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Erodibility of selected soils and estimates of sediment yields in the San Juan Basin, New Mexico

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Erodibility of selected soils and estimates of sediment yields in the San Juan Basin, New Mexico; 1981; WRI; 81-44; Summer, Rebecca M.

Summary

Onsite rainfall-simulation experiments were conducted to derive field-erodibility indexes for rangeland soils and soils disturbed by mining in coal fields of northwestern New Mexico. Mean indexes on rangeland soils range from 0 grams (of detached soil) on dune soil to 121 grams on wash-transport zones. Mean field-erodibility-index values of soils disturbed by mining range from 16 to 32 grams; they can be extrapolted to nearby coal fields where future mining is expected. Because field-erodibility-index data allow differentiation of erodibilities across a variable landscape, these indexes were used to adjust values of K, the erodibility factor of the Universal Soil Loss Equation. Estimates of soil loss and sediment yield were then calculated [...]

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Type Scheme Key
local-index unknown wri8144
local-pk unknown 30025
series unknown Water-Resources Investigations Report

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journalWater-Resources Investigations Report
edition-
languageENGLISH
citationTypeReport

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