植被盖度对风沙流结构及输沙率的影响
|
白子怡, 董治宝, 南维鸽, 肖锋军, 李超, 邵天杰, 孔玲玲, 刘小槺, 梁爱民, 池政
|
The influence of vegetation coverage on the wind sand flow structure and sediment transport rate
|
Ziyi Bai, Zhibao Dong, Weige Nan, Fengjun Xiao, Chao Li, Tianjie Shao, Lingling Kong, Xiaokang Liu, Aiming Liang, Zheng Chi
|
|
表1 一行一带布局下不同植被盖度下的沙打旺风沙流结构分布
|
Table 1 Distribution of sand flow structure of Astragalus adsurgens under different vegetation coverage under layout of one line
|
|
分类 | 高度/ cm | 植被盖度10% | 植被盖度20% | 植被盖度30% | 植被盖度40% |
---|
输沙量 /(g·cm-2·min-1) | 占比 /% | 输沙量 /(g·cm-2·min-1) | 占比 /% | 输沙量 /(g·cm-2·min-1) | 占比 /% | 输沙量 /(g·cm-2·min-1) | 占比 /% |
---|
低层 | 2 | 0.409 | 8.87 | 0.060 | 5.10 | 0.002 | 2.69 | 0.002 | 3.67 | 4 | 0.587 | 12.74 | 0.0.70 | 5.93 | 0.002 | 2.86 | 0.002 | 4.26 | 6 | 0.455 | 9.87 | 0.125 | 10.61 | 0.002 | 2.41 | 0.001 | 3.13 | 8 | 0.394 | 8.55 | 0.112 | 9.56 | 0.002 | 2.77 | 0.001 | 1.83 | 10 | 0.362 | 7.85 | 0.091 | 7.78 | 0.003 | 4.77 | 0.002 | 3.50 | 中层 | 12 | 0.353 | 7.66 | 0.088 | 7.50 | 0.004 | 5.97 | 0.002 | 4.52 | 14 | 0.318 | 6.89 | 0.085 | 7.24 | 0.004 | 5.28 | 0.002 | 3.72 | 16 | 0.289 | 6.28 | 0.074 | 6.31 | 0.005 | 6.97 | 0.003 | 5.69 | 18 | 0.277 | 6.01 | 0.074 | 6.27 | 0.007 | 9.10 | 0.003 | 6.61 | 20 | 0.255 | 5.54 | 0.071 | 6.06 | 0.006 | 8.49 | 0.004 | 8.17 | 高层 | 22 | 0.245 | 5.32 | 0.068 | 5.81 | 0.007 | 9.55 | 0.004 | 7.87 | 24 | 0.229 | 4.97 | 0.068 | 5.75 | 0.008 | 11.39 | 0.004 | 8.17 | 26 | 0.199 | 4.31 | 0.061 | 5.21 | 0.007 | 10.39 | 0.006 | 13.15 | 28 | 0.147 | 3.18 | 0.061 | 5.17 | 0.006 | 8.71 | 0.006 | 12.71 | 30 | 0.091 | 1.97 | 0.067 | 5.69 | 0.006 | 8.64 | 0.006 | 13.00 | 合计 | 4.609 | 100 | 1.176 | 100 | 0.072 | 100 | 0.046 | 100 |
|
|
|