青藏高原腹地各拉丹冬南北坡多年冻土考察初步结果
|
Preliminary results of permafrost investigation on northern and southern slopes of Mt. Geladandong, interior Qinghai-Tibet Plateau
|
图4. 扎加藏布源区的典型钻孔岩心 |
Fig. 4. Typical drilling cores in source area of the Zhaga Zangbo River from different boreholes: red clay, black weathered coal seam and segregated ice in Borehole SLC03 (a), segregated ice in red clay layer (b) and a thick layer of red clay in Borehole SLC04 (c) |
![]() |