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    • Journal of Range Management, Volume 54 (2001)
    • Journal of Range Management, Volume 54, Number 4 (July 2001)
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    Upland erosion under a simulated most damaging storm

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    Author
    Linse, S. J.
    Mergen, D. E.
    Smith, J. L.
    Trlica, M. J.
    Issue Date
    2001-07-01
    Keywords
    sediment deposition
    tillage
    surface roughness
    water erosion
    ground cover
    highlands
    storms
    equations
    rain
    Wyoming
    water quality
    sediment yield
    infiltration
    simulation
    soil texture
    sediment yield
    surface cover
    surface roughness
    eolian sediment
    RUSLE
    non-point-source pollution
    water quality
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    Citation
    Linse, S. J., Mergen, D. E., Smith, J. L., & Trlica, M. J. (2001). Upland erosion under a simulated most damaging storm. Journal of Range Management, 54(4), 356-361.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/643880
    DOI
    10.2307/4003103
    10.2458/azu_jrm_v54i4_linse
    Additional Links
    https://rangelands.org/
    Abstract
    A 2 year study was conducted to determine the effects of surface cover and roughness on sediment yield from plots subjected to a simulated most damaging storm. This storm, based on long term sediment records from 3 Wyoming streams, produced approximately 18 mm of precipitation in 15 min with an intensity of 97 mm hour(-1). The rainfall simulator covered 2 plots; each 0.6 by 2 m. Plots were on 9% slopes with highly erosive soils (silt and fine sand texture) on native rangeland in 3 areas of Wyoming. Cover and surface roughness were measured with a point frame. Sediment production typically peaked approximately 120 sec after runoff started and reached steady state within 6 min. Plots with no cover (tilled) seldom produced runoff due to high infiltration and the short duration rainfall. Sediment yield was moderately correlated with total cover for total cover less than 30%, and sediment yield decreased to 0.1 tonnes ha(-1) (assumed allowable soil loss) or less for greater than 30% cover. There was a weak correlation between surface roughness and sediment yield, and surface roughness was slightly correlated with total cover. These results suggested that maintaining at least 30% total cover could control sediment yields from short duration-intense storms. Experimental results also indicated considerably higher sediment yields than those predicted by the Revised Universal Soil Loss Equation or a modified version of that equation.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/4003103
    Scopus Count
    Collections
    Journal of Range Management, Volume 54, Number 4 (July 2001)

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