雅鲁藏布江山南宽谷段爬坡沙丘表层沉积物特征
董苗, 严平, 王晓旭, 张国明, 孟小楠, 纪欣然, 王勇

Characteristics of surface sediments on the climbing dunes in Shannan wide valley section of Yarlung Tsangpo River, China
Miao Dong, Ping Yan, Xiaoxu Wang, Guoming Zhang, Xiaonan Meng, Xinran Ji, Yong Wang
表3 朗赛岭爬坡沙丘沉积物的化学风化指标
Table 3 The chemical weathering index of climbing dunes sediments at Langsailing
地貌部位Na/KRb/Sr淋溶系数风化淋溶指数残积指数CIAICVCPA
河漫滩1.290.637.100.781.7756.081.0684.82
阶地1.210.698.950.711.7756.160.9883.73
迎风坡1.250.759.710.651.9355.820.1082.90
背风坡1.220.7710.250.631.9056.180.9482.87
平均值1.250.739.400.671.9055.891.0083.17
UCC1.030.324.820.901.4748.001.5070.32
PAAS0.290.807.480.443.1170.400.8090.54