Browse Illinois Water Resources Center - Hydrology and Hydraulics by Title

  • Jones, Douglas M.A.; Meredith, Dale D. (University of Illinois at Urbana-Champaign. Water Resources Center, 1972-04)
    Monthly estimates of precipitation on each lake, evaporation from each lake surface, and runoff into each lake from surrounding land areas are developed for the Great Lakes for calendar years 1946 through 1965. Overlake ...

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  • Yang, Chih Ted; Stall, John B. (University of Illinois at Urbana-Champaign. Water Resources Center, 1975-06)
    A standard procedure for determining the distribution and variation of the heat assimilative capacity of a river has been developed. Hydraulic geometry equations for the Sangamon River Basin are used to provide the necessary ...

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  • Bhowmik, Nani G.; Stall, John B. (University of Illinois at Urbana-Champaign. Water Resources Center, 1979-09)
    Hydraulic geometry relationships for floodplains of nine river basins in Illinois and four river basins outside of the state were developed. Relationships between floodplain width, cross-sectional area, surface area, depth, ...

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  • Stall, John B.; Yang, Chih Ted (University of Illinois at Urbana-Champaign. Water Resources Center, 1972-07)
    Unit stream power defined as the time rate of potential energy expenditure per unit weight of water of a natural stream has been studied intensively in this report. It is shown that the distribution and variation of unit ...

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  • Stall, John B.; Yang, Chih Ted (University of Illinois at Urbana-Champaign. Water Resources Center, 1970-07)
    Channel characteristics of stream systems have been evaluated for 12 river basins in the humid region of the United States. Basins vary in size from 1532 to 8410 square miles, and river slopes from 1.56 to 107 feet per ...

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  • Stall, John B.; Fok, Yu-Si (University of Illinois at Urbana-Champaign. Water Resources Center, 1968-07)
    A consistent pattern has been evaluated in which the width, depth, and velocity of flow in a stream change along the course of the stream with a constant frequency of discharge. These channel characteristics are termed ...

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  • Yen, Ben Chie; Liou, Ying-Chang (University of Illinois at Urbana-Champaign. Water Resources Center, 1969-07)
    An analytical study was conducted for the determination of the Weisbach resistance coefficient for flow in sand-bed straight channels. Available experimental data were reanalyzed based on dimensional analysis and fluid ...

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  • Changnon, David; Haberlie, Alex (University of Illinois at Urbana-Champaign. Water Resources Center, 2014-12)
    This study sought to characterize the impact of tropical system precipitation on streamflow values measured in nine Illinois watersheds and determine whether a predictive model based on antecedent and expected rainfall ...

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  • Meredith, Dale D. (University of Illinois at Urbana-Champaign. Water Resources Center, 1974-03)

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  • Melching, Charles Steven; Yen, Ben Chie; Wenzel, Harry G., Jr. (University of Illinois at Urbana-Champaign. Water Resources Center, 1987-09)
    Floods have become the most prevalent and costly natural hazards in the U.S. When preparing real-time flood forecasts for a catchment flood warning and preparedness system, consideration must be given to four sources of ...

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  • Rhoads, Bruce; Garcia, Marcelo (University of Illinois at Urbana-Champaign. Water Resources Center, 2013)

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  • Kown, Bong Taick (University of Illinois at Urbana-Champaign. Water Resources Center, 1967-10)

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  • Fitzgerald, Steven D.; Holley, Edward R. (University of Illinois at Urbana-Champaign. Water Resources Center, 1979-12)
    In order to mix an additive or a tracer with the fluid flowing in a pipe, it may be desirable to avoid the energy required and the possible maintenance problems for mixers or obstructions in a pipe and to avoid the relatively ...

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  • Miller, Barbara A.; Wenzel, Harry G. (University of Illinois at Urbana-Champaign. Water Resources Center, 1984-09)
    The investigation of the low flow condition has become important in recent years as a means of determining critical levels of water pollution, aquatic habitat and instream flow needs. To assess these critical conditions, ...

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  • Maxwell, W. Hall C.; Snorrason, Arni (University of Illinois at Urbana-Champaign. Water Resources Center, 1981-01)
    Previous measurements of the velocity field in the vicinity of two intersecting submerged turbulent jets provided evidence that, contrary to the usual assumptions, intersecting flows may not necessarily be combined using ...

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  • Wang, Raymond Chun-Tsung; Wenzel, Harry G., Jr. (University of Illinois at Urbana-Champaign. Water Resources Center, 1970-01)
    This report represents a first step in the theoretical analysis of sheet flow with rainfall impinging on the free surface. This is a common occurrence in urban areas and many design procedures do not recognize the added ...

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  • Maxwell, W. Hall C.; Chang, Kuo-Cheng (University of Illinois at Urbana-Champaign. Water Resources Center, 1971-07)
    This analytic study used a generalization of Reichardt's hypothesis by Alexander, Baron & Comings to develop a unified treatment for the synthesis of diffusion patterns for mass, heat and momentum. The technique was applied ...

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  • Wenzel, Harry G.; Mathews, Michael J. (University of Illinois at Urbana-Champaign. Water Resources Center, 1968-01)
    The application of a method of velocity determination in an open channel using a microscope and camera to record the motion of small particles suspended in water is described. Velocity measurements were made in a series ...

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  • Wenzel, Harry G.; Chang, Kuo C. (University of Illinois at Urbana-Champaign. Water Resources Center, 1970-04)
    A method for velocity measurement is described which employs a microscope and high speed motion picture camera to record the motion of small tracer particles suspended in the flow. The procedure, termed the image method, ...

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