Research Article
May 1970
Digital Model of Alluvial Aquifer
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VIEW THE REPLYAuthors: Peter C. Trescott, George F. Pinder, and John F. JonesAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 96, Issue 5
Abstract
The evaluation of an alluvial aquifer as a water supply for the Town of Antigonish, Nova Scotia, has demonstrated the versatility of the digital model as a tool in groundwater development and management. The digital model, which uses an alternating-direction implicit technique to solve the finite-difference approximation of the flow equation, is limited in size only by the available hydrogeologic data, the amount of computer storage, and availability of computer time. The model of the Antigonish aquifer, which is hydraulically connected to a river, was adjusted within the constraints dictated by the geology until the model response to a pumping stress approached the field response. The most critical factor was the river-bed hydraulic conductivity to thickness ratio which governs the drawdown required to induce enough water from the river to sustain well production. The adjusted model was used to predict the effect of establishing a multiple well field designed to meet the town's requirements.
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Published In
Journal of the Hydraulics Division
Volume 96 • Issue 5 • May 1970
Pages: 1115 - 1128
Copyright
© 1970 American Society of Civil Engineers.
History
Published in print: May 1970
Published online: Feb 3, 2021
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Affiliations
Peter C. Trescott
Geologist; Nova Scotia Dept. of Mines, Halifax, Nova Scotia, Canada
George F. Pinder
Hydro., U.S. Geological Survey, Washington, D. C
John F. Jones
Chf., Groundwater Sec., Nova Scotia Dept. of Mines, Halifax, Nova Scotia, Canada
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