乌玛高速公路腾格里沙漠段防护体系典型断面风沙活动特征
|
缑永涛, 吴永祥, 彭波, 张勇, 孔会平, 赵兴红, 冀鹏举, 李云昊, 何明珠, 邵梅, 谭明亮, 逯军峰
|
Characteristics of aeolian sand activity in typical section of protection system of Wuhai-Maqen Highway (G1816) in Tengger Desert
|
Yongtao Gou, Yongxiang Wu, Bo Peng, Yong Zhang, Huiping Kong, Xinghong Zhao, Pengju Ji, Yunhao Li, Mingzhu He, Mei Shao, Mingliang Tan, Junfeng Lu
|
|
表1 地表沉积物和沙尘样品粒级级配分布与粒度参数特征
|
Table 1 Grain-size parameters of surface sediment and dust samples at different observation sites
|
|
样品 | 极粗沙 | 粗沙 | 中沙 | 细沙 | 极细沙 | 粉沙 | 黏土 | Mz/Φ | σ/Φ | SK | Kg |
---|
观测点1 | 0.25 m | 0.00 | 0.00 | 16.29 | 47.22 | 18.63 | 17.84 | 0.02 | 2.98 | 1.15 | 0.42 | 1.32 | | 0.5 m | 0.00 | 0.00 | 6.85 | 30.73 | 25.45 | 36.74 | 0.23 | 3.63 | 1.36 | 0.27 | 0.93 | | 1 m | 0.00 | 0.05 | 2.76 | 17.47 | 27.10 | 52.28 | 0.35 | 4.12 | 1.36 | 0.11 | 1.05 | | 2 m | 0.00 | 0.00 | 1.07 | 12.33 | 25.84 | 60.16 | 0.61 | 4.37 | 1.34 | 0.12 | 1.14 | | 地表 | 0.00 | 0.08 | 27.85 | 62.11 | 9.96 | 0.00 | 0.00 | 2.32 | 0.52 | 0.01 | 0.94 | 观测点2 | 0.25 m | 0.00 | 0.00 | 10.36 | 37.72 | 23.94 | 27.91 | 0.08 | 3.34 | 1.28 | 0.35 | 0.95 | | 0.5 m | 0.02 | 0.44 | 3.95 | 16.99 | 24.66 | 53.63 | 0.31 | 4.12 | 1.40 | 0.05 | 1.04 | | 1 m | 0.00 | 0.00 | 0.88 | 10.16 | 24.37 | 64.19 | 0.40 | 4.43 | 1.25 | 0.07 | 1.16 | | 2 m | 0.00 | 0.00 | 0.00 | 4.19 | 26.70 | 68.37 | 0.75 | 4.61 | 1.21 | 0.21 | 1.19 | | 地表 | 0.00 | 0.17 | 38.09 | 54.31 | 5.09 | 2.33 | 0.00 | 2.18 | 0.54 | 0.07 | 0.98 | 观测点3 | 0.25 m | 0.00 | 0.00 | 4.31 | 20.78 | 25.01 | 49.52 | 0.38 | 4.03 | 1.46 | 0.13 | 1.03 | | 0.5 m | 0.00 | 0.00 | 4.23 | 19.21 | 24.07 | 52.19 | 0.30 | 4.06 | 1.42 | 0.06 | 1.03 | | 1 m | 0.00 | 0.01 | 2.83 | 15.25 | 23.77 | 57.76 | 0.38 | 4.24 | 1.39 | 0.05 | 1.10 | | 2 m | 0.00 | 0.00 | 1.52 | 10.63 | 21.76 | 65.46 | 0.62 | 4.48 | 1.35 | 0.06 | 1.20 | | 地表 | 0.00 | 0.03 | 36.33 | 58.83 | 4.81 | 0.00 | 0.00 | 2.19 | 0.49 | 0.02 | 0.94 | 观测点4 | 0.25 m | 2.05 | 0.77 | 4.61 | 20.07 | 23.64 | 48.42 | 0.27 | 3.94 | 1.49 | 0.06 | 1.01 | | 0.5 m | 0.00 | 0.26 | 3.81 | 14.59 | 22.47 | 58.47 | 0.40 | 4.24 | 1.42 | 0.01 | 1.11 | | 1 m | 0.00 | 0.01 | 2.60 | 13.27 | 23.26 | 60.41 | 0.46 | 4.34 | 1.40 | 0.06 | 1.15 | | 2 m | 0.00 | 0.00 | 2.60 | 13.59 | 22.07 | 61.29 | 0.45 | 4.36 | 1.42 | 0.04 | 1.13 | | 地表 | 0.00 | 0.50 | 41.09 | 51.54 | 5.30 | 1.57 | 0.00 | 2.14 | 0.56 | 0.06 | 0.96 | 观测点5 | 0.25 m | 0.00 | 0.00 | 30.02 | 65.14 | 4.84 | 0.00 | 0.00 | 2.25 | 0.46 | 0.01 | 0.94 | | 0.5 m | 0.00 | 0.00 | 30.07 | 63.18 | 6.75 | 0.00 | 0.00 | 2.27 | 0.48 | 0.03 | 0.94 | | 1 m | 0.00 | 0.00 | 23.14 | 43.88 | 12.09 | 20.82 | 0.07 | 2.98 | 1.32 | 0.49 | 1.23 | | 2 m | 0.00 | 0.00 | 3.47 | 17.58 | 21.90 | 56.70 | 0.36 | 4.18 | 1.42 | 0.01 | 1.01 | | 地表 | 0.00 | 0.00 | 36.51 | 59.27 | 4.22 | 0.00 | 0.00 | 2.18 | 0.48 | 0.02 | 0.94 | 观测点6 | 0.25 m | 0.00 | 0.03 | 30.23 | 55.64 | 11.69 | 2.42 | 0.00 | 2.33 | 0.61 | 0.08 | 0.99 | | 0.5 m | 0.00 | 0.00 | 11.28 | 44.56 | 26.10 | 18.05 | 0.01 | 3.06 | 1.07 | 0.34 | 1.22 | | 1 m | 0.00 | 0.00 | 7.57 | 44.14 | 26.99 | 21.28 | 0.03 | 3.23 | 1.12 | 0.39 | 1.17 | | 2 m | 0.00 | 0.00 | 8.87 | 47.78 | 26.39 | 16.95 | 0.02 | 3.05 | 1.02 | 0.37 | 1.33 | | 地表 | 0.00 | 0.26 | 31.86 | 56.21 | 11.66 | 0.00 | 0.00 | 2.29 | 0.58 | 0.02 | 0.94 |
|
|
|