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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\u2010seated 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.<\/jats:p>","DOI":"10.1029\/wr010i002p00303","type":"journal-article","created":{"date-parts":[[2008,2,6]],"date-time":"2008-02-06T19:21:08Z","timestamp":1202325668000},"page":"303-312","source":"Crossref","is-referenced-by-count":291,"title":["Effect of partial penetration on flow in unconfined aquifers considering delayed gravity response"],"prefix":"10.1029","volume":"10","author":[{"given":"Shlomo P.","family":"Neuman","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"13","published-online":{"date-parts":[[2010,7,9]]},"reference":[{"key":"e_1_2_1_2_1","unstructured":"Boulton N. S. Unsteady radial flow to a pumped well allowing for delayed yield from storage Int. Ass. Sci. Hydrol. 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A method of determining the permeability and effective porosity of unconfined anisotropic aquifersHydraul. Lab. Rep. P.N.1\/1967 49Technion Israel Inst. Technol. Haifa 1967b."},{"key":"e_1_2_1_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/0022-1694(69)90031-6"},{"key":"e_1_2_1_13_1","first-page":"340","volume-title":"Table of Integrals, Series, and Products","author":"Gradshtein I. S.","year":"1965"},{"key":"e_1_2_1_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/B978-1-4831-9932-0.50010-3"},{"key":"e_1_2_1_15_1","doi-asserted-by":"publisher","DOI":"10.1029\/WR009i002p00426"},{"key":"e_1_2_1_16_1","doi-asserted-by":"publisher","DOI":"10.1029\/WR009i002p00448"},{"key":"e_1_2_1_17_1","unstructured":"Meyer W. R. Use of a neutron moisture probe to determine the storage coefficient of an unconfined aquifer U.S. Geol. Surv. Prof. Pap. 450\u2010E 1962."},{"key":"e_1_2_1_18_1","doi-asserted-by":"publisher","DOI":"10.1029\/WR008i004p01031"},{"key":"e_1_2_1_19_1","unstructured":"Neuman S. P. Finite element computer programs for flow in saturated\u2010unsaturated porous mediaHydrodyn. Hydraul. Lab. Rep. Proj. A10\u2010SWC\u201077 87Technion Israel Inst. of Technol. Haifa 1972b."},{"key":"e_1_2_1_20_1","doi-asserted-by":"publisher","DOI":"10.1029\/WR009i004p01102"},{"key":"e_1_2_1_21_1","unstructured":"Neuman S. P. P. A.Witherspoon Transient flow of groundwater to wells in multiple\u2010aquifer systemsGeotech. Eng. Rep. 69\u20101 182Univ. of Calif. 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