地质灾害易发性评价中的指标量化方法研究

The research of the method of index quantification about evaluation of geological hazard probability of occurrence

在建立评价指标体系的基础上,划分了绵阳市地质易发性评价指标等级基准值,并采用4 km×4 km网格来划分评价单元,使评价指标量化问题简单化,从而用简单易懂、便于实际操作的方法分别确定了基础指标层中的各评价指标的量化方法,为地质灾害易发性评价模型的建立奠定了基础。

Based on establishing system of evaluation index, the text marks off hierarchic standard value of index system of evaluation of geolog- ical hazard probability of occurrence and evaluation unitin of 4 km ~ 4 km about Mianyang City. In this way, the problem of method of index quantification go into simpleness. In order to establishing model of valuation of geological hazard probability of occurrence, the text finally uses pellucid and wieldy methods to quantize evaluation indexes.