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Erschienen in: Hydrogeology Journal 5-6/2005

01.10.2005 | Technical Note

Computing residence times for flow towards a pumping well: nomograph solution and validity of the small draw-down approximation

verfasst von: Matthew J. Simpson

Erschienen in: Hydrogeology Journal | Ausgabe 5-6/2005

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Abstract

A recent analytical model developed to compute the residence time of fluid flowing in an unconfined aquifer towards a single pumping well is examined. The solution is scaled and presented practically as a nomograph showing the relationship between the residence time, flow length and draw-down. In addition, a similar scaling process is undertaken for the same problem occurring in a confined aquifer so that the error introduced by approximating an unconfined system as a confined system can be understood over a wide range of conditions.

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Metadaten
Titel
Computing residence times for flow towards a pumping well: nomograph solution and validity of the small draw-down approximation
verfasst von
Matthew J. Simpson
Publikationsdatum
01.10.2005
Verlag
Springer-Verlag
Erschienen in
Hydrogeology Journal / Ausgabe 5-6/2005
Print ISSN: 1431-2174
Elektronische ISSN: 1435-0157
DOI
https://doi.org/10.1007/s10040-004-0369-6

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