Rainfall Characteristics Analyses on landslide in Jiangxi Province

The landslide is the most serious geological disaster and the most serious natural disaster and next to the disasters of flood and drought in Jiangxi province. Rainfall and human activities are of the very important triggering factors of the landslide relating to geological condition. The data of landslide and rainfall from 1970 are analyzed and the relation between the landslide and rainfall are studied. The result shows the occurrence of landslide is closely related with rainfall in 3 days, and the total rainfall in a process and its duration. A mathematic statistical model in which daily combined rainfall is used to predict the occurrence of landslide is developed and the applicational tests indicated good effect of the application of the model to 3 serious landslide events in 2002 in Jiangxi province.

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