20
2
S B = 5.369 + 1646.132/TF
r 2 = 0.777
S D = 1.17
15
10
S w = 34 ‰ (Amundsen and Bellingshausen Seas)
Figure 14. Antarctic first-year sea-ice bulk
salinity vs. floe thickness data of Jeffries
(1994). The upper curve is the regression
5
fit to the data. The lower curve represents
the results using Ryvlin's equation for
0
50
100
150
200
ice grown in 34‰ seawater.
T F , Floe Thickness (cm)
20
0.225 = a
0.270
15
0.350
a = Varied
10
0.475
Figure 15. Ryvlin's equation for calculat-
0.520
a = 0.5
0.550
ing sea-ice bulk salinity vs. floe thickness,
where parameter a is constant (lower curve)
5
and varied (upper curve) to match the re-
gression curve through the Antarctic sea-
0
50
100
150
200
ice data in Figure 14.
TF , Floe Thickness
20
0.6
0.48
S s = 5.60 G R
r 2 = 0.96
16
S D = 0.90
0.4
12
8
0.2
0.49
S R = 0.17 G R
4
r 2 = 0.96
S D = 0.03
Figure 16. Sea-ice stable salinity and the
0
sea-ice seawater salinity ratio vs. growth
0
2
4
6
8
10
12
14
rate.
GR , Growth Rate (cm/day)
9
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