Research Article
Apr 1982
Ground-Water Contamination Due to Vanishing and Finitesize Continuous Sources
Publication: Journal of the Hydraulics Division
Volume 108, Issue 4
Abstract
Analytical methods are described to predict the concentrations of effluents released in a two- or three-dimensional groundwater flowfield from a point, line, plane or parallel piped source. The effects of the upper and lower confining boundaries in an artesian aquifer and those of the bedrock and water table in an unconfined aquifer are accounted for by the method of images. The same technique is used to model the contribution of a constant concentration boundary in the flowfield like the one provided by a fully penetrating perennial stream. Using the results of a sensitivity analysis, the number of images at which computations can be truncated without significantly affecting the accuracy of the results is indicated. Examples are provided to illustrate the effect of source configuration, e.g., point, line or plane, and the presence or absence of a fully penetrating perennial stream in the flowfield. To validate the model, concentration isopleths are developed for the release of effluents from an ashpond in a two-dimensional stream-aquifer system an the results are compared with those contained from a finite-element study.
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Published In
Journal of the Hydraulics Division
Volume 108 • Issue 4 • April 1982
Pages: 572 - 590
Copyright
© 1982 American Society of Civil Engineers.
History
Published in print: Apr 1982
Published online: Feb 3, 2021
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Authors
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Anand Prakash, M.ASCE
Chf. Water Resources Engr., Dames & Moore, Golden, Colo.
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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.
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.
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.