半个世纪以来黄土高原降水的时空变化
卢爱刚
Spatial and temporal precipitation variation on the Loess Plateau in the past half century
LU Aigang
生态环境学报 . 2009, (3): 957 -959 .  DOI: 10.16258/j.cnki.1674-5906(2009)03-0957-03