Spatial-Temporal Three-Dimensional GIS Modeling

In this paper, we present the summarized results of investigations that concern the construction of geographic information systems (GISs) for modeling purposes to enable the spatial-temporal analysis and qualitative assessment of situations. Due to the strengthening of requirements for the control of geodynamic characteristics, which is due to a marked decline in the environment and industrial safety (first and foremost, for objects of especial importance), modeling information systems are created that allow one not only to trace but also to predict the development of a situation using visual models. Global trends in the development of three-dimensional (3D) modeling of the geoinformation systems used in Earth sciences are considered. As basic technologies, we selected information technologies of network-based analytical GISs, the distributed computing technology, the technology for visual 3D modeling, and Internet technology. As an example of using the proposed modeling method, we cite the results of investigating objects of increased technogenic and ecological hazards in the Transbaikal sector of the Mongol-Okhotsk mobile belt.