Debris flow and Karst collapse are the main parts of geological disasters in Anshan,which have affected on the construction and development of the social economy of Anshan.In order to enhance the studies of rules of disaster and give scientific estimation and alarm ahead of schedule warning,we established the warning system of Anshan and investigated the corresponding software,which are based on the deep discussions about the crisis estimation and methods of prediction of disasters.In this paper,the foundation of model used in estimating the alarm ahead of schedule for disaster and the methods of appraisal for the alarm ahead of schedule are discussed.This system for warning and evaluating is the combination of the models of warning and GIS flat roof,with so many virtues,such as complete functions,convenience,applicability,which has considered the output of data,analyses of space,chooses of model,output of production,report of information for warning and the statements and help of system.
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