Lecture 20

Lecture 20 - Prepared by T Wagener& P Reed Penn State...

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Unformatted text preview: Prepared by T. Wagener & P. Reed Penn State University May 31, 1889 ater Resources Water Resources Engineering 1- Lecture 20 Reservoir and treamflow Routing Streamflow Routing 2 … ontent Content outing 1. Routing 2. Hydrologic Reservoir Routing • Level pool routing 3. Hydrologic River Routing • Muskingum method 4. [Hydraulic (Distributed) Routing] 3 outing Routing Flow routing is the procedure to determine the time and magnitude of flow at a point on a watercourse from known or assumed hydrographs at one or more points upstream. 4 Hydrologic River Routing 5 uskingum Method Muskingum Method is a commonly used hydrologic routing method … is a commonly used hydrologic routing method that is based upon a variable discharge-storage relationship . It uses a wedge and prism storage combination to model the flood volume in a channel reach. 6 uskingum Method The same approach shown in a different schematic figure: Muskingum Method 7 uskingum Method Muskingum Method uring the dvance f a flood advance of flood wave During the advance of a flood wave, inflow exceeds outflow, producing a wedge of storage. recession of flood wave During the recession , outflow exceeds inflow, resulting in a egative wedge negative wedge . In addition, there is a prism of torage at is formed by a volume prism of storage storage that is formed by a volume of constant cross-section along the length of prismatic channel. 8 uskingum Method Muskingum Method Assume: Cross-sectional area of flood flow ~ discharge at the section roportionality coefficient (approximately travel time through reach)...
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This note was uploaded on 04/11/2008 for the course C E 361 taught by Professor Reed,patrickmichwalters,geoffrey during the Spring '07 term at Penn State.

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Lecture 20 - Prepared by T Wagener& P Reed Penn State...

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