33 
8. NOAA vegetation index (NDVI) data 
base 
West Africa 
(as B.3); August- 
November 1988, 89, 
90 
65 Mb 
Ten-day composite vegetation 
index data derived from NOAA AVHRR 
HRPT data from Maspalomas, Spain 
total (October 90) 
1,565 Mb 
Note: 
- all ARTEMIS databases are in a common geographic format 
(Hammer Aitoff equal area projection) and have a spatial 
resolution of 7.6 km. NDVI data based on HRPT data have 
a resolution of 1.1 km. 
- Databases B.l-7 expand every month with approximately 
72 Mb total