Vl(55)-Vl(0) Vl(55)-Vl(0)
Figure 5: Differences between vegetation index values (Simplified TSAVI)
at 55 degrees and nadir view angles, for ATSR-2 data.
S-TSAVI ; Sun = 45 ; View= 0 & 55 ; Az = 90
0.12
0.1
0.08
0.06
0.04
0.02
LAI = 0.5 X
LAI = 1
. X
Leaf angle = 65
LAI = 0.1
Ü
X
55
X
25»
LAI = 2
X
0.4 0.6
1-exp(-K*LAI)
X Clay + Sand
• Peat
LAI = 4 & 8
f
• s
%ri
Figure 5a:
Dependence on canopy cover for different canopy geometry
S-TSAVI ; Sun= 45 ; View= 0 & 55 ; Az= 90
Clay & Sand soils
— - o-
LAI = 0.1
A- -
- LAI = 0.5
—c-
— LAI= 1
X-
— LAI= 2
X—
LAI = 4
— LAI = 8
Figure 5b:
Dependence on canopy leaf angle and Leaf Area Index (LAI)
