90 MARION AISTD GENERAL GREENE EXPEDITIONS 



70 70 60 50 40 30 



il I I I I I I 



60 50 



Figure 53. — Salinity at surface July 19-Septenibor 11, J928. 



HORIZOJsTAL DISTRIBUTION OF TEMPERATURE AND SALINITY 



The distribution of temperature and salinity in the upper 600 

 meters of the American sector is best shown on the maps for Davis 

 Strait and the Labrador Sea (figs. 52 to 61). 



The coldest area on the sea surface lay over the Baffin Land shell' 

 and slope, where temperatures as low as 0° C, were found in August. 



