The climate characteristics of water resources in north china are analyzed by eof method and gaoqiao equation using monthly precipitation and monthly mean air temperature data of 27 stations in north china from 1951 - 1995 利用华北地区27个台站1951 - 1995年月平均气温及月降水总量资料，用eof分析方法及高桥浩一郎公式计算并分析了华北地区水资源的气候特征。
