Colour Plates of Chaps. 16-19
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Colour Plate 17.A. Colour composite of Thematic Mapper band 3 (blue) 4 (red) and 5 (green);
Torre de Abraham irrigation scheme, Spain, August 8'", 1997. Boundaries of individual fields indicated by the overlain map
Colour Plate 17.B. Colour composite of multitemporal images of the Soil Adjusted Vegetation
Index (SAVI) calculated with AVHRR ChI and Ch2 reflectance at 1 km spatial resolution, Aral
Sea Basin 1992: SAVI (April)= red; SAVI (June)= green; SAVI (August)= blue; area is 1568 km
x 1232 km; greenish areas = irrigated lands (courtesy ofN.E. Di Girolamo, NASA, GSFC.\