Management And Explanation System Of Integrated Geophysical Techniques Data In Geological Hazard Investigation

The aim of this paper is to settle the problem of integrated display and explanation of various geophysical prosecting data in the information project building of the geological hazard investigation. According to the trade criterion and the demand of spatial database building, refering to the special database of geological hazard and old database structure, at the same time, considering the specialty of geophysical prospecting data, the author standardizes twenty kinds of geophysical attribute database and the data code and the structure of data table. Futherly he develops the management module of this database based on its structure. In the development of software system, the author designs a means of basing the GIS tools and develops the display module bases on the Arc View GIS by using VB and VC language. The display module can be used to display the profile of geophysical data, the plane profile, the section, the histogram of borehole and solid figure of 3D data.Thereby, this software system can display and plot the 1D, 2D and 3D figure . In the special analyst module, this system can analyze both vector data and grid data. It can not only analyze the data gets from investigation but also the data gets from other system. Further more it can draw the lines and surface used to geologic explanation easily bases on the result of special analyst. Through the above process, the users will realize the geologic formation clearly. Finally, the demonstration of this system has been build up by using parts of data. The results suggest it has high reliability and releases the uncertainty by using single geophysical techniques.