不同地下水位处梭梭(Haloxylon ammodendron)水分来源特征
李宁, 周海, 任珩, 种培芳, 陈国鹏

Water sources of Haloxylon ammodendron under different groundwater depths
Ning Li, Hai Zhou, Heng Ren, Peifang Chong, Guopeng Chen
图1 降水量及降水δ18O值的季节变化。
Fig.1 The distribution of precipitation and the seasonal variation of precipitation δ18O values.