Incorporation of Channel Losses in the Geomorphologic IUH
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10791290.pdf
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3.73 MB
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54559b85a1fa944d7b5ee913bc23d9c7
Author(s)
Diaz-Granados, Mario A.
Bras, Rafael L.
Valdes, Juan B.
Date Issued
July 1983
Publisher
Cambridge, Mass. : Ralph M. Parsons Laboratory, Hydrology and Water Resource Systems, Massachusetts Institute of Technology, Dept. of Civil Engineering
Series/Report no.
R (Massachusetts Institute of Technology. Department of Civil Engineering) ; 83-10.
Report (Ralph M. Parsons Laboratory for Water Resources and Hydrodynamics) ; 293.
TAP report
Abstract
The infiltration losses along the streams of a basin are included into the Instantaneous Unit Hydrograph (IUH). The IUH is derived as a function of the basin geomorphologic and physiographic characteristics, and the response of the individual channels to upstream and lateral inflows. This response is obtained by solving the linearized continuity and momentum equations, including infiltration losses terms, for the boundary conditions established by the definition of a linear system response to an instantaneous unit input. A methodology is proposed for the estimation of the parameters involved in the channel response. Based on this result, a procedure is suggested to include infiltration losses in the common linear reservoir representation of channel segments. Comparisons indicate that this approximation is adequate
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Scanning notes: Disclaimer inserted for illegible graphs and text.
This study was sponsored by the MIT Technology Adaptation Program, which is funded through a grant from the Agency for International Development, United States Department of State.
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