tation and soil 
ot compromised 
h using | FIGURE CAPTIONS 
. (1978) to T 
surface 
Figure 1 : A generalized reflected radiance spectrum of Douglas fir trees. 
variations Figure 2 : Plot of Differenced Vegetation Index (Richardson and Wiegand, 1977) 
ested by a across a 4.5 km by swath (80 x 1 pixels) of gneissic and mafic 
e anomalous terrane (from Stone, 1982). 
Figure 3 : Reflectance spectra of selected rocks (after Rowan et al., 1974), 
Figure 4 : Plot of Soil Brightness Index (Kauth and Thomas, 1976) across a 
| 4.5 km swath (80 x 1 pixels) of gneissic and mafic terrane (from 
nacea and must Stone, 1982). 
terrains are - 
on rain Figure 5 : Plot of Vegetation Index (Tucker, 1979) across a 4.5 km swath 
ectly to the (80 x 1 pixels) of gneissic and mafic terranes (from Stone, 1982). 
y, therefore, 
he bedrock Figure 6 : Plot of the ratio Vegetation Indes/Soil Brightness Index across a 
metal stress. 4.5 km swath (80 x 1 pixels) of gneissic and mafic terranes (from 
le in nutrient Stone, 1982). 
In these 
promising. 
different | 
auses of the 
ical stress is 
rogram. 
stress, 
orption in 
1) centered in 
d be most 
iematic Mapper. 
lat. 850, 
is where a 
nouth College 
jectral scanner 
The remote 
] by NASA 
ird Institute 
tted from the 
ISS. The major 
is by THOMAS