Application of cluster aggregation analysis to the synthetic regionalization of the geological disasters

As a major kind of natural hazards, geological disasters have become the world problem. The synthetic regionalization of geological disasters has been put forward as an important subject for academic circles. According to the theory of fuzzy cluster aggregation analysis methods, this article discusses the comprehensive index, establishes a regionalization model of the geological disasters that is based on the amalgamation method with many data resources and analyzes the situation of the geological disasters in Tongchuan district quantitatively. Finally, the cluster atlas with three disaster areas, i.e, extremely serious disaster area, serious disaster area, middle disaster area were derived by the calculation method of fuzzy cluster aggregation. The results are almost consistent with the actual disasters.This paper shows the model of fuzzy cluster aggregation analysis can analyze the synthetic regionalization of the geological disasters quantitatively.