Research of Lanzhou City Geological Disaster Mass Observation and Mass Prevention Informationization based on WebGIS
2011
Mass observation and mass prevention is the main technology of geological disaster mitigation in china.Utilizing network technology,communication technology and WebGIS technology to establish Lanzhou city geological disaster mass observation and mass prevention informationization system.This system is a significant method of scientific forecasting and early warning of geological disasters and mitigating the hazard of geological disaster.It consists of uploading data module,analyzing disaster information module,publishing disaster information module and browsing disaster information module.Adopting three-tier distributed architecture,namely,application tier,business tier and data tier as the system framework.System model library include the spatial prediction module of geological hazards and time prediction model of geological hazards.The relational database,SQL Server2005,is the backend database.Complete the development of the system by.NET platform.Running results show that the system is stable and can effectively service for all levels of users of the geological disaster mass observation and mass prevention system.
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