Compared with the curve of rainfall in the almost 50 years , it can be deduced that CARM/C can be used as indirect pooxies for rainfall.

• 同时通过与流域降水量曲线的比较,认为库区沉积物受降水量影响显著,cARM/c可作为反映流域降水量变化的一个间接指标。