The functionality of distributed analytical network systems GIS Geographic Information Systems GeoProcessor 2.0, GeoTime II and COMPASS V and elements of geoinformation technology of their use in scientific and applied research are analyzed. At the time of the analysis these systems can download data and plug-ins, distributed either in telecommunication systems or on a user's PC. The article is illustrated by examples of GIS applications for analysis of spatial and spatio-temporal data. The GIS discussed here represent a significant part of the analytical resources of geoinformation environment, elaborated in the framework of the Russian Academy of Sciences RAS Presidium Programme "Electronic Earth''.
distributed analytical network systems, GIS technologies, "Electronic Earth'' programme.
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