MEASURED _._, 2 
a] THICKNESS 2 
= | “COMPUTED 
oe THICKNESS 
=x iO} 
(S) tl 
2 | 
wo H 
wn | 
ny | 
= 6 | 
x 
v 
x= | ff 
- i f BASED ON OCEANOGRAPHIC 
wi f DATA FROM SITE A, 
v 29 SEPTEMBER 1953 
6100 200 300 400 500 600 700 600 900 
DEGREE DAYS OF FROST(°F) 
FIGURE 24. COMPUTED AND OBSERVED ICE-GROWTH 
CURVES FOR OLD ICE 
39 
