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[1]LI Hai-guang,YU Xin-xiao,ZHANG Man-liang,et al.Study on Soil Permeability at the Third Subdivision of Hilly-gully Region on the Loess Plateau[J].Research of Soil and Water Conservation,2010,17(02):75-79,85.

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Study on Soil Permeability at the Third Subdivision of Hilly-gully Region on the Loess Plateau

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 17 Number of periods: 2010 02 Page number: 75-79,85 Column: Public date: 2010-04-20

Title:: Study on Soil Permeability at the Third Subdivision of Hilly-gully Region on the Loess Plateau

Author(s):: LI Hai-guang¹, YU Xin-xiao¹, ZHANG Man-liang², XIN Zhong-bao¹, XU Feng², LI Qing-yun¹, LIU Shu-yan¹; 1. Key Laboratory of Soil and Water Conservation & Combating Desertification of Ministry of Education, School of Water and Soil Conservation, Beijing Forestry University, Beijing 100083, China;
2. Yellow River Conservancy Commission Tianshui Soil and Water Conservation Science Experiment Station, Tianshui, Gansu 74100, China

Keywords:: soil permeability; soil permeability coefficients; land use; Loess Plateau

CLC:: S152.7

DOI:: -

Abstract:: The soil permeability charateristics of the third subdivision-Lǔergou small basin in Loess Plateau hilly-gully regionis were studied with double-ring method based on field investigation. The results showed that the soil permeability coefficients were closely to different land uses, and the soil permeability coefficient of locust forest is the biggest, the coefficients in the cultivated land and orchard are the smallest. Analyzing on the whole basin, the soil permeability coefficients did not obviously presents middle reaches > downstream > upstream, and right side > left side. The soil permeability coefficients is well related to bulk density and non-capillary pores, and the soil permeability coefficients is mainly controlled by non-capillary pore. Soil permeability coefficients fitting precisions with Horton’s model are perfect and the correlation coefficient is 0.930.

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