[1]CHEN Sanxiong,SHEN Yi.Simulation Analysis on Soil Infiltration Characteristics Under Main Vegetation Types in Huangpu River Source Region[J].Research of Soil and Water Conservation,2016,23(06):59-63.
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Simulation Analysis on Soil Infiltration Characteristics Under Main Vegetation Types in Huangpu River Source Region
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
23
Number of periods:
2016 06
Page number:
59-63
Column:
Public date:
2016-12-28
- Title:
- Simulation Analysis on Soil Infiltration Characteristics Under Main Vegetation Types in Huangpu River Source Region
- CLC:
- S152.7
- DOI:
- -
- Abstract:
- Soil infiltration characteristics under main vegetation types in the source region of Huangpu River were studied by using method of ‘double rings’. Four widely used infiltration models such as Koctakob formula, Horton formula, Philip formula and general empirical formula were used to fit and analyze infiltration patterns. The results showed that:(1) soil infiltration of deciduous broad-leaved forest has the highest permeability, reaching 828.93 mm/h, and has ratios of 1.27, 1.38, 1.48, 1.48, 1.88, 2.04, and 3.76 to pine, grass, tea, shrubbery, bamboo forest, evergreen forest, and bare ground, respectively. Among the other forest types, permeability doesn’t differ between shrubs, bamboo forest, and evergreen forest, while bare ground has the lowest permeability lower than deciduous broad leaf, pine and other forest (grass) under 5% significant level, the soil infiltration capacities of all forest types are better than bare ground, indicating that the forest vegetation can effectively improve soil infiltration capacity; (2) fitting the infiltration processes of eight soil under different vegetation types indicated that Koctakob formula was the best model, followed by Philip formula, Horton formula and general empirical equation.
- References:
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1900-01-01