1.0
Old Snow
Hay
0.5
Bark
Leaves
Gravel
Coal
0
400
600
800
1000
Figure 4. Albedo measurements of the dusted surfaces (March 1994).
100
Fresh
Snow
80
60
40
Hay
Bark
Leaves
20
Sand
Coal
0
400
600
800
1000
Figure 5. Spectral reflectance measurements of fresh snow and the pure materials used on the
test areas shown in Figure 3 (March 1994).
5