| EFFECTIVE DISCHARGE CALCULATION GUIDE |
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| 作者姓名： | D. S. BIEDENHARN C. R. THORNE P.J.SOAR. R.D.HEY and C. C. WATSONS Engineer U.S. Army Corps of Engineers Waterways Experiment Station Vicksburg MS USA. Professor School of Geography University of Nottingham Nottingham NG RD UK. Prof |
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| 作者单位： | D. S. BIEDENHARN，C. R. THORNE，P.J.SOAR.，R.D.HEY，and C. C. WATSONS 1 Engineer，U.S. Army Corps of Engineers，Waterways Experiment Station，Vicksburg，MS 39180，USA. 2Professor School of Geography，University of Nottingham，Nottingham NG7 2RD，UK. 3 Prof |
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| 摘 要： | 1 mTRonvcnox: moareS Aun CoxcmSAJluvial rivers have the pOtenhal to adjust their shaPe and dimensions to all flows that tranSPOrtsediment, but Inglis (l94l) suggested that, for rivers that are in regime, a single steady flow could beidenhfied which would Produce the same bankfll dimensions as the natural sequence of events. Hereferrd to this now as the dondnan discharge.Wolman and Mller (l960) idenhfied that the flow doing most bed material transPort over a period ofyears may be taken tO…
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EFFECTIVE DISCHARGE CALCULATION GUIDE |
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| D. S. BIEDENHARN,C. R. THORNE,P.J.SOAR.,R.D.HEY,and C. C. WATSONS Engineer,U.S. Army Corps of Engineers,Waterways Experiment Station,Vicksburg,MS ,USA. Professor School of Geography,University of Nottingham,Nottingham NG RD,UK. Prof.EFFECTIVE DISCHARGE CALCULATION GUIDE[J].International Journal of Sediment Research,2001,16(4). |
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| Authors: | DSBIEDENHARN CRTHORNE PJSOAR RDHEY CCWATSON |
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| Abstract: | This paper presents a procedure for calculating the effective discharge for rivers with alluvial channels. An alluvial river adjusts the bankfull shape and dimensions of its channel to the wide range of flows that mobilize the boundary sediments. It has been shown that time-averaged river morphology is adjusted to the flow that, over a prolonged period, transports most sediment. This is termed the effective discharge. The effective discharge mayo be calculated provided that the necessary data are available or can be synthesized. The procedure for effective discharge calculation presented here is designed to have general applicability, have the capability to be applied consistently, and represent the effects of physical processes responsible for determining the channel. dimensions. An example of the calculations necessary and applications of the effective discharge concept are presented. |
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| Keywords: | Bankfull discharge Effective discharge Hydraulic geometry Regime theory River engineering River management |
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