Journal of Desert Research ›› 2020, Vol. 40 ›› Issue (5): 200-208.DOI: 10.7522/j.issn.1000-694X.2020.00098
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Wei Gong(), Guanglu Hu(
), Pengcheng Fu, Haoran Li, Chuan Zhou, Liyuan Deng
Received:
2020-07-23
Revised:
2020-09-06
Online:
2020-09-28
Published:
2020-09-28
Contact:
Guanglu Hu
CLC Number:
Wei Gong, Guanglu Hu, Pengcheng Fu, Haoran Li, Chuan Zhou, Liyuan Deng. Soil moisture infiltration characteristics of different sand-fixing plants in the desert-oasis transition zone in arid region of China[J]. Journal of Desert Research, 2020, 40(5): 200-208.
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URL: http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2020.00098
固沙植物 | 月份 | 土壤初始 含水率/% | 时间/min | |||||||
---|---|---|---|---|---|---|---|---|---|---|
1 | 5 | 10 | 20 | 30 | 60 | 90 | 120 | |||
梭梭 | 6 | 5.2 | 5.804 | 4.453 | 4.203 | 4.195 | 3.912 | 3.722 | 3.812 | 3.622 |
7 | 6.1 | 5.603 | 4.603 | 4.203 | 3.852 | 3.812 | 3.352 | 3.412 | 3.372 | |
8 | 13.5 | 4.203 | 3.452 | 2.852 | 3.202 | 2.982 | 3.026 | 3.022 | 3.018 | |
9 | 4.3 | 6.254 | 3.752 | 4.203 | 3.772 | 3.482 | 3.422 | 3.442 | 3.418 | |
10 | 3.8 | 6.254 | 5.303 | 4.052 | 3.952 | 3.742 | 3.242 | 3.172 | 3.142 | |
沙拐枣 | 6 | 4.4 | 4.453 | 3.352 | 3.302 | 3.572 | 3.442 | 3.222 | 3.282 | 3.172 |
7 | 4.2 | 4.603 | 3.752 | 3.202 | 2.942 | 2.782 | 2.742 | 2.712 | 2.662 | |
8 | 8.9 | 3.052 | 2.452 | 2.101 | 2.532 | 2.351 | 2.171 | 2.281 | 2.161 | |
9 | 4.6 | 4.803 | 3.152 | 2.652 | 2.492 | 2.241 | 2.091 | 2.061 | 2.031 | |
10 | 4.1 | 4.052 | 3.252 | 3.201 | 3.172 | 3.022 | 2.381 | 2.411 | 2.401 | |
泡泡刺 | 6 | 2.6 | 4.153 | 2.602 | 2.101 | 2.091 | 2.051 | 1.931 | 1.811 | 1.831 |
7 | 2.9 | 4.603 | 2.251 | 2.381 | 2.301 | 2.271 | 1.951 | 1.951 | 1.941 | |
8 | 13.2 | 1.001 | 0.925 | 0.901 | 0.851 | 0.710 | 0.720 | 0.710 | 0.750 | |
9 | 9.6 | 2.351 | 1.751 | 1.351 | 1.361 | 1.251 | 1.281 | 1.191 | 1.191 | |
10 | 5.8 | 3.052 | 2.551 | 2.462 | 2.351 | 2.211 | 1.851 | 1.841 | 1.831 |
Table 1 Soil moisture infiltration rate under different initial moisture contents (mm·min-1) at 40-60 cm soil layer
固沙植物 | 月份 | 土壤初始 含水率/% | 时间/min | |||||||
---|---|---|---|---|---|---|---|---|---|---|
1 | 5 | 10 | 20 | 30 | 60 | 90 | 120 | |||
梭梭 | 6 | 5.2 | 5.804 | 4.453 | 4.203 | 4.195 | 3.912 | 3.722 | 3.812 | 3.622 |
7 | 6.1 | 5.603 | 4.603 | 4.203 | 3.852 | 3.812 | 3.352 | 3.412 | 3.372 | |
8 | 13.5 | 4.203 | 3.452 | 2.852 | 3.202 | 2.982 | 3.026 | 3.022 | 3.018 | |
9 | 4.3 | 6.254 | 3.752 | 4.203 | 3.772 | 3.482 | 3.422 | 3.442 | 3.418 | |
10 | 3.8 | 6.254 | 5.303 | 4.052 | 3.952 | 3.742 | 3.242 | 3.172 | 3.142 | |
沙拐枣 | 6 | 4.4 | 4.453 | 3.352 | 3.302 | 3.572 | 3.442 | 3.222 | 3.282 | 3.172 |
7 | 4.2 | 4.603 | 3.752 | 3.202 | 2.942 | 2.782 | 2.742 | 2.712 | 2.662 | |
8 | 8.9 | 3.052 | 2.452 | 2.101 | 2.532 | 2.351 | 2.171 | 2.281 | 2.161 | |
9 | 4.6 | 4.803 | 3.152 | 2.652 | 2.492 | 2.241 | 2.091 | 2.061 | 2.031 | |
10 | 4.1 | 4.052 | 3.252 | 3.201 | 3.172 | 3.022 | 2.381 | 2.411 | 2.401 | |
泡泡刺 | 6 | 2.6 | 4.153 | 2.602 | 2.101 | 2.091 | 2.051 | 1.931 | 1.811 | 1.831 |
7 | 2.9 | 4.603 | 2.251 | 2.381 | 2.301 | 2.271 | 1.951 | 1.951 | 1.941 | |
8 | 13.2 | 1.001 | 0.925 | 0.901 | 0.851 | 0.710 | 0.720 | 0.710 | 0.750 | |
9 | 9.6 | 2.351 | 1.751 | 1.351 | 1.361 | 1.251 | 1.281 | 1.191 | 1.191 | |
10 | 5.8 | 3.052 | 2.551 | 2.462 | 2.351 | 2.211 | 1.851 | 1.841 | 1.831 |
固沙植物 | 初始入渗率 /(mm·min-1) | 平均入渗率 /(mm·min-1) | 稳定入渗率 /(mm·min-1) |
---|---|---|---|
梭梭 | 5.624±0.242a | 3.730±0.147a | 3.347±0.167a |
沙拐枣 | 4.193±0.251b | 2.806±0.147b | 2.252±0.161b |
泡泡刺 | 3.032±0.351c | 1.740±0.160c | 1.525±0.133c |
Table 2 Soil moisture infiltration characteristics index of different sand-fixing plants at 40-60 cm soil layer
固沙植物 | 初始入渗率 /(mm·min-1) | 平均入渗率 /(mm·min-1) | 稳定入渗率 /(mm·min-1) |
---|---|---|---|
梭梭 | 5.624±0.242a | 3.730±0.147a | 3.347±0.167a |
沙拐枣 | 4.193±0.251b | 2.806±0.147b | 2.252±0.161b |
泡泡刺 | 3.032±0.351c | 1.740±0.160c | 1.525±0.133c |
固沙植物 | a | b | R2 |
---|---|---|---|
梭梭 | 19.574 | 0.937 | 0.99992 |
沙拐枣 | 13.782 | 0.885 | 0.99980 |
泡泡刺 | 6.759 | 0.902 | 0.99996 |
Table 3 Fitting parameters of cumulative infiltration capacity of different sand-fixing plants at 40-60 cm soil layer
固沙植物 | a | b | R2 |
---|---|---|---|
梭梭 | 19.574 | 0.937 | 0.99992 |
沙拐枣 | 13.782 | 0.885 | 0.99980 |
泡泡刺 | 6.759 | 0.902 | 0.99996 |
固沙植物 | 深度/cm | Kostiakov模型 | R2 | Horton模型 | R2 | Philip模型 | R2 |
---|---|---|---|---|---|---|---|
梭梭 | 0~20 | i(t)=9.419t-0.068 | 0.825 | i(t)=7.060+3.197e-0.119t | 0.955 | i(t)=1/2*8.275t-0.5+6.610 | 0.934 |
20~40 | i(t)=5.894t-0.059 | 0.523 | i(t)=4.631+4.326e-0.336t | 0.974 | i(t)=1/2*6.633t-0.5+4.126 | 0.912 | |
40~60 | i(t)=5.134t-0.038 | 0.480 | i(t)=4.395+2.988e-0.375t | 0.929 | i(t)=1/2*4.156t-0.5+4.074 | 0.819 | |
60~80 | i(t)=5.963t-0.139 | 0.922 | i(t)=3.293+2.642e-0.083t | 0.946 | i(t)=1/2*7.667t-0.5+2.941 | 0.926 | |
80~100 | i(t)=5.146t-0.098 | 0.910 | i(t)=3.386+1.839e-0.084t | 0.937 | i(t)=1/2*5.414t-0.5+3.129 | 0.948 | |
100~120 | i(t)=4.087t-0.077 | 0.967 | i(t)=2.829+0.929e-0.033t | 0.777 | i(t)=1/2*3.137t-0.5+2.787 | 0.818 | |
沙拐枣 | 0~20 | i(t)=8.365t-0.076 | 0.942 | i(t)=5.914+1.853e-0.041t | 0.971 | i(t)=1/2*6.605t-0.5+5.736 | 0.938 |
20~40 | i(t)=6.771t-0.137 | 0.964 | i(t)=3.634+2.328e-0.046t | 0.966 | i(t)=1/2*8.140t-0.5+3.377 | 0.926 | |
40~60 | i(t)=5.020t-0.131 | 0.963 | i(t)=2.771+1.672e-0.046t | 0.967 | i(t)=1/2*5.824t-0.5+2.593 | 0.911 | |
60~80 | i(t)=4.809t-0.108 | 0.929 | i(t)=2.939+1.401e-0.044t | 0.968 | i(t)=1/2*5.089t-0.5+2.776 | 0.982 | |
80~100 | i(t)=4.198t-0.121 | 0.917 | i(t)=2.429+1.319e-0.045t | 0.967 | i(t)=1/2*4.704t-0.5+2.281 | 0.928 | |
100~120 | i(t)=3.615t-0.152 | 0.941 | i(t)=1.819+1.327e-0.047t | 0.964 | i(t)=1/2*4.709t-0.5+1.657 | 0.948 | |
泡泡刺 | 0~20 | i(t)=6.184t-0.062 | 0.677 | i(t)=4.437+1.351e-0.022t | 0.689 | i(t)=1/2*4.768t-0.5+4.498 | 0.912 |
20~40 | i(t)=4.043t-0.075 | 0.847 | i(t)=2.829+0.929e-0.034t | 0.777 | i(t)=1/2*3.654t-0.5+2.738 | 0.917 | |
40~60 | i(t)=3.355t-0.126 | 0.645 | i(t)=2.125+5.684e-0.859t | 0.868 | i(t)=1/2*4.426t-0.5+1.714 | 0.934 | |
60~80 | i(t)=2.908t-0.097 | 0.786 | i(t)=1.739+0.880e-0.024t | 0.773 | i(t)=1/2*3.189t-0.5+1.751 | 0.924 | |
80~100 | i(t)=1.686t-0.199 | 0.724 | i(t)=0.815+2.363e-0.541t | 0.906 | i(t)=1/2*2.872t-0.5+0.561 | 0.956 | |
100~120 | i(t)=1.633t-0.289 | 0.729 | i(t)=0.605+3.698e-0.815t | 0.887 | i(t)=1/2*3.184t-0.5+0.294 | 0.978 |
Table 4 Simulation results of infiltration model
固沙植物 | 深度/cm | Kostiakov模型 | R2 | Horton模型 | R2 | Philip模型 | R2 |
---|---|---|---|---|---|---|---|
梭梭 | 0~20 | i(t)=9.419t-0.068 | 0.825 | i(t)=7.060+3.197e-0.119t | 0.955 | i(t)=1/2*8.275t-0.5+6.610 | 0.934 |
20~40 | i(t)=5.894t-0.059 | 0.523 | i(t)=4.631+4.326e-0.336t | 0.974 | i(t)=1/2*6.633t-0.5+4.126 | 0.912 | |
40~60 | i(t)=5.134t-0.038 | 0.480 | i(t)=4.395+2.988e-0.375t | 0.929 | i(t)=1/2*4.156t-0.5+4.074 | 0.819 | |
60~80 | i(t)=5.963t-0.139 | 0.922 | i(t)=3.293+2.642e-0.083t | 0.946 | i(t)=1/2*7.667t-0.5+2.941 | 0.926 | |
80~100 | i(t)=5.146t-0.098 | 0.910 | i(t)=3.386+1.839e-0.084t | 0.937 | i(t)=1/2*5.414t-0.5+3.129 | 0.948 | |
100~120 | i(t)=4.087t-0.077 | 0.967 | i(t)=2.829+0.929e-0.033t | 0.777 | i(t)=1/2*3.137t-0.5+2.787 | 0.818 | |
沙拐枣 | 0~20 | i(t)=8.365t-0.076 | 0.942 | i(t)=5.914+1.853e-0.041t | 0.971 | i(t)=1/2*6.605t-0.5+5.736 | 0.938 |
20~40 | i(t)=6.771t-0.137 | 0.964 | i(t)=3.634+2.328e-0.046t | 0.966 | i(t)=1/2*8.140t-0.5+3.377 | 0.926 | |
40~60 | i(t)=5.020t-0.131 | 0.963 | i(t)=2.771+1.672e-0.046t | 0.967 | i(t)=1/2*5.824t-0.5+2.593 | 0.911 | |
60~80 | i(t)=4.809t-0.108 | 0.929 | i(t)=2.939+1.401e-0.044t | 0.968 | i(t)=1/2*5.089t-0.5+2.776 | 0.982 | |
80~100 | i(t)=4.198t-0.121 | 0.917 | i(t)=2.429+1.319e-0.045t | 0.967 | i(t)=1/2*4.704t-0.5+2.281 | 0.928 | |
100~120 | i(t)=3.615t-0.152 | 0.941 | i(t)=1.819+1.327e-0.047t | 0.964 | i(t)=1/2*4.709t-0.5+1.657 | 0.948 | |
泡泡刺 | 0~20 | i(t)=6.184t-0.062 | 0.677 | i(t)=4.437+1.351e-0.022t | 0.689 | i(t)=1/2*4.768t-0.5+4.498 | 0.912 |
20~40 | i(t)=4.043t-0.075 | 0.847 | i(t)=2.829+0.929e-0.034t | 0.777 | i(t)=1/2*3.654t-0.5+2.738 | 0.917 | |
40~60 | i(t)=3.355t-0.126 | 0.645 | i(t)=2.125+5.684e-0.859t | 0.868 | i(t)=1/2*4.426t-0.5+1.714 | 0.934 | |
60~80 | i(t)=2.908t-0.097 | 0.786 | i(t)=1.739+0.880e-0.024t | 0.773 | i(t)=1/2*3.189t-0.5+1.751 | 0.924 | |
80~100 | i(t)=1.686t-0.199 | 0.724 | i(t)=0.815+2.363e-0.541t | 0.906 | i(t)=1/2*2.872t-0.5+0.561 | 0.956 | |
100~120 | i(t)=1.633t-0.289 | 0.729 | i(t)=0.605+3.698e-0.815t | 0.887 | i(t)=1/2*3.184t-0.5+0.294 | 0.978 |
固沙植物 | 入渗时间 | |||
---|---|---|---|---|
1 min | 10 min | 60 min | 120 min | |
梭梭 | -0.874** | -0.484 | -0.260 | -0.212 |
沙拐枣 | -0.709** | -0.682** | -0.479 | -0.462 |
泡泡刺 | -0.945** | -0.926** | -0.912** | -0.864** |
Table 5 Correlation between soil moisture infiltration rate and initial soil moisture content at different infiltration times at 40-60 cm soil layer
固沙植物 | 入渗时间 | |||
---|---|---|---|---|
1 min | 10 min | 60 min | 120 min | |
梭梭 | -0.874** | -0.484 | -0.260 | -0.212 |
沙拐枣 | -0.709** | -0.682** | -0.479 | -0.462 |
泡泡刺 | -0.945** | -0.926** | -0.912** | -0.864** |
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