Browse Illinois Water Resources Center by Title

  • Minear, Roger A.; Schneiderman, Steven (University of Illinois at Urbana-Champaign. Water Resources Center, 1974-09)
    Originally, the application of commercially available monothiohexafluoroacetylacetone (HFAS) and its formation of volatile chelates with metals of environmental significance to rapid, multi-element analysis was under ...

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  • Hopkins, Lewis D.; Brill, E. Downey, Jr.; Wong, Benedict D.C. (University of Illinois at Urbana-Champaign. Water Resources Center, 1981-08)
    A technique is presented to generate alternatives that are different from each other, but good with respect to modeled objectives, for problems that can be modeled by dynamic programming. The technique is compared to other ...

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  • 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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  • Hay, Ralph C.; Stall, John B. (University of Illinois at Urbana-Champaign. Water Resources Center, 1974-09)
    For this 1250-square-mile basin in three counties in east-central Illinois, documentation is given for the 105 legal drainage districts formed between 1880 and 1974 to provide for surface drainage. Also traced is the human ...

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  • Lee, Michael C.-Y.; Snoeyink, Vernon L. (University of Illinois at Urbana-Champaign. Water Resources Center, 1980-11)
    Humic substances are a major concern to the water treatment industry because they can cause odor and color problems and are potentially toxic and/or cancinogenic. A commercial humic acid and fulvic acid extracted from peat ...

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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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  • DeLucia, Evan H.; Wolz, Kevin J. (University of Illinois at Urbana-Champaign. Water Resources Center, 2015-02-17)

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

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  • Ewing, Loyd K. (University of Illinois at Urbana-Champaign. Water Resources Center, 1989)
    The CREAMS (Chemicals, Runoff and Erosion from Agricultural Management Systems) model was evaluated for predicting runoff and sediment delivery from central Illinois fields without calibration. CREAMS was found to be fairly ...

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  • Ditton, Robert B. (University of Illinois at Urbana-Champaign. Water Resources Center, 1969-07)
    The literature dealing with the recreational aspects of water is fragmented to such a degree that it presents a weak foundation for future research. Therefore, this study integrates and summarizes the existing interdisciplinary ...

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  • Sparks, Richard E.; Sandusky, Michael J.; Paparo, Anthony A. (University of Illinois at Urbana-Champaign. Water Resources Center, 1981-03)
    Water samples taken from the Illinois River on 5 October and 22 April 1977 inhibited the beating of the cilia on isolated clam gills, within two hours of exposure. The April sample was significantly more toxic than the ...

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  • Sparks, Richard E.; Sandusky, Michael J.; Paparo, Anthony A. (University of Illinois at Urbana-Champaign. Water Resources Center, 1983-04)
    The purpose of this research was to determine why fingernail clams have been unable to recolonize a 100-mile reach of the Illinois River where they were abundant prior to a die-off in the 1950's. Fingernail clams are major ...

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  • Yen, Ben Chie; Cheng,Shiu-Tuang; Jun, Ryong-Iio; Voorhees, Michael L.; Wenzel, Harry G., Jr.; Larry W. Mays (University of Illinois at Urbana-Champaign. Water Resources Center, 1984-05)
    ILSD models are sewer system models for least-cost optimal design of the entire system. ILSD-1 designs for a specified layout the size and slope of the sewers with or without detention storages with user supplied rainfall ...

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  • Sevuk, A. Suha; Yen, Ben Chie; Peterson, Gordon E. (University of Illinois at Urbana-Champaign. Water Resources Center, 1973-10)
    The Illinois Storm Sewer System Simulation Model is a mathematical model for sewer design and flow prediction utilizing the Saint Venant equations to route unsteady flows through tree-type sewer networks. An overlapping ...

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