平凉市纸坊沟流域45年降水变化特征初步分析

Preliminary Analysis on the Precipitation Variation Characteristic of Zhifanggou Watershed of Pingling City in 45 Years

利用地处黄土高原沟壑区、泾河一级支沟纸坊沟水文站45年的降水量资料,对其年内及年际变化、频率特征做了初步的分析和评价,为该区雨养农业生产中降水资源利用和规划提供科学依据。

Using the 45-years＇ precipitation data of Zhifanggou hydrology station located in the Loess Plateau hilly area to primarily analyze and appraise the annual change, inter-annual variation, and frequency, which provides scientific basis for dryfarming and rainwater utilization in the area.