Research on meteorological early warning of geohazards: A case study of Badong county, Hubei Province

Rainfall is one of the most important factors causing geohazards, such as rock fall, landslide and debris flow et.cl. In this paper, the research basing on the geohazards monitoring data and meteorological data, the author chose 274 geohazards, and found 209 geohazards had relationship with the rainfall (76.3 %). The author chose 61 geohazards from 209 geohazards, and analyzed correlations between the geohazards monitoring data and the rainfall to get the critical rainfall and effective rainfall. Base on the analysis, the author built the model of meteorological early warning of geohazards and finished the map of meteorological early warning of geohazards. This paper provided scientific evidences for the government in the meteorological early warning of geohazards.