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4 3种布局下不同植被盖度下的空气动力学粗糙度
|
Table 4 Aerodynamic roughness under different vegetation coverage under three layouts
|
|
| 植被布局 | 植被盖度/% | 高度/cm | 拟合函数 | b | a | z/cm | z0/cm |
|---|
| 1 | 5 | 10 | 20 | 30 |
|---|
| 一行一带 | 10 | 2.87 | 5.36 | 6.67 | 8.57 | 10.31 | y=3.2437x+14.046 | 3.24 | 14.05 | 1.2564 | 1.32 | | 20 | 4.83 | 5.46 | 5.81 | 7.23 | 10.07 | y=3.678x+13.975 | 3.68 | 13.98 | 2.1779 | 2.24 | | 30 | 1.11 | 2.11 | 3.48 | 7.10 | 10.09 | y=5.9326x+17.009 | 5.93 | 17.01 | 5.6267 | 5.69 | | 40 | 0.84 | 0.86 | 2.59 | 6.71 | 9.78 | y=6.4724x+17.397 | 6.47 | 17.40 | 6.7425 | 6.80 | | 两行一带 | 10 | 5.24 | 6.10 | 6.74 | 7.82 | 9.54 | y=2.4401x+12.195 | 2.44 | 12.20 | 0.6153 | 0.68 | | 20 | 1.13 | 1.61 | 3.19 | 6.60 | 9.50 | y=6.63x+17.35 | 6.63 | 17.35 | 5.7722 | 5.83 | | 30 | 1.20 | 1.48 | 2.19 | 6.39 | 9.55 | y=5.6588x+16.081 | 5.66 | 16.08 | 7.2429 | 7.30 | | 40 | 0.54 | 0.71 | 1.40 | 6.02 | 9.54 | y=7.3276x+18.15 | 7.33 | 18.15 | 8.3400 | 8.40 | | 交叉布局 | 10 | 5.22 | 6.01 | 6.70 | 7.76 | 9.46 | y=2.411x+12.083 | 2.41 | 12.08 | 0.6060 | 0.67 | | 20 | 2.82 | 3.60 | 4.72 | 7.43 | 10.27 | y=4.9216x+15.867 | 4.92 | 15.87 | 3.9197 | 3.98 | | 30 | 1.52 | 2.23 | 3.14 | 6.75 | 10.06 | y=6.1828x+17.192 | 6.18 | 17.19 | 6.1400 | 6.20 | | 40 | 1.70 | 1.28 | 2.10 | 5.79 | 9.63 | y=6.6864x+17.244 | 6.69 | 17.24 | 7.5252 | 7.59 |
|
|
|