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)