Browse Report of Investigation - Illinois State Water Survey by Issue Date

  • Huff, Floyd, A. (Illinois State Water Survey, 1973)
    Metromex is a large-scale investigation of inadvertent weather modification in an urban area, sited at St. Louis. Analyses to date from 2 years of data collected in the 5-year Metromex field program are summarized in this ...

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  • Wang, Wuncheng; Sullivan, William T.; Evans, Ralph L. (Illinois State Water Survey, 1973)
    Various techniques were used to measure the algal growth potential (AGP) of Illinois surface waters, and correlation analyses showed the filterable organic mass to be the most reliable criterion. The dry weight of organic ...

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  • Butts, Thomas A. (Illinois State Water Survey, 1974)
    Oxygen demand characteristics of bottom sediments for a 113-mile reach of the Upper Illinois Waterway were measured in situ at 22 locations in order to assess the effects of such demand on the dissolved oxygen resources ...

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  • Lin, S.D. (Illinois State Water Survey, 1974)
    Total coliform (TC), fecal coliform (FC), and fecal streptococcus (FS) recoveries in chlorinated secondary sewage effluents were investigated by the membrane filter (MF) and multiple-tube (most probable number, MPN) methods. ...

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  • Sasman, R.T.; Benson, Curtis R.; Dzurisin, Gregory L.; Risk, N.E. (Illinois State Water Survey, 1974)
    Large supplies of groundwater are developed from three aquifer systems in northern Illinois for public, industrial, and domestic uses. Sand and gravel and shallow dolomite aquifers are generally encountered at depths less ...

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  • Jones, Douglas M.A.; Huff, Floyd A.; Changnon, Stanley A., Jr. (Illinois State Water Survey, 1974)
    Studies involving precipitation in Illinois have shown the presence of 10 to 15 percent more precipitation in the average annual precipitation pattern in the Shawnee Hills area of southern Illinois than in nearby ftatlands. ...

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  • Humphreys, Harold W.; Adams, J. Rodger; Bhowmik, Nani G. (Illinois State Water Survey, 1974)
    The Illinois State Water Survey in cooperation with the City of Chicago studied the flow characteristics in a hydraulic model of one of the sixteen settling basins in the Central Water Filtration Plant (CWFP). The study ...

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  • Changnon, Stanley, A.; Semonin, Richard, G. (Illinois State Water Survey, 1975)
    In the analysis of METROMEX field data, nine rain periods (case days) in 1972 and 1973 were chosen for in-depth investigations aimed to better define the urban-related mechanisms that cause the summer rainfall in and east ...

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  • Lin, S.D.; Evans, R.L.; Beuscher, Davis B. (Illinois State Water Survey, 1975)
    During the period October 1971 to September 1973, samples of water from 35 Illinois streams at 41 locations were collected monthly and examined to determine the type, genera, and concentration of algae. Data for the 2-year ...

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  • Butts, Thomas A.; Evans, Ralph L.; Lin, Shun Dar (Illinois State Water Survey, 1975)
    The dissolved oxygen resources of the Upper Illinois Waterway are depressed because of a combination of oxygen demand sources including carbonaceous and nitrogenous BOD, benthic biological extraction, and sediments. Because ...

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  • Schicht, Richard, J.; Adams, J. Rodger; Stall, John B. (Illinois State Water Survey, 1976)
    This report summarizes studies of the water resources of northeastern Illinois, a 3700–square–mile area including Cook, Du Page, Kane, McHenry, Lake, and Will Counties. Water resources consist of Lake Michigan water, surface ...

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  • Huff, Floyd A.; Vogel, John L. (Illinois State Water Survey, 1976)
    This report presents the results of an investigation of the distribution of heavy rainstorms in the Chicago urban area and the surrounding six counties, based on available historical rain data (primarily 1949-1974). The ...

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  • Roseboom, Donald P.; Richey, Dorothy, L. (Illinois State Water Survey, 1977)
    Ninety-six hour residual chlorine bioassays were conducted on bluegill and channel catfish. In 96-hr acute toxicity studies with ammonia (NH3 -N) bass, in addition to bluegill and channel catfish, were included. The studies ...

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  • Singh, Krishnan P. (Illinois State Water Survey, 1977)
    The U.S. Army Corps of Engineers, St. Louis District, has been regulating Lake Shelbyville and Carlyle Lake on the Kaskaskia River in Illinois for recreation and flood control since completion of the dams in 1969 and 1967, ...

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  • Changnon, Stanley A., Jr.; Changnon, David (Illinois State Water Survey, 1978)
    The Midwest, including Illinois, experienced in 1977-1978 its most severe winter since weather records began in the early Nineteenth Century. Illinois had a record-breaking number of 18 severe winter storms; 4 such storms ...

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  • Lin, S.D. (Illinois State Water Survey, 1978)
    A membrane filter (MF) method for fecal coliform (FC) in chlorinated wastewater effluents was developed and evaluated with 10 different types of MFs. A membrane is transferred onto M-FC agar for incubation at 44.5°C for ...

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  • Lin, S.D.; Evans, R.L.; Beuscher, Davis B. (Illinois State Water Survey, 1978)
    During the 5-year period, October 1971 through September 1976, samples of water from 21 Illinois streams at 26 locations were collected monthly and examined to determine the concentration and genera of algae. Data have ...

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  • Bhowmik, Nani G. (Illinois State Water Survey, 1979)
    The hydraulics of flow was investigated at two reaches in the Kaskaskia River. The discharge varied from 58 to 4000 cfs and the flow frequency varied from 5 to 88 percent. The head loss varied from 0.96 ft/ mile for high ...

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  • Huff, Floyd A. (Illinois State Water Survey, 1979)
    This report provides a summary of available information on heavy rainstorms in Illinois obtained from analyses of data from various sources. These include climatological records of the National Weather Service, field surveys ...

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  • Sonka, Steven T. (Illinois State Water Survey, 1979)
    This report first discusses gross benefits and costs of potential weather modification activities and the elements vital to a credible economic analysis of such activities. It then reviews and evaluates more than 60 existing ...

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