Chapter
Apr 26, 2012
Transport of Dissolved Contaminants within a Stream Bed with Bedforms
Publication: Building Partnerships
Abstract
Numerical calculations are performed for the nonsorbing contaminants within a sediment beds with bedforms. The effects of channel slope, hydraulic head, and dispersion on contaminant concentrations, mass flow rate, and location of the concentration front are determined. It is found that the flow induced by the bedform is largely responsible for the mass transfer of contaminants into the water column. The results also show that mechanical dispersion in the sediment bed may significantly increase the contaminant mass flow rate from the source.
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Published In
Building Partnerships
Pages: 1 - 7
Copyright
© 2000 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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Authors
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Zhi-Gang Feng
School of Engineering and Center for Bioenvironmental Research, Tulane University, New Orleans, LA 70118-5674
Laura J. Steinberg
School of Engineering and Center for Bioenvironmental Research, Tulane University, New Orleans, LA 70118-5674
Efstathios E. Michaelides
School of Engineering and Center for Bioenvironmental Research, Tulane University, New Orleans, LA 70118-5674
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.