500-DECIBAR SURFACE 
REFERENCE LEVEL 2500 DECIBARS 
DISTANCE BETWEEN 
eerie CONTOURS 
26 30 38 51 76 15 
CURRENT VELOCITY (Kn) 
?2e5 
i] ois 
O6ey, 
1000-DECIBAR SURFACE 
REFERENCE LEVEL 2500 DECIBARS 
DISTANCE BETWEEN 
Sar || CONTOURS 
AZ 9 3 
O6ey, 
ll .38 76 
CURRENT VELOCITY (Kn) 
7 
| e°s 
FIGURE 17. DYNAMIC TOPOGRAPHIES, AMUNDSEN SEA AREA 
(500- and 1000-DECIBAR SURFACES) 
30 
