Figure Page 



35. Temperature — salinity regressions from WEBSEC-70 



observations 46 



36. Observed temperature — salinity values and processes or water 



masses influencing the properties of the Eastern Chukchi 



Sea Fall Influx 47 



37. Vertical profile of temperature along section A-A' 48 



38. Vertical profile of salinity along section A-A' 49 



39. Vertical profile of temperature along section B-B' 49 



40. Vertical profile of salinity along section B-B' 50 



41. Vertical profile of dissolved oxygen along section B-B' 50 



42. Vertical profile of dissolved inorganic phosphate along section 



B-B' 51 



43. Vertical profile of dissolved inorganic nitrate along section 



B-B' 51 



44. Vertical profile of dissolved inorganic nitrite along section 



B-B' 52 



45. Vertical profile of dissolved inorganic silicate along section 



B-B' 52 



46-59. Histograms of current velocity measured at 10 m 53 



60-73. Progressive vector diagram for currents measured at 10 m 60 



74. Progressive vector diagram for currents measured near bottom 



on station 8 67 



75. Vector average velocities at 10 m and near bottom 68 



Preliminary Results of Geologic Studies in the Eastern Central 



Chukchi Sea 



Figure Page 



1. Location map, sampling sites, and bathymetry of the area 



studied 92 



2. Velocity of near-bottom currents 93 



3a. Bottom photograph at station 63 94 



3b. Bottom photograph at station 87 94 



4. Light transmittance at 10-meter depth 95 



5. Thickness of bottom turbid layer 96 



6. Bottom sediment types 97 



7a. Radiograph of 1-cm thick slab of box core from station 79 ... 98 



7b. Radiograph of 1-cm thick slab of box core from station 9 98 



8. Bioturbation in surficial sediments at station 8 99 



9. Beach profiles I and II at Kokolik Pass 100 



10. Aerial view south from Kokolik Pass 101 



11. Northwest — southeast profile of transmittance, bottom 



sediment type, and near-bottom current direction 102 



Pelagic Bird and Mammal Observations in the Eastern Chukchi 



Sea, Early Fall 1970 



Figure Page 



1. Transects and stations on which birds and mammals were 



observed or collected during WEBSEC-70 129 



Vlll 



