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地理科学  2001 

黄土丘陵区小流域土壤表面特性变化规律研究

, PP. 118-122

Keywords: 土壤表面特性,时空变化,大南沟小流域

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Abstract:

土壤表面特性是建立流域土壤侵蚀模型的重要参数,为建立适合黄土高原的流域侵蚀模型,采用随机糙率仪、微型粘结力仪及常水头滴定法,系统研究了黄土丘陵区大南沟小流域不同土地利用条件下,地面随机糙率、土壤粘结力和土壤团粒稳定性的时空变化规律。结果表明受农事活动、植物及其根系分布、有机质含量等因素的影响,流域内土壤表面特性变化显著,在流域水土保持措施配置时应予以充分考虑。

References

[1]  De Roo A, G Wesseling, G Ritsma. LISEM: A single-event, physical based hydrological and soil model for drainage basins. I: theory, input and output[J]. Hydrological Processes, 1996,10: 1107-1117.
[2]  Morgan R. The European soil erosion model: an update on its structure and research base. Rickson R. Conserving Soil Resources: European Perspectives. CAB International, Cambridge, 1994.286-299.
[3]  Cremers T, Van Dijk M, De Roo and Verzandvoort A. Spatial and temporal variability of soil surface roughness and the application in hydrological and soil erosion modeling[J]. Hydrological Processes, 1996,10: 1035-1047.
[4]  Wagner L. PMP: Profile Meter Program, documentation manual. United States Department of Agriculture, 1992.27-28.
[5]  Moore I, Larson C. Estimating micro-relief surface storage from point data[J]. Trans. ASAE, 1979,22(3): 729-732.
[6]  Cogo N, Moldenhauer W and Foster G. Effect of crop residue, tillage-induced roughness and pore space[J]. Soil Sci. Soc. Am. Proc., 1983,33: 449-452.
[7]  Linden D, Van DOREN and Allmaras R. A model of the effects of tillage-induced soil surface roughness on erosion. Proceedings, 11th International Conference of the International Soil Tillage Research Organization, Edinburgh. 1988.372-378.
[8]  Onstad C. Depressional storage on tilled soil surface. Trans. ASAE,1984,27: 729-732.
[9]  Huang C, Bradford J. Depressional storage for Markov-Gaussian surfaces[J]. Water Resour. Res., 1990,2235-2242.

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