CONTENTS. 



Page 



Introduction t 



Bank -Water 9 



The Spitsbergen Atlantic Current 10 



The Water of the Spitsbergen Fjords, and the Coast Water 21 



The Deep -Water of the North Polar Basin 37 



The Deep -Water of the Norwegian Sea 39 



Current Measurements 41 



Current Measurements at Stat. 41, on August i8th and i9th, 1912 ... 49 

 Computation of the Velocities of the Currents in the Region between Stats. 



41 and 40, by means of Dynamic Sections 66 



Current Measurements on August 4th and 5th 69 



Computation of the Velocities of the Currents at Stats. 18 to 22 .... 73 



Dynamic Current Charts 76 



Vertical Oscillations of the Water Strata 80 



The Tidal Wave in the North Polar Basin 83 



Ice-Pressures and the Tidal Wave 86 



The Extension and Shape of the North Polar Basin 92 



Investigations on the Amount of Oxygen in the Spitsbergen Waters 99 



Some Observations of the Hydrogen Ion Concentration in the Northern Sea -Water . 105 



Table I. Temperature, Salinity, and Density of the Sea-Water 107 



Table II. Current-Measurements 118 



Table III. Measurements of the Oxygen in the Sea -Water 127 



Table IV. Measurements of the Hydrogen Ion Concentration of the Sea -Water . . 129 



Literature 131 



