2.0 



20 22 23 24 



i — i — r 



25 26 28 29 31 



i — i — i — i — i — i — r 



32 34 35 37 



— i — i — i — i — i — r 



J I I I I L 



J_J I I L 



30° 32° 34° 36° 



38° 40° 42° 



NORTH LATITUDE 



44° 



46° 



48° 



50" 



Figure 106. --Smoothed geopotential anomaly of the isobaric surfaces 

 in dynamic meters relative to the 1,000-db. surface, neglecting 

 pressure terms in the specific volume anomaly, along the 180th 

 meridian; Hugh M. Smith cruise 30 (NORPAC), stations 20-37, 

 July-August 1955. Points represent computed values. 



94 



