NDVI anomaly in Africa for August 1984, based off data collected over the 1981-2000 time frame. Note: Africa NDVI 1984 August Anomaly. Green is more vegetation than average, brown is a deficit of vegetation with respect to the average. Animator: Tom Bridgman (GST). Scientist: Robert Mahoney (NASA/GSFC). Platforms/Sensors/Data Sets: NOAA/AVHRR/NDVI.