oxygen and Nutrient Distribution 4 



References — 5 



Illustrations 6 



Appendix A — Oceanographic Data — ..-. 19 



List of Illustrations 



Figure Page 



1. Location of stations for the 1970 International Weddell Sea 



Oceanographic Expedition (IWSOE-70). ..-.. 6 



2. Scatter plot of temperature (°C) vs. salinity (%o) for all sta- 



tions taken in the eastern Weddell Sea during IWSOE-70. 7 



3. Temperature (°C) salinity (%o) diagram of stations 5 and 31 



from IWSOE-70 8 



4. Envelope of temperature (°C) versus depth (m) for stations 9 



through 17 (Halley Bay) from IWSOE-70 9 



5. Envelope of salinity (%o) versus depth (m) for stations 9 



through 17 (Halley Bay) from IWSOE-70. 10 



6. Temperature (°C) versus depth (m) for stations 5, 6, and 7 from 



IWSOE-70. Shallow casts by STD. Deeper casts by Nansen 

 bottles. 11 



7. Dissolved oxygen (ml/1) versus depth (m) for all stations taken 



during IWSOE-70. 12 



8. Envelope of inorganic phosphate (jug-at/l) versus depth (m) for 



all shelf stations taken during IWSOE-70 ..-- 13 



9. Envelope of nitrate (^tg-at/l) versus depth (m) for all shelf 



stations taken during IWSOE-70 14 



10. Envelope of silicate (/xg-at/l) versus depth (m) for all shelf 



stations taken during IWSOE-70 15 



11. Envelope of inorganic phosphate (/xg-at/1) versus depth (m) for 



all deep stations taken during IWSOE-70 16 



12. Envelope of nitrate (^ig-at/l) versus depth (m) for all deep 



stations taken during IWSOE-70. 17 



