O-DECIBAR SURFACE 
REFERENCE LEVEL 2500 DECIBARS 
SEE 250-DECIBAR SURFACE 
FOR VELOCITY SCALE 
250 - DECIBAR SURFACE 
REFERENCE LEVEL 2500 DECIBARS 
NO°w 
DISTANCE BETWEEN 
CONTOURS 
26 30 38 5I 76 15 
CURRENT VELOCITY (Kn.) 
A 72% 
106° Ww 
FIGURE 16. DYNAMIC TOPOGRAPHIES, AMUNDSEN SEA AREA 
(0- and 250-DECIBAR SURFACES) 
i) 
