Professional Paper 1386–A
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Figure 8.—Passive-microwave-derived monthly mean snow map of South America for July 1991, based on the Chang and others (1987) Special Sensor Microwave/Imager (SSM/I) algorithm. Snow-water equivalent is shown on the maps in various shades of grey from 0 to 150 mm. Map courtesy of James L. Foster, NASA/Goddard Space Flight Center.