Figure 6 : Map of die normalized reflectance, k(), over the study area. The left figure is for 550 nm with a 
reflectance that increases from 0 to 20 % from black to white. The lower figure is for 850 nm and the 
same grey level scale is from 10 to 50%. 
Figure 7: Cumulative histogram of the measurement-model correlation coefficient for 550 nm, 650 nm and 
850 nm. A given point on the curve indicates the percentage of pixels of the 10 x 10 km area with a square 
of the correlation coefficient lower than its abcissae. 
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