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    Author(s): R. R. Ziemer
    Date: 1992
    Source: In: Erosion, Debris Flows and Environment in Mountain Regions, Proceedings of the Chendu Symposium, July 1992, Chendu, China. International Association of Hydrological Sciences Publication no. 209. Wallingford, UK; 187-197.
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (162 KB)

    Description

    Abstract - Three zero-order swales, each with a contributing drainage area of about 1 ha, were instrumented to measure pipeflows within the Caspar Creek Experimental Watershed in northwestern California, USA. After two winters of data collection, the second-growth forest on two of the swales was clearcut logged. The third swale remained as an uncut control. After logging, peak pipeflow was about 3.7 times greater than before logging. Before logging, little sediment was transported through the pipes. Suspended sediment concentrations before logging were less than 20 mg l -1 and coarse-grained sediment was rare. After logging, there was great spatial and temporal variability in sediment transport. Sediment loads increased dramatically from some pipes during some storms, but from other pipes, sediment discharge remained unchanged after logging.

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    Citation

    Ziemer, R. R. 1992. Effect of logging on subsurface pipeflow and erosion: coastal northern California, USA. In: Erosion, Debris Flows and Environment in Mountain Regions, Proceedings of the Chendu Symposium, July 1992, Chendu, China. International Association of Hydrological Sciences Publication no. 209. Wallingford, UK; 187-197.

    Keywords

    PSW4351, Caspar Creek, erosion, swales, drainage, soil piping, suspended sediment

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