6 Wavelet Analysis of SAR Images in the Marginal Ice Zone
(a)
(b)
c
1500 '---~tv---'---.----r----'---.----r----'---.--~
::::~
I ( \ N h' j f\
1200
r ~
(/)
Q)
gl100
'"\1
2!
IJ
Q)
~ 1000
'0
E 900
::J
(/) aoo
700
600
If
500 L-~~~~--~--~--~--~--~--~L---~~
10
20
30
40
50
60
70
af
Index number of closed contours for day 24
90
Fig.10. a-c. Wavelet transform results with median scale for a day 21 and b day 24, 1992, with index
for each closed contour, and c sum of difference to contour 16 on day 21 as a function of the index
number of the closed pattern from day 24
123