土壤含水率对风沙流结构及风蚀量的影响

陈银萍, 曹雯婕, 余沛东, 杨欢, 王旭洋, 李玉强

The effects of soil water content on sand flow structure and wind erosion amount with wind tunnel experiment in semi-arid area

Yinping Chen, Wenjie Cao, Peidong Yu, Huan Yang, Xuyang Wang, Yuqiang Li

表2 不同含水率土壤的输沙率垂向分布拟合关系

Table 2 Fitting relationship of vertical distribution of sediment transport rate in soils with different water contents

流动沙丘土 沙质草地土 农田土 含水率 /% A B R2 P 含水率 /% A B R2 P 含水率 % A B R2 P 0.23 21.5952 4.2366 0.9973 <0.001 0.00 13.8313 4.0125 0.9981 <0.001 0.00 2.5700 4.8167 0.9954 <0.001 0.50 7.3445 5.5586 0.9883 <0.001 0.23 7.7776 4.7402 0.9974 <0.001 1.35 2.6506 4.6803 0.9921 <0.001 0.79 9.4417 4.6557 0.9921 <0.001 0.42 9.3257 3.6906 0.9990 <0.001 1.85 2.5183 4.9786 0.9937 <0.001 0.90 2.4761 4.8976 0.9433 <0.001 0.76 4.4645 5.7514 0.9934 <0.001 2.77 2.2609 4.8776 0.9980 <0.001 1.01 2.1799 5.7284 0.99 <0.001 1.14 3.9187 5.2143 0.9933 <0.001 3.54 1.8825 4.5302 0.9934 <0.001 1.47 1.4029 5.7149 0.9965 <0.001 1.72 0.7072 7.2590 0.9978 <0.001 4.44 0.5994 3.8842 0.9901 <0.001 1.79 0.006 4.5969 0.9802 <0.001 2.12 0.7089 5.7780 0.9978 <0.001 6.15 0.4615 3.5199 0.9952 <0.001 2.14 0.0038 9.3119 0.8646 <0.001 2.83 0.3559 4.8563 0.9957 <0.001 6.69 0.2068 3.7348 0.9916 <0.001 2.53 0.0309 7.4410 0.9632 <0.001 3.47 0.4052 4.5310 0.9982 <0.001 8.45 0.1571 3.9496 0.9936 <0.001 3.78 0.2919 4.9476 0.9939 <0.001 11.06 0.0652 3.4415 0.9852 <0.001 4.76 0.0477 4.8167 0.997 <0.001 13.28 0.22 1.4171 0.6909 <0.001 14.43 0.0036 4.9046 0.9924 <0.001