CONTENTS 



page 



3 INTRODUCTION 



3 CURRENT MEASUREMENTS 



3 Direct Observations 



8 Electric Potential Measurements 



10 SEA WATER TEMPERATURES 



15 SEA ICE GROWTH 



17 TIDAL MEASUREMENTS 



20 CONCLUSIONS 



20 RECOAAMENDATIONS 



21 APPENDIX: SURFACE CURRENT AND VELOCITY PROFILE DATA 

 25 REFERENCES 



ILLUSTRATIONS 



page figure 



3 ^ Location of current stations, 1 August 1954, in the Eastern Bering Strait 



5 2 Average hourly current velocities from profile measurements, 1 August 1954 



6 3 Average hourly wind speed and tide range, 1 August 1954, Wales, Alaska 



7 4 Cross-section along east-west measurement line from Wales, Alaska 



7 5 Average northerly water transport through a 25-mile section of the 



Eastern Bering Strait, 1 August 1954 



8 6 Schematic of land and sea electrode systems 



9 7 Relation between water transport and potential values from sea electrode system 



11 8 A, SB Sample records showing signal voltages vs time 



12 9A-9C Relation between accumulated degree days below 32°F and potential measured between 



lond silver/silver chloride electrode and earth ground 



13 10 Average monthly volume transport through a 25-mile sector of the 



Eastern Bering Strait, June 1953 to November 1955 



13 11 Average monthly sea water temperature, Bering Strait, Wales, Alaska, 



October 1953 to November 1955 



14 12 Daily bottom sea water temperatures, October 1953 



through October 1955, Bering Strait, Wales, Alaska 

 Comparison of polar pack boundary, early September 1953, 1954, 1955 

 January ice conditions. Eastern Bering Strait 



Observed sea ice growth at Wales, Alaska, for 1952-1953 and 1953-1954 

 Comparison of ice thickness and accumulated degree days below 29°F for Wales, Alaska 

 Offshore tide recording station, Wales, Alaska 

 Tide graph and tables for Wales, Alaska, 18 July 1954 through 18 September 1954 



TABLES 



page table 



21 1 Surface current observations. Eastern Bering Strait, 1 August 1954 



22-24 2 Summary of current velocity profile measurements. Eastern Bering Strait, 1 August 1954 



17 3 Summary of monthly degree days below 29°F ot Wales, Alaska, for 1952-53 



and 1953-54 ice seasons 



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