Erodibility of some California wildland soils related to their metallic cation exchange capacity

Wallis, James R.; Stevan, Lee J.

doi:10.1029/jz066i004p01225

Cited by 9 publications

(1 citation statement)

References 3 publications

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“…Anderson (1951) claimed that Middleton's dispersion and erosion ratios are important indices in characterizing the erodability of sediments from 14 Beaseley (1959) concluded that plasticity index and dispersion ratio have pronounced effect on the critical shear stress of cohesive soils in open channels. Wallis and Stevan (1961) defined an erosion index in terms of cation exchange capacity. Krone (1963) related cation exchange capacity with Bingham shear strength.…”

Section: Effect Of Bed Propertiesmentioning

confidence: 99%

Mathematical modeling of three-dimensional coastal currents and sediment dispersion : model development and application / by Y.P. Sheng.

Sheng¹

1983

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Section: Effect Of Bed Propertiesmentioning

confidence: 99%

Mathematical modeling of three-dimensional coastal currents and sediment dispersion : model development and application / by Y.P. Sheng.

Sheng¹

1983

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The development, use and efficiency of indices of soil erodibility

Bryan

1968

Geoderma

187

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Variation of soil erodibility with geology, geographic zone, elevation, and vegetation type in northern California wildlands

André¹,

Anderson²

1961

J. Geophys. Res.

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Samples of the surface 6 inches of mineral soil were taken at 168 places in northern California and analyzed for the physical characteristics which index erodibility of the soil. The samples were selected in the major soil‐geologic types of California, under standard conditions of slope (west, 20 per cent), at 1000‐foot intervals of elevation (1000 to 4000 feet), by vegetation types (forest, brush, and grass), and in three separate zones (North Coast, Central Coast, and Sierra). A multiple regression analysis related the ‘surface‐aggregation’ and ‘dispersion’ ratios, as the indexes of erodibility, to geologic type, vegetation type, zone, and elevation and to their interactions. The surface‐aggregation ratio was somewhat more significantly related to soil erodibility than was the dispersion ratio. Soil developed from acid igneous rock was about 2 ½ times as erodible as soil developed on basalt. Erodibility was highest for soils under brush, next under trees, and least under grass. No clear‐cut relation of erodibility to elevation was found. The interaction of zone and geologic rock type showed significant variation in erodibility. The prediction equation explains 52 per cent of the variability in erodibility in soils. By combining predicted erodibility from this equation with chemical base status, for a sample of 20 of the soils, the explained variance was improved. Application of these relationships in studies of sedimentation from watersheds is illustrated.

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Erodibility of some California wildland soils related to their metallic cation exchange capacity

Cited by 9 publications

References 3 publications

Mathematical modeling of three-dimensional coastal currents and sediment dispersion : model development and application / by Y.P. Sheng.

Mathematical modeling of three-dimensional coastal currents and sediment dispersion : model development and application / by Y.P. Sheng.

The development, use and efficiency of indices of soil erodibility

Variation of soil erodibility with geology, geographic zone, elevation, and vegetation type in northern California wildlands

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