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Comparison of Some River Discharge Calculation Methods

by Abdolkarim Behnia, Shahid Chamran Univ, Ahvaz, Iran, Shahid Chamran Univ, Ahvaz, Iran,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

To measure the discharge of a river, it is necessary to develop a stage-discharge curve based on water velocity at various cross sections of the river. This is the method which is used in many countries including the United States, Iran and China. However, the mean velocities assigned to subareas in the river across section and at the edge subareas are chosen differently in each country. Velocity measurements for the Colorado river in the State of Colorado taken for a three-year duration are selected to compute the river discharge using two Fortran computer programs developed by the author for the American and Iranian methods. Comparison is made between the two methods using the Wilcoxon signed-rank test.

Subject Headings: Rivers and streams | Water discharge | Water discharge measurement | Fluid velocity | High-rise buildings | Curvature | Computing in civil engineering | Asia | Colorado River | United States | Iran | Middle East | China

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