4 Extraction of Intermediate Scale Sea Ice Deformation Parameters from SAR Ice Motion Products
87
Sea Ice Con.ergence/Di.ergence .s. Time and Latitude Near SIMI Ice Camp
U.llilu 780,-----,-----,-----,-----,
773 +----+----+----+-----l
76.6 +----+----+----+-----l
759+----+----+----+-----l
752+----+----+----+-----l
745+----+- --+---+-_ _ -1
73.8+----!-- --+----1 _ _ __I
730+----+----+----+-----l
72 .3 +----+----+----+-----l
7154-----1-----~----~----~
32
35
38
41
44
Juhlin Dale' in 1<)<)4
Divcrgence
Cunvergcnce
l;tltludc(D)
78U,-----r----~---,r----r----,
773+----+----~--_4----~--~
75~~---+--~--+---+--__I
74 .5+---.j--~I----+--+----l
73~~---+--+---+---+----1
730~---+--+---+--4
71 '~~r---i--~--~~"~~--l
Juli"n D'llc' in 1')<)4
Divergence
C'lnvc.:r~cncc
8
6
4 2 o ·2
, J
Fig. 12. Sea ice convergence/divergence as a function of time and latitude around the SIMI (Sea Ice
Mechanics Initiative) camp site between January and March, 1994
Laltlu 780
77.3
766
75.9
752
745
738
73,0
723
715
32
Sea Ice Shear .s. Time and Latitude Near SIMI Ice Camp
Laliludc(°)
("
II
\
~
35
38
41
Julai" Dillc, in 1')')4
• he",
I
"'
44
78.0
77 .3
76,6
75 ,9
752
74.5
73.8
730
723
71 .5
56
59
62
65
Julian Dale' ill 1')<)4
She,,,
68
005 0.1 015 02 025 03
005
01
015
0.2
r
}
71
Fig. 13. Sea ice shear as a function of time and latitude around the SIMI camp site between January
and March, 1994