V - 



PETTERSSON - INTRODUCTORY 



way, the presence of Atlantic water has been ascertained on the Greenland coastal 

 banks ' under the ice-bearing Polar Stream at a depth of 200 — 300 m, and even in 

 the ice-covered Polar Basin to the north of the Siberian Islands 2. The most 

 important offshoots of the warm Atlantic Stream of the Norwegian Sea, are those 



Jan Maya 



Lofoten 



Jan Mayen - Bodo 



8- 11 Aiié-lSOU. 



Fig- .1 



which enter the Barents Sea as nnder-cnrrents 

 northwards along the coastals banks of Bear 

 Island and Spitzbergen and south of Bear Island \ 

 It is a general character of all these oceanic under- 

 currents — which can be explained on hydrodyna- 

 mical grounds — that they always flow over the 

 deepest depressions and channels of the sea-bottom. 



Fig. 4 



LeUand-BiT^cn 

 S-HJaiLWOa 



I C. Ryder och K. Rordam, Hydrografiska undersögelser utförda pâ den östgröulandske expedi- 

 tion. iSgi och 1892. 



= F. Nansen, The Norwegian North Polar Expedition 1S93— 96. Scientific Results. Vol. III. 

 J ly. Breittuss, Petermann. Mittheilungen. 1904. Heft II. 



S 



