Development And Realization Of GIS-based Activated Carbon Radon Adsorption Database Visualization Management System

Activated carbon radon adsorption is a type of static and radioactive cumulative radon measurement method which is widely used in the field of geophysical exploration. This method is simple with high sensitivity, strong anti-jamming and low implementation costs. Therefore it is very suitable for field exploration, especially in mineral (for example uranium) exploration, detection of coal mining area and gob fire zone.However, in actual radon measurement, the process of data acquisition and management relies on handwork, and data storage is in text file and independent stand-alone database file, which makes data security and stability be turbulent. When the number of measurement points and measurement periods are longer, it is not easy for finding and modifying data. Therefore, the establishment of management system with unified, standardized, visualization, automotivetask and sharing abilityis imperative.In this paper, taking activatedcarbonradonadsorption in innerMongolia wulanchabu as the background, the visualization management system has been established based on B/S and C/S mixed mode with ArcGIS platform, which realizes the entry, edit and management of radon measurementdynamically at the same time by multi-users. On the basis of this system, the different periods of data can be real-time called and analyzed, besides, the "pathological value" can be detected automatically and for data processing, the sliding recursive average filter method could be studied. At the same time, the automotive tool of contour map based on C/S mode with Arc Engine platform will be designed and developed, which makes the determination of underground location more accurate with the supplement of fire zone trends and migration process.Researchers in this field can determine the distribution, trends and migration process of underground coal gasification zone timely based on data management, analysis and automatic mapping function supplied by this system. This will provide comprehensive and scientific data to industrialized operation of underground coal gasification in this area, which has great technical meaning and significance for long-term underground coal gasification commercializationin radon measurement.