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On the basis of in situ investigation and deformation monitoring of the Jijia Riverlandslide (JJRL), the rigid body limit equilibrium method and finite element method (FEM)were used to analyze the stability of the JJRL; the grey system theory method was appliedto forecast the deformation trend of the JJRL; and the information system about the landslidedeformation and monitoring, and forecasting systems based on the platform of theWeb Geographical Information System (WebGIS) were developed, which can be used toanalyze in situ monitoring data and predict the deformation of the landslide.The study resultscan be summarized as follows: ① the JJRL is stable as a whole; the water contentin the landslide has a great effect on its stability; ② the developed Web Geographical InformationSystem has realized many functions, including inputting, computing, inquiry,analyzing, and the function of forecasting; it has also realized the functions of distancedata management, analysis, and forecasting based on the WebGIS; ③ the informationresource can be shared by the WebGIS developed all over the world.
On the basis of in situ investigation and deformation monitoring of the Jijia Riverlandslide (JJRL), the rigid body limit equilibrium method and finite element method (FEM) were used to analyze the stability of the JJRL; the gray system theory method was applied to forecast the deformation trend of the JJRL; and the information system about the landslidedeformation and monitoring, and forecasting systems based on the platform of theWeb Geographical Information System (WebGIS) were developed, which can be used toanalyze in situ monitoring data and predict the deformation of the landslide The study resultscan be rounded as follows: ① the JJRL is stable as a whole; the water contentin the landslide has a great effect on its stability; ② the developed Web Geographical InformationSystem has realized many functions, including inputting, computing, inquiry, analyzing , and the function of forecasting; it has also realized the functions of distancedata management, analysis, and forecasting based on the WebGIS; ③ the informationresource can be shared by the WebGIS developed all over the world.