Geographical Information System (GIS) Technology in Global Environmental Evaluation—An Overview

by Robert C. Lozar, Construction Engineering Research, Lab, Champaign, United States,

Document Type: Proceeding Paper

Part of: Engineering, Construction, and Operations in Space III


The Land Analysis Team at the Construction Engineering Laboratory is enhancing the GRASS software package to deal with global environmental questions. CERL has implemented the basic software, developed the most comprehensive digital environmental data set in existence in one format (portions of which are available on CD-ROM), and carried out several global analyses which integrate satellite data with other data types. The video tape 'Global Data and the Animation of Vegetation Production' shows how this integration can be accomplished. In addition, this paper outlines some future potentials in the area of global environmental modeling and defines the general nature of the needs and research possible. Support for these efforts are materializing, so GRASS is likely to mature and expand its global modeling capabilities.

Subject Headings: Geographic information systems | Information systems | Information Technology (IT) | Environmental issues | Construction engineering | Imaging techniques | Land surveys | Computer software

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