64 A TEXTBOOK OF OCEANOGRAPHY 



and in the Irish Sea a salinity maximum of only 34-2 is reached 

 on the Holyhead-Calf of Man line, and that not until May. 

 This happened in both 1909 and 1910, when we experienced 

 dismal summers with little sunshine and much rain. An early 

 salinity of over 34-4 in December, 1910, indicated a strong 



FIG. ii. SURFACE TEMPERATURE ix THE IRISH SEA ix WINTER 

 (FEBRUARY). 



pulsation of the Gulf Stream drift, this being followed by the 

 magnificent summer of 191 1. 



The connection between oceanic temperature and salinity 

 on the one hand and the climate on the other has also been 

 referred to in the case of Norway and Sweden (p. 190). 



