A DEFINITION OF DOMINANT DISCHARGE |
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| Authors: | M A BENSON D M THOMAS |
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| Institution: | U. S Geological Survey , Washington, D. C. |
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| Abstract: | ABSTRACT The concept of dominant (stream) discharge in geomorphology has not been firmly defined. By defining it, on rational grounds, as that discharge at which, over a long period of time, most sediment has been transported, a definite value can be computed for a stream for which there are available duration-curve values of daily discharge and a sediment-rating curve. This has been done for 5 eastern and 4 western rivers. The dominant discharge, when expressed in terms of percentage duration, is remarkably consistent, and is found to be a lower discharge than has generally been considered as dominant. |
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