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Detachment of Undisturbed Soil by Shallow Flow

Guang-hui Zhang^,*,a, Bao-yuan Liu^a,c, Guo-bin Liu^a,c, Xiao-wu He^a and M. A. Nearing^b

^a Dep. of Resources and Environmental Sciences, Beijing Normal Univ., Beijing, 100875, China
^b USDA-ARS Southwest Watershed Research Center, Tucson, AZ 85719
^c Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resource, Yangling, Shaanxi, 712100, China

View larger version (21K): [in a new window]   Fig. 1. Relationship between detachment rate of natural undisturbed sample and disturbed sample.

View larger version (26K): [in a new window]   Fig. 2. Measured detachment rate as a function of flow discharge.

View larger version (25K): [in a new window]   Fig. 3. Measured detachment rate as a function of slope gradient.

View larger version (21K): [in a new window]   Fig. 4. Measured detachment rate vs. predicted detachment rate using Eq. [5]

View larger version (19K): [in a new window]   Fig. 5. Measured detachment rate as a function of mean flow velocity.

View larger version (18K): [in a new window]   Fig. 6. Measured detachment rate as a function of shear stress.

View larger version (18K): [in a new window]   Fig. 7. Measured detachment rate as a function of unit stream power.

View larger version (18K): [in a new window]   Fig. 8. Measured detachment rate as a function of stream power.