Figure Page 



39. A pod of at least 57 Walrus on ice cake 165 



40. Distribution of seals from Point Barrow to Cape Lisburne 166 



Geological, Biological, and Chemical Oceanography of the Eastern 



Central Chukchi Sea 



Figure Page 



1. Location of bottom sediment samples 180 



2. Distributions of gravel-sand-silt-clay percentage composition 



in core samples 181 



3. Size distribution of barrier beach sediments at Point Lay 182 



4. Distribution of smectite concentration in bottom sediments — - 183 



5. Distribution of illite concentration in bottom sediments 184 



6. Distribution of chlorite concentration in bottom sediments 185 



7. Distribution of kaolinite concentration in bottom sediments ... 186 

 8 and 9. Relationship between metal ions in interstitial waters 



and pH, temperature and texture of bottom sediments 187 



Preliminary Report on the Zooplankton Collected on WEBSEC-70 

 Figure Page 



1. Location of vertical zooplankton tows 197 



2. Number of zooplankton species collected 198 



3. Concentration of calanoid copepods collected 199 



Preliminary Report on the Fish Collected on WEBSEC-70 



1. Positions and sequence of trawling stations during 



WEBSEC-70 



List of Tables 



Preface 

 Table Page 



1. Summary of station times, positions, and sampling operations 



on WEBSEC-70 xvi 



Physical Oceanography of the Eastern Shukchi Sea off Cape 



Lisburne-Icy Cape 

 Table Page 



1. Monthly average wind velocity (vector average) and air 



temperature for Point Hope and Point Barrow, Alaska 2 



2. Monthly average percent frequency of observed winds 



equal to or greater than 34 kts and equal to or less than 



10 kts at Point Hope and Point Barrow 2 



3. Mean monthly percent frequency of observed winds in the 



four most prevalent octants at Point Barrow 3 



4. Mean monthly percent frequency of observed winds in the 



four most prevalent octants off Icy Cape (shipboard 

 observations) 3 



