266
A.J. SEPHTON AND K.C. PARTINGTON
Fig.3. a ERS-1
SAR image from
. . ! ~
the Kara Sea
recorded in
~
I ~~~'~~
March, 1994.
b Classification of
l t ~ ~ L ~p
data shown in a
into multiyear ice
- .,
(green), first-year
~ 2 ~
- • !
ice (light blue),
i
In
open water (dark
~~
• I f
blue), and land
-8
! .
(manually classi~~ ~ I·
fied in yellow).
S
~~~Il
Jd
c Total ice concen~
ij~~~
i .. =
tration map
~!"~I
il!
derived from data
Ir
HJI
~ l;
in b. (ERS-1 image
~
1 Jh[
copyright ESA
1994)
~ Uh
Ii:
Il
~
~