SP-399 SKYLAB EREP Investigations Summary

 

FIGURE 2-1.

FIGURE 2-1.-S193A color-infrared photographs showing seasonal differences in vegetation for the San Juan Mountains of southwestern Colorado. This type of seasonal scene variation in vegetative condition was significant in data interpretation for many Skylab investigations. (a) Photograph taken in June 1973 (SL2-09-17). The area shown in blue tones indicates the general absence of green vegetation. (b) Photograph taken in August 1973 (SL3-21-331). The areas shown in several different red hues indicate healthy vegetation.

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