Soil infiltration under different patterns of land use and its influencing factor in the Bashang and Baxia regions of Hebei province

Xiao-yi WANG; Zheng-an SU; Jing MA; Hong-kun YANG; Zhou-yao HE; Tao ZHOU

doi:10.31497/zrzyxb.20200609

Journals >Journal of Natural Resources >Volume 35 >Issue 6 >Page 1360 > Article

Journal of Natural Resources
Vol. 35, Issue 6, 1360 (2020)

Soil infiltration under different patterns of land use and its influencing factor in the Bashang and Baxia regions of Hebei province

Xiao-yi WANG^1、2, Zheng-an SU^1、*, Jing MA², Hong-kun YANG^1、3, Zhou-yao HE^1、4, and Tao ZHOU^1、5

Author Affiliations

¹Key Laboratory of Mountain Hazards and Earth Surface Processes, Institute of Mountain Hazards and Environment, CAS, Chengdu 610041 China

²College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an 625014, Sichuan, China

³School of Geoscience and Technology,Southwest Petroleum University, Chengdu 610500, China

⁴Forestry College, Sichuan Agricultural University, Chengdu 611130, China

⁵University of Chinese Academy of Sciences, Beijing 100049, China

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DOI: 10.31497/zrzyxb.20200609 Cite this Article

Xiao-yi WANG, Zheng-an SU, Jing MA, Hong-kun YANG, Zhou-yao HE, Tao ZHOU. Soil infiltration under different patterns of land use and its influencing factor in the Bashang and Baxia regions of Hebei province[J]. Journal of Natural Resources, 2020, 35(6): 1360 Copy Citation Text

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土地利用类型		初始入渗速率/(ml/s)	稳定入渗速率/(ml/s)	稳定入渗时间/s	饱和导水率k/(mm/h)
张北县	耕地	5	2.5	120	18
	草地	8	3	100	23
	灌木林	3.5	1.5	90	8.2
	防护林	3	1	60	6.5
阳原县	高盖地草地	5	2	120	18.26
	低盖度草地	3	1.5	90	12.15
	耕地	2	1.2	90	8.41
	林地	2	1	60	5.71

Table 1. Soil infiltration capacity under different land use types

土地利用类型	张北县				阳原县
土地利用类型	耕地	草地	灌木林	防护林	高盖度草地	低盖度草地	耕地	林地
容重/(g/cm³)	1.31	0.90	1.48	1.32	1.22	1.31	1.39	1.36
总孔隙度/%	46.40	63.22	50.24	46.17	50.24	46.53	43.32	44.31
有机质/(g/kg)	36.59	13.57	17.58	18.47	21.68	6.94	10.90	20.94
占比/%
<0.002 m	1.01	1.96	1.17	0.83	1.95	2.42	2.10	2.13
0.002~0.02 mm	29.69	41.20	28.49	24.26	29.05	39.09	32.64	30.84
0.02~0.05 mm	21.31	33.24	22.16	23.00	37.35	37.29	36.07	37.11
0.05~0.1 mm	19.00	15.51	20.01	22.02	26.20	17.41	23.82	25.51
0.1~0.25 mm	24.96	7.23	24.18	25.86	5.33	3.12	5.24	4.41
0.25~0.5 mm	4.02	0.87	3.99	4.02	0.12	0.64	0.13	0
>0.5 mm	0	0	0	0.01	0.015	0.36	0.016	0

Table 2. Soil physical and chemical characteristics under different land use types

土地利用类型		Kastiakov模型	Philip模型	G-P综合模型
张北县	耕地	f(t)=12.14t^-0.23 P=0.023,R²⁼0.721	f(t)=12.90t^-0.5+2.29 P=0.009,R²=0.752	f(t)=28.53t^-0.5+0.79 P=0.017,R²=0.728
	草地	f(t)=5.11t^-0.16 P=0.003,R²⁼0.969	f(t)=13.28t^-0.5+0.77 P=0.006,R²=0.855	f(t)=20.18t^-0.5+0.80 P=0.008,R²=0.855
	灌木林	f(t)=2.73t^-0.12 P=0.008,R²=0.903	f(t)=4.14t^-0.5+1.34 P=0.002,R²=0.992	f(t)=7.74t^-0.5+1.44 P=0.003,R²=0.938
	防护林	f(t)=2.42t^-0.16 P=0.012,R²⁼0.875	f(t)=3.36t^-0.5+0.85 P=0.006,R²=0.885	f(t)=6.23t^-0.5+0.65 P=0.014,R²=0.799
阳原县	高盖度草地	f(t)=5.12t^-0.15 P=0.001,R²=0.970	f(t)=7.31t^-0.5+2.08 P=0.002,R²=0.974	f(t)=8.28t^-0.5+2.35 P=0.002,R²=0.951
	低盖度草地	f(t)=4.08t^-0.16 P=0.003,R²=0.915	f(t)=6.92t^-0.5+1.13 P=0.003,R²=0.963	f(t)=6.84t^-0.5+1.44 P=0.006,R²=0.888
	耕地	f(t)=2.13t^-0.05 P=0.012,R²=0.846	f(t)=4.87t^-0.5+1.17 P=0.001,R²=0.995	f(t)=4.23t^-0.5+1.18 P=0.004,R²=0.925
	林地	f(t)=1.81t^-0.07 P=0.012,R²=0.854	f(t)=4.09t^-0.5+0.89 P=0.006,R²=0.888	f(t)=3.07t^-0.5+1.05 P=0.006,R²=0.882

Table 3. Relevant parameters of the fitting formula

	容重	总孔隙度	占比/%
	容重	总孔隙度	<0.002 mm	0.002~0.02 mm	0.02~2 mm	0.1~0.25 mm	0.25~0.5 mm	0.1~2.0 mm
初始入渗速率	-0.850^**	0.856^**	-0.355	-0.304	0.308	0.789^*	0.751^*	0.69
稳定入渗速率	-0.817^**	0.822^**	-0.367	-0.319	0.322	0.748^*	0.771^*	0.775^*
稳定入渗时间	-0.813^**	0.831^**	-0.376	-0.282	0.287	0.758^*	0.812^**	0.895^**

Table 4. Correlation analysis between soil infiltration capacity and soil physical and chemical properties

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