若尔盖盆地流动沙丘治理前后表层沉积物粒度变化特征
孟惠聪, 胡光印, 董治宝, 南维鸽, 莫皓焜, 胡菁菁

Characteristics of grain size variation of dunes surface sediments before and after wandering dune control in Zoige Basin, China
Huicong Meng, Guangyin Hu, Zhibao Dong, Weige Nan, Haokun Mo, Jingjing Hu
图2 采样点地表情况:(A)治理后的固定沙丘,即MQSQ1,拍摄于2023年3月;(B)治理前的流动沙丘,即MQSQ1(Q),拍摄于2012年7月;(C)沙丘表层现状;(D)单个沙丘采样位置示意图
Fig.2 The surface condition of the sampling point. (A) Fixed dunes after combating desertification, namely MQSQ1, photographed in March 2023; (B) Wandering dunes before combating desertification, namely MQSQ1(Q),photographed in July 2012; (C) Present situation of sand dune surface; (D) Schematic drawing of sampling position of single dune