639 
programs for soil mapping and estimation of soil 
capabilities in the fields of agriculture and forestry; 
programs for producing vegetation, land cover and land use 
maps from aerial photography and satellite imagery; 
programs for surveying crop conditions, disease and pest 
dynamics; forest conditions including depletion, restocking, 
and regeneration, monitoring of forest and savannah fires, 
using aerial surveys and satellite imagery combined with 
appropriate field data; 
techniques for filling in by various estimation procedures 
missing data specifically for each field and, where 
applicable, by combining data from various fields, in 
particular programs for estimating precipitation data from 
satellite imagery; 
programs for statistical processing of the data into 
information including time and space series analysis and 
synthesis ; 
programs for relating various components of the hydrologic 
cycle using models of various time increments and space 
elements, for various hydrological and meteorological 
applications ; 
programs for producing graphical displays from digital data 
(e.g. hydrographs, maps) or from combined digital and 
photographic data and vice versa.