Browse Illinois Water Resources Center by Title

  • Provenzano, George (University of Illinois at Urbana-Champaign. Water Resources Center, 1977-07)
    Barring major technological changes in available processes, projected expansion of energy production will utilize substantially increased quantities of water. In many areas of the country, planning will be needed to ...

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  • Rittmann, Bruce E.; Brunner, Craig W. (University of Illinois at Urbana-Champaign. Water Resources Center, 1982-10)
    When wastewater is discharged to small streams, the effluent quality normally obtained from a sewage treatment plant is often not good enough to prevent serious water-quality deterioration. Hence, enhanced removal of organic ...

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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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  • TerHaar, Monte J.; Herricks, Edwin E. (University of Illinois at Urbana-Champaign. Water Resources Center, 1989-10)
    Drainage improvements in agricultural watersheds have extensively modified midwestern streams and rivers and the flora and fauna associated with these water resources. The alteration of low order streams in Central Illinois ...

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  • Nakamura, Masahisa; Brill, E. Downey, Jr. (University of Illinois at Urbana-Champaign. Water Resources Center, 1977-11)
    A mathematical method presented here deals with regionalization of wastewater systems, a complex public sector planning problem. The method proposed focuses on generating alternative physical plans efficiently and ...

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  • Tang, Chi-Chung; Brill, E. Downey, Jr.; Pfeffer, John T. (University of Illinois at Urbana-Champaign. Water Resources Center, 1984-11)
    A mathematical framework is developed for use in the design of a secondary wastewater treatment system. Mathematical models predicting the performance of various unit processes are used to construct a comprehensive system ...

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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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  • Ando, Amy W.; Londoño, Catalina (University of Illinois at Urbana-Champaign. Water Resources Center, 2013)

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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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  • Booth, Alfred W.; Voeller, Don (University of Illinois at Urbana-Champaign. Water Resources Center, 1967-03)
    Drought invariably infers a shortage of moisture in one context or another, wherein a situation of stress evolves; and attempts have been made to develop a procedure whereby the relative and absolute impact of this phenomenon ...

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  • Yen, Ben Chie (University of Illinois at Urbana-Champaign. Water Resources Center, 1973-08)
    Increasing public concern on urban storm water quantity and quality problems demands a thorough review of the methodologies for flow prediction and design of urban storm drainage systems and development of improved ...

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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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  • Chang, Shoou-Yuh; Brill, E. Downey, Jr.; Hopkins, Lewis D. (University of Illinois at Urbana-Champaign. Water Resources Center, 1981-07)
    An optimization model is generally not a perfect representation of a complex water resources planning problem because not all important issues can be captured in a model. Optimization models can be used in a planning process ...

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  • Wang, Yi-Tin; Suidan, Makram T.; Rittmann, Bruce E. (University of Illinois at Urbana-Champaign. Water Resources Center, 1983-10)
    A completely mixed, expanded-bed, anaerobic granular activated carbon filter was operated on synthetic wastewaters in which acetate was the only organic carbon source. Steady-state performance was achieved for two influent ...

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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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  • Hopkins, Lewis D.; Goulter, Ian C.; Kurtz, Kenneth B.; Wenzel, Harry G., Jr.; Brill, E. Downey, Jr. (University of Illinois at Urbana-Champaign. Water Resources Center, 1980-01)
    A target land use pattern found using a dynamic programming model is shown to be a useful reference for comparing the success of floodplain management policies. At least in the test case, there is interdependence in the ...

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  • Thacker, William E.; Snoeyink, Vernon L.; Crittenden, John C.; William E. Thacker, Vernon L. Snoeyink, John C. Crittenden (University of Illinois at Urbana-Champaign. Water Resources Center, 1981-07)
    A mathematical model of fixed-bed adsorption was used to predict the bed response to a sustained step change in influent concentration. The model was employed to compare the performance of different adsorbents in the removal ...

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  • Alavian, Vahid; Broeren, Sally M.; Bintz, David W. (University of Illinois at Urbana-Champaign. Water Resources Center, 1983-10)
    State-of-the-art of hydraulic and water quality modeling in streams and rivers does not include the role of large, slowly circulating regions in dilution and transport of effluents discharged in such water bodies. Examples ...

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