43 



SAL. 34.04 

 DEN. ?ii}.n 



SAL.34.05 



GROWLERS FROM fc.45 



BERG 



^» ^c'^ff' 



6.45* 



<o.5 



DEN.^fc.82y 6.55 y. 



SAL.34.Z4 



DEN. ^6.8 



SAL. 34.13 

 DEN.Z(,.76 





YARDS 

 100 ZOO 300 400 500 



fAL. 34.13 

 DEN.Z.fe.75 



SAL. 34.0^ 

 DEN. Z6.7^ 



34.11 

 Z6.«5 



APPROXIMATE 

 SCALE. 



•ta\ •' WEATHER PARTLY CLOUDY, 



jf' LIGHT SOUTH AIRS, AIR ^"C, 



/: SEA SMOOTH. 



^•0 *-. \,^M0DOC TOOK STATION 1110 

 7.r-«'N^ HERE WHILE BOAT PULLED 

 ABOUT BERG.y 



SURFACE CONDITIONS 

 NEAR A BERG 75 FEET HIGH 

 AND 175 FEET SQUARE. 

 4 P.AA. MARCH ^1, 1^30. 

 BERG AT 4r43'N.4rorW. 



Figure 30.— The above chart shows surface temperature, salinity, and density prevailing in the 

 vicinity of a large berg that was drifting northeast along the temperature wall. The observations 

 were made from a small boat on March 21, 1930, when the berg was at 42° 43' N., 43° 07' W. For 

 drift track of berg and the general regional isothermic conditions see Figure 4. Thermometer used 

 in boat was graduated to tenths of a degree centrigrade. Seven miles west of berg the surface 

 temperature was 5.2° C. Seven miles east of berg the surface temperature was 14° C. On March 

 22 the berg was on the border line between 4.4° C. and 14.4° C. surface water. The berg moved 70 

 miles northeast, true, between noon on the 21st and noon on the 22d 



