Abstract
There are a variety of techniques for estimating the parameters x and K of the Muskingum method of flood routing. One common difficulty in all the approaches is that different storm sequences along the same river reach would typically yield different parameter estimates. The a statistical analysis of these parameters also shows that they are highly variable. As a result achieving of a high level accuracy may not be the principle issue in describing x and K. This paper presents two approximate methods for estimating these parameters rather easily. The first method requires the computation of the slopes of the inflow and outflow hydrographs at their point of intersection, and the computation of the maximum storage within the reach. The second method requires the computation of the inflow and outflow hydrographs at two specific points. Three case studies investigated show that the first method gives estimates for the Muskingum parameters comparable to those derived by traditional estimation procedures for hydrographs showing linear characteristics.
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Al-Humoud, J.M., Esen, I.I. Approximate Methods for the Estimation of Muskingum Flood Routing Parameters. Water Resour Manage 20, 979–990 (2006). https://doi.org/10.1007/s11269-006-9018-2
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DOI: https://doi.org/10.1007/s11269-006-9018-2