Effects of Streambed Processes on Interaction Between Surface and Groundwater

by A. B. Cunningham, Montana State Univ, Bozeman, MT, USA,
C. J. Anderson, Montana State Univ, Bozeman, MT, USA,
H. Bouwer, Montana State Univ, Bozeman, MT, USA,

Document Type: Proceeding Paper

Part of: Development and Management Aspects of Irrigation and Drainage Systems


In open channel systems, the phenomena commonly referred to as 'clogging' is caused by settling of sediment and straining of suspended material as water moves through the sediment layer into the soil, and microbial transport and colonization and other biological action. This paper summarizes a three-year laboratory flume investigation of the clogging process as it occurs in sediment-laden open channel flow. Significant results include experimental relationships developed between major independent variables (i. e. flow velocity, suspended sediment concentration, and suspended sediment particle size distribution) and the hydraulic conductivity reduction occurring through a sand bed filter located in the bottom of a recirculating laboratory flume.

Subject Headings: Suspended sediment | Groundwater | Open channel flow | Flumes | Particle velocity | Velocity distribution | Particle size distribution | Sand filters

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