Abstract
Abstract As geo-hazard monitoring data increases in category and size, conventional geo-hazard information management systems, without a unified integration framework and visualized data display, are unable to satisfy the urgent needs of geo-hazard information management. Representational State Transfer (REST), a resource-centered service architecture, abstracts data and services into resources for unified Uniform Resource Identifier access, enabling it to take full advantage of HTTP with great flexibility and scalability. Based on the REST service architecture, this paper constructs a 3D geo-hazard monitoring and early warning platform with sound service compatibility and scalability by integrating geographical information, real-time monitoring data, and early warning models into the 3D Digital Earth framework. The platform displays topography, stratum lithology, and relevant information, as well as real-time monitoring data in a 3D visual, and provides early warning services for geo-hazards through access to real-time early warning models. As a result, it is capable of providing comprehensive information management, monitoring, and early warning of multiple geo-hazards, aiding decision-making in disaster prevention and mitigation, and enhancing the information level of geo-hazard prevention and mitigation work.
Highlights
Geo-hazards are diversified, widespread, frequent, intense, and highly destructive in China, making it one of the countries most seriously affected by geo-hazards in the world
The stereo perception of terrain in the 3D Geographic Information System (GIS) platform should be realized by integrating Digital Elevation Model (DEM) with Digital Orthophoto Map (DOM)
Geo-hazard monitoring data is stored in the database and released through the business logic layer according to the rules and style of Representational State Transfer (REST)
Summary
Geo-hazards are diversified, widespread, frequent, intense, and highly destructive in China, making it one of the countries most seriously affected by geo-hazards in the world. Developed in component development pattern, the 3D geo-hazard monitoring and early warning platform are oriented to the frequent geological disasters in the complex mountainous areas in southwest China, targeted at the emerging needs and development trends of comprehensive management and real-time early warning from geo-hazard monitoring data. By combining with REST that has good scalability and extensibility, the platform can reasonably and effectively organize, manage, and integrate various geo-hazard monitoring data to achieve multi-source data fusion, access to a variety of warning models to realize multi-level chain early warning and release, and build a data visualization based on the 3D Digital Earth, to carry out fine monitoring and early warning of geological disasters in complex mountainous areas. The platform is universally applicable, reliable, open, scalable, and interoperable, and is significant for improving the functions of the geo-hazard information management system, increasing its efficiency and data sharing
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