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    Author(s): C. L. May
    Date: 2002
    Source: Journal of the American Water Resources Association 38(4): 1097-1113.
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (1219 KB)


    Abstract - Debris flows in the Pacific Northwest can play a major role in routing sediment and wood stored on hillslopes and in first- through third-order channels and delivering it to higher-order channels. Field surveys following a large regional storm event investigated 53 debris flows in the central Oregon Coast Range to determine relationships among debris flow characteristics and the age class of the surrounding forest. The volume of sediment and wood delivered by debris flows was strongly correlated with runout length. Debris flows that initiated at roads were significantly longer than non road related failures, and road related landslides were an order of magnitude larger than nonroad related landslides.

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    May, C. L. 2002. Debris flows through different forest age classes in the central Oregon Coast Range. Journal of the American Water Resources Association 38(4): 1097-1113.


    PSW4351, erosion, sedimentation, landslides, debris flows, aquatic ecosystems, forestry, roads, large woody debris

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