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Publication Abstract

Hydraulics of Flow and Sediment Transport in the Kankakee River in Illinois Bhowmik, Nani G., Allen P. Bonini, William C. Bogner, and Richard P. Byrne, 1980  Illinois State Water Survey, Champaign, IL,  ISWS RI-98    Full Text Available

The hydraulics of flow and sediment transport in the Kankakee River in Illinois were investigated in a 2-year study. The progression of river channelization in Indiana and the behavior of the river in the straightened portion in Indiana and the nonstraightened portion in Illinois were reviewed. Historical data regarding peak, average, and low flows for six gaging stations were analyzed to identify trends. Both deposition and scour occurred at various places on the main stem of the river in Illinois between 1968 and 1978. Median diameters of bed materials of the river ranged from 0.2 to 0.4 mm. Extensive suspended sediment, bed load, and water discharge data were collected and analyzed, and regression equations were developed between water discharge and suspended sediment discharge. For about 60 to 80 days during storm events, the river carries about 80 percent of the yearly sediment load. A number of active sand bars were surveyed. One sand bar near the state line appears to be forming and crossing the state line once a year. A hydrographic map of the Six Mile Pool was developed. A number of preventive and remedial measures to reduce sediment load are outlined in the report.

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