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    Author(s): James E. Douglass
    Date: 1974
    Source: Gen. Tech. Rep. SE-4. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 22 p.
    Publication Series: General Technical Report (GTR)
    Station: Southeastern Forest Experiment Station
    PDF: View PDF  (804 KB)

    Description

    A method is presented for predicting flood discharge from the forested Blue Ridge Mountains of North Carolina for storms at recurrence intervals of 2.33, 5, 10, 20, 30, 40, and 50 years. These predictions are based on area and maximum elevation of the drainage. Once storm discharge has been estimated, the proper size of culvert can be determined from tables which list the discharge capacity of several types of culverts. Dimensions of the waterway area of bridges can also be estimated. Although these results were derived for the mountains of North Carolina, inclusion of discharge data from forested drainages of north Georgia, northwest South Carolina, and east Tennessee might be used to recalculate discharge relationships which would be applicable to a larger geographic area of the southern Appalachians.

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Douglass, James E. 1974. Flood Frequenices and Bridge and Culvert Sizes for Forested Mountains of North Carolina. Gen. Tech. Rep. SE-4. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 22 p.

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