干旱区沙漠-绿洲过渡带固沙植物的土壤水分入渗特征

巩炜, 胡广录, 付鹏程, 李浩然, 周川, 邓丽媛

Soil moisture infiltration characteristics of different sand-fixing plants in the desert-oasis transition zone in arid region of China

Wei Gong, Guanglu Hu, Pengcheng Fu, Haoran Li, Chuan Zhou, Liyuan Deng

表4 入渗模型的模拟结果

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^-0.119^t	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^-0.336^t	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^-0.375^t	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^-0.083^t	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^-0.084^t	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^-0.033^t	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^-0.041^t	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^-0.046^t	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^-0.046^t	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^-0.044^t	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^-0.045^t	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^-0.047^t	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^-0.022^t	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^-0.034^t	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^-0.859^t	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^-0.024^t	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^-0.541^t	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^-0.815^t	0.887	i(t)=1/2*3.184t^-0.5+0.294	0.978