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  • All fields: (ISWS)
(194 results)



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    • Sidestream elevated pool aeration (SEPA) stations: effects on in-stream dissolved oxygen

    • 2000; Butts, Thomas A., Dana B. Shackleford, and Thomas R. Bergerhouse; ISWS CR 2000-02; Reservoir; Water -\- Aeration; Water -\- Dissolved oxygen; Waterloo Reservoir (ISWS - Monroe County)
    • As a result of increased pollutant loading and low in-stream velocities, dissolved oxygen (DO) levels in the Chicago waterways historically have been low. In 1984, the Metropolitan Water Reclamation District of Greater Chicago (MWRDGC) issued a...
    • Evaluation of the potential for photovoltaic power generation in Illinois

    • 2006; ISWS IEM 2006-05; Rockett, Angus, Robert W. Scott.; Solar energy
    • Solar power production was estimated from hourly solar insolation data collected at 19 sites across Illinois from 1991-2004 by the Illinois State Water Survey (ISWS). Values were compared with more limited, experimental data and a solar radiation...
    • Hydrologic modeling of the Court Creek watershed

    • 2000; Borah, Deva K., and Maitreyee Bera; Court Creek; Hydrologic models; ISWS CR 2000-04; Stream
    • Flooding, upland soil and streambank erosion, sedimentation, and contamination of drinking water from agricultural chemicals (nutrients and pesticides/herbicides) are critical environmental problems in Illinois. Upland soil erosion causes loss of...
    • Sedimentation survey of Lake Paradise and Lake Mattoon, Mattoon, Illinois

    • 2003; Bogner, William C.; ISWS CR 2003-04; Lake Mattoon; Lake Paradise; Little Wabash River; Reservoir; Reservoir sedimentation; Sediment transport; Stream
    • The Illinois State Water Survey (ISWS) conducted sedimentation surveys of Lake Paradise and Lake Mattoon during 2001 in support of an Illinois Clean Lakes Program diagnostic/feasibility study to provide information on the storage and sedimentation...
    • Streamflow assessment model for the Little Wabash River Watershed : hydrologic analysis

    • 2001; Auxier Creek; Big Muddy Creek; Borah Lake; CIPS Lake; Canal; East Fork Lake (ISWS - Richland County); Elm River; Forbes Lake; Fox River (Richland County); Goose Pond (Wayne County); Greendale Lake; Horse Creek; ISWS CR 2001-14; Illinois...
    • The Illinois Streamflow Assessment Model (ILSAM) is an analytical and information tool developed to predict the frequency of streamflows, and water use impacts on streamflows, for every stream in selected major watersheds in Illinois. The current...
    • Illinois climate

    • 2002; ISWS IEM 2002-01
    • Brochure describing the Illinois State Climatologist, which is located in Champaign, Illinois, at the Illinois State Water Survey (ISWS). The ISWS, a division of the Illinois Department of Natural Resources Office of Scientific Research and...
    • The Illinois River Decision Support System (ILRDSS)

    • 1999; Demissie, Misganaw, Yiping Guo, H. Vernon Knapp, and Nani G. Bhowmik; Hydrologic models; ISWS CR-648; Illinois River; Illinois Waterway; Reservoir; Stream; Water levels; Water quality management; Watersheds -\- Mathematical models
    • The Illinois River has become the focus of state and federal agencies interested in integrated management of watersheds. Issues related to habitat restoration, floodplain management, navigation, erosion and sedimentation, water quality, and point...
    • Sedimentation survey of the Morton Arboretum Lakes, DuPage County, Illinois

    • 1999; Bogner, William C., and K. Erin Hessler; ISWS CR-638; Lake; Lake Marmo (ISWS - DuPage County); Meadow Lake; Morton Arboretum; Park; Sterling Pond; Stream; Willoway Brook (ISWS - DuPage)
    • The Illinois State Water Survey conducted a sedimentation and hydrographic survey of three small lakes at The Morton Arboretum in Lisle, Illinois, during the summer of 1998. The survey was undertaken in support of an Illinois Clean Lakes Program...
    • Sediment and water quality monitoring for the Vermilion River and Little Vermilion River watersheds

    • 2003; ISWS CR 2003-06; Keefer, Laura; Little Vermilion River; Runoff; Stream; Stream measurements; Streamflow; Suspended sediments; Vermilion River (Vermilion); Water -\- Nitrogen content
    • The Vermilion River and Little Vermilion River watersheds lie in seven counties in east-central Illinois and west-central Indiana. The drainage areas of the Vermilion River and Little Vermilion River at their confluences with the Wabash River are...
    • Shallow groundwater quality sampling in Kane County, October 2003.

    • 2005; Drinking water -\- Contamination; Groundwater -\- Quality; ISWS IEM 2005-01; Kelly, Walt R.; Water quality; Wells -\- Sampling
    • In October 2003, Illinois State Water Survey (ISWS) scientists collected water samples from 70 shallow domestic and industrial wells in Kane County for analysis of groundwater quality. The primary objectives were to provide a 'snapshot' of water...

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