黄河流域水循环要素变化趋势分析
刘昌明, 郑红星,
Trend analysis of hydrological components in the Yellow River basin
LIU Chang-ming, ZHENG Hong-xing
自然资源学报 . 2003, (2): 129 -135 .  DOI: 10.11849/zrzyxb.2003.02.001