Geomatics and Digital Earth
Wang Ranghui Zhang Huizhi(Xinjiang Institute of Ecology and Geography, CAS, Urumqi 830011)
This paper describes the concept and characteristics of geomatics, and emphasizes that Digital Earth is not only the reappearance of real Earth and the integration of abundant information, but also the developmental result of modern science technology, and one of the conceptual models of resources sharing by human beings. Both geomatics and Digital Earth contain the contents of earth system. Moreover, they are based on the RS, GIS, GPS and related technologies. Many problems are put out in knowledge economic times. In order to ensure the implementation of global sustainable development strategy, human beings should study a series of resources and environment problems.
【CateGory Index】： P208