SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 70. NUMBER 4 



Ibobof^ins jfunb 



TEMPERATURE VARIATIONS IN THE 



NORTH ATLANTIC OCEAN AND 



IN THE ATMOSPHERE 



INTRODUCTORY STUDIES ON THE CAUSE OF 

 CLIMATOLOGICAL VARIATIONS 



(With Forty-eight Plates) 



BY 

 BJORN HELLAND-HANSEN AND FRIDTJOF NANSEN 





(Publication 2537) 



CITY OF WASHINGTON 

 PUBLISHED BY THE SMITHSONIAN INSTITUTION 

 1920 



