The Role of Hydraulics and Sediment in Large River Ecology

by Nani G. Bhowmik, Illinois State Water Survey, Ground, Water Section, Champaign, IL, USA,
J. Rodger Adams, Illinois State Water Survey, Ground, Water Section, Champaign, IL, USA,
M. Demissie, Illinois State Water Survey, Ground, Water Section, Champaign, IL, USA,



Document Type: Proceeding Paper

Part of: Hydraulics and Hydrology in the Small Computer Age

Abstract:

The National Science Foundation has sponsored a project under the long term ecological research (LTER) program which is called the 'Illinois Rivers' LTER project. Research sites include two reaches of the Mississippi River, Pools 26 and 19, and one reach of the Illinois River within the Peoria Pool. Data on flows and suspended sediment loads from the tributaries and the main stem of the river are being collected. Long term sediment data and sedimentation rates have shown the effects of record flood, drought, and the tendency of the pool toward a state dynamic equilibrium. Steady and unsteady mathematical modeling for the water, sediment, and carbon transport is being done.

Subject Headings: Sediment | Rivers and streams | Ecosystems | Sediment transport | Project management | Hydrologic data | Hydraulic models | Mississippi River | Illinois | United States

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