Effect of partial penetration on flow in unconfined aquifers considering delayed gravity response

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Abstract

Previously, a new analytical model was proposed by the author for the delayed response process characterizing flow to a well in an unconfined aquifer. It was shown that contrary to prevailing belief this process can be simulated by using constant values of specific storage and specific yield without recourse to unsaturated flow theory. In the present work the theory is extended to account for the effect of a well partially penetrating a homogeneous anisotropic unconfined aquifer. Field and laboratory evidence is quoted to suggest that the elastic storage properties of unconfined aquifers may often be much more pronounced than those of deep‐seated confined aquifers composed of similar materials. The need for further research into the mechanical properties of unconfined aquifers and the role of unsaturated flow in the response process is emphasized.

Original languageEnglish (US)
Pages (from-to)303-312
Number of pages10
JournalWater Resources Research
Volume10
Issue number2
DOIs
StatePublished - Apr 1974

ASJC Scopus subject areas

  • Water Science and Technology

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