FuaiKE '.V.i. — Salinity (list ril)ut ion alonp; meridional section at 48°30' W'., from 

 (lala eollected 2 7 Ajtril 1 !)(;(). 



'I'lic (Iviiainic lopotiraphy of tlic sea sui-facc shown in fi(;'ur(> 24 is 

 retVrrcd lo the 1 ,()()()-<l('cil)ar surface. \Vliil(> this reference surface is 

 satisfactory for studies of the l.ahrador ( 'luicnt in the Grand Banks 

 re^i'ion, the motionless surface beneath the Atlantic ( 'urrent is more 

 lU'ar'lx' the 2,0()()-(h'cihar surface and this (h'cper surface was us(>d for 

 icference in studying the \-elocily (hslrihution and vohnne and heat 

 li'ansports of the Atlaiit ic ( 'urrent at the sect ion located along 50° 15' 

 \\ . Kigure 24 is still useful in showine- | he current |)at lei'ii even thougli 

 the ahsalute velocities are in error. 



Figure ;;() is a schema t ic re])resentat ion of the hands of the Labrador 

 and Atlantic ("urrents as they usually are found crossing a section 

 along this meridian and is |)i-eseiite(l here lo facilitate a discussion of 

 the lOdO occupation of the section in comparison with the earlier 

 occupations. .Vn important part of the Atlantic ( 'mrent crosses the 

 section as A in figure ;!(). Some of A I'ecurves toward Bermuda iis B, 

 some recurves nort hw cstwai'd as 1) and son)e continues to the east- 

 ward as C. D again recurves to the eastward after being joined by a 



54 



