Browse Illinois Water Resources Center - Hydrology and Hydraulics by Title

  • Non-Darcy flow characteristics of water as influenced by clay concentration 
    Miller, Raymond J.; Overman, Allen R.; Peverly, John H. (University of Illinois at Urbana-Champaign. Water Resources Center, 1968-06)
    The flow of water through saturated samples of montmorillonite and kaolinite was studied to help clarify the existence and nature of non-Darcian flow. No threshold gradients were found in any of the samples studied. Non-Darcy ...

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  • A physically-based bank erosion model for composite river banks: Application to Mackinaw River, Illinois 
    Waterman, David M.; Garcia, Marcelo H.; Chow, Ven Te (University of Illinois at Urbana-Champaign. Water Resources Center, 2013-05)
    Meandering river migration over large spatial and temporal scales has traditionally been numerically simulated using a bank erosion submodel that calculates the eroding bank migration rate as the product of the near-bank ...

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  • Secondary circulation in natural streams 
    Demissie, M.; Soong, T.W.; Bhowmik, N.G.; Fitzpatrick, W.P.; Maxwell, W. Hall C. (University of Illinois at Urbana-Champaign. Water Resources Center, 1986-07)
    Secondary circulation which is sometimes referred to as secondary flow, secondary current or transverse current is an important phenomenon in natural streams and plays an important role in many natural processes in streams ...

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  • Spatially varied open-channel flow equations 
    Yen, Ben Chie (University of Illinois at Urbana-Champaign. Water Resources Center, 1971-12)
    Recent development and improvement in numerical techniques and computer capability enables more accurate numerical solutions of spatially varied flow problems such as various phases of urban storm runoffs. Consequently, ...

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  • Study of stratified overflows and underflows 
    Maxwell, W. Hall C.; Holley, Edward R.; Lin, Chi-Yu; Tekeli, Sahim (University of Illinois at Urbana-Champaign. Water Resources Center, 1975-02)
    The study presents a general analysis of two-layered stratified flows taking into account effects of sidewall friction and variation of density with horizontal distance. The analysis is applied to the study of arrested ...

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  • Subsurface flow in a southern Illinois fragipan soil 
    Boggess, W.R.; Verry, Elon S., Jr. (University of Illinois at Urbana-Champaign. Water Resources Center, 1967-02)
    In an eight-year study of precipitation and water-yield relationships on the Lake Glendale Watershed, Boggess et al (1965) suggested that the nature of the underlying fragipan soil had a significant effect on the flow ...

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  • Transport processes of particles in dilute suspensions in turbulent water flow–phase I 
    Jones, Barclay G.; Beoletto, James A.; Meek, Charcles C.; Ostensen, Raymond J.; Robin, Ronald (University of Illinois at Urbana-Champaign. Water Resources Center, 1971-03)
    Modifications to an existing experimental system have been made and have been demonstrated to provide the required resolution and variable parameterization necessary for a detailed study of dilute particle suspensions in ...

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  • Transport processes of particles in non-dilute suspensions in turbulent water flow—phase I: Experimental measurements 
    Jones, Barclay G.; Gronager, John E. (University of Illinois at Urbana-Champaign. Water Resources Center, 1980-03)
    Increased utilization of non-dilute, solid-fluid suspensions in transporting materials and in estimating the distribution of particles from atmospheric fallout, demands that the basic fluid-particle interactions be thoroughly ...

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  • Unit stream power for sediment transport in natural rivers 
    Yang, Chih Ted; Stall, John B. (University of Illinois at Urbana-Champaign. Water Resources Center, 1974-07)
    The relationship between rate of sediment transport and rate of potential energy expenditure has been studied in detail. Unit stream power, defined as the time rate of potential energy expenditure per unit weight of water, ...

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  • Variation of Manning’s coefficient with channel stage 
    Soong, Ta-Wei; DePue, Perry Michael, II (University of Illinois at Urbana-Champaign. Water Resources Center, 1996-06)
    Although Manning's roughness coefficient is known to vary with river stage, information on this aspect is limited, and practitioners have to resort to trial-and-error approaches or rely on their judgment to quantify the ...

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  • Waves generated by river traffic and wind on the Illinois and Mississippi Rivers 
    Bhowmik, Nani G.; Demissie, M.; Guo, Chwen-Yuan (University of Illinois at Urbana-Champaign. Water Resources Center, 1982-03)
    An excessive amount of bank erosion along a number of waterways in Illinois and surrounding states exists at the present time. Erosion of stream banks attracts public attention, reduces property values, results in the ...

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