A TELEGEOMATICS-BASED ENVIRONMENTAL SURVEY AND INFORMATION SERVICE SYSTEM

Abstract

In the last three decades, GIS, in terms of both its theory and methodology, has been going rapidly towards its maturity from its very infancy. Nowadays, the most fundamental task of GIS is extending its application in different fields. In retrospection, we can find that the most attention has been paid to development planning forecast, and subsequent evaluation and reflection. But few researches have been done on real-time or near real-time monitoring and decision-making, which is a very important field deserving more attention. To perform real-time monitoring and decision-making, support from telecommunication technology is needed. In fact, only through the integration of GIS and telecommunication technology, could real-time monitoring be enabled. In this paper, we argue that a promising direction in GIS applications is the integration of GIS and telecommunication. Then the concept of Telegeomatics is presented, and its basic structural characteristics analyzed. The core of Telegeomatics is the integration of GIS and telecommunication, which will availably resolve the problem of obtainment and policy-making support for the real-time and near real-time spatial information. 1) In the case study, a real-time multi-factor environmental monitoring and information service system of Beijing is constructed. Through this research, we found that: 1) it is an effective way to integrate GIS, telecommunication and EO for real-time environment monitoring; 2) GIS is fundamental to the development of the proposed system; 3) The bottleneck of the proposed system is the development of Internet infrastructure, especially the development of IPV6. This indicates that it is urgent to develop IP infrastructure in order to further promote the development of the proposed system. 1.

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