Is GIS appropriate technology
نویسنده
چکیده
Department of geography, Pennsylvania State University. University Park, Pennsylvania 16802. USA Abstract. Appropriate technology(AT) has become an integral part if the programmes for decentralized regional development in the third world appropriate techniques are usually low in capital coststhey can be maintained without a high level of expertise, and they do not involve patents, expensive copyrights and royalties. By these criteria a commercial geographical information system(GIS) is not an appropriate technology to be used in decentralized development. However, the use of local renewable resources involves the adoption of end-use analysis for matching end – uses to specific sources so as to minimize the consumption of material and energy ( i.e. minimize entropy ). This matching requires an inverse increase in information which leads to what may be called the information-entropy trade-?; minimization of entropy requires an inverse increase in information. In this respect computers and GIS have an important contribution to make to decentralized regional planning. Drawing on a case study in Sri Lanka, this paper presents some ideas on how to incorporate GIS into local-level planning information systems.
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