FIG. 5: Water proof package of FIG. 6 : Spectral reflectance
two EXOTECH for factor measurement
radiometric sea truth of sea water
direct light (sun days) cut meadow or
> diffuse light (claudy days) 0.5 m high grass or
S 2 |!m high wheat.
NS
2m >
1m
_L om
FIG.7: Sketch of a goniometric facility for field measurements under controlled conditions