Transient well flow in leaky multiple-aquifer systems
A previously developed eigenvalue analysis approach to groundwater flow in leaky multiple aquifers is used to derive exact solutions for transient well flow problems in leaky and confined systems comprising any number of aquifers. Equations are presented for the drawdown distribution in systems of i...
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Veröffentlicht in: | Journal of hydrology (Amsterdam) 1985-01, Vol.81 (1), p.111-126 |
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creator | Hemker, C.J. |
description | A previously developed eigenvalue analysis approach to groundwater flow in leaky multiple aquifers is used to derive exact solutions for transient well flow problems in leaky and confined systems comprising any number of aquifers. Equations are presented for the drawdown distribution in systems of infinite extent, caused by wells penetrating one or more of the aquifers completely and discharging each layer at a constant rate.
Since the solution obtained may be regarded as a combined analytical-numerical technique, a type of one-dimensional modelling can be applied to find approximate solutions for several complicating conditions. Numerical evaluations are presented as time-drawdown curves and include effects of storage in the aquitard, unconfined conditions, partially penetrating wells and stratified aquifers. The outcome of calculations for relatively simple systems compares very well with published corresponding results.
The proposed multilayer solution can be a valuable tool in aquifer test evaluation, as it provides the analytical expression required to enable the application of existing computer methods to the determination of aquifer characteristics. |
doi_str_mv | 10.1016/0022-1694(85)90170-2 |
format | Article |
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Since the solution obtained may be regarded as a combined analytical-numerical technique, a type of one-dimensional modelling can be applied to find approximate solutions for several complicating conditions. Numerical evaluations are presented as time-drawdown curves and include effects of storage in the aquitard, unconfined conditions, partially penetrating wells and stratified aquifers. The outcome of calculations for relatively simple systems compares very well with published corresponding results.
The proposed multilayer solution can be a valuable tool in aquifer test evaluation, as it provides the analytical expression required to enable the application of existing computer methods to the determination of aquifer characteristics.</description><identifier>ISSN: 0022-1694</identifier><identifier>EISSN: 1879-2707</identifier><identifier>DOI: 10.1016/0022-1694(85)90170-2</identifier><identifier>CODEN: JHYDA7</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; Hydrology. Hydrogeology</subject><ispartof>Journal of hydrology (Amsterdam), 1985-01, Vol.81 (1), p.111-126</ispartof><rights>1985</rights><rights>1986 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a418t-d41f619991bb5bf44b602c1795cad52a05b2527fb3d60cd1e7314fedbfc21eb53</citedby><cites>FETCH-LOGICAL-a418t-d41f619991bb5bf44b602c1795cad52a05b2527fb3d60cd1e7314fedbfc21eb53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0022-1694(85)90170-2$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=8471490$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Hemker, C.J.</creatorcontrib><title>Transient well flow in leaky multiple-aquifer systems</title><title>Journal of hydrology (Amsterdam)</title><description>A previously developed eigenvalue analysis approach to groundwater flow in leaky multiple aquifers is used to derive exact solutions for transient well flow problems in leaky and confined systems comprising any number of aquifers. Equations are presented for the drawdown distribution in systems of infinite extent, caused by wells penetrating one or more of the aquifers completely and discharging each layer at a constant rate.
Since the solution obtained may be regarded as a combined analytical-numerical technique, a type of one-dimensional modelling can be applied to find approximate solutions for several complicating conditions. Numerical evaluations are presented as time-drawdown curves and include effects of storage in the aquitard, unconfined conditions, partially penetrating wells and stratified aquifers. The outcome of calculations for relatively simple systems compares very well with published corresponding results.
The proposed multilayer solution can be a valuable tool in aquifer test evaluation, as it provides the analytical expression required to enable the application of existing computer methods to the determination of aquifer characteristics.</description><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Hydrology. Hydrogeology</subject><issn>0022-1694</issn><issn>1879-2707</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1985</creationdate><recordtype>article</recordtype><recordid>eNqFkD1PwzAQhi0EEqXwDxgyIARDwOfYcbIgoYovqRJLmS3HOUuGfLR2QtV_j0urjnDLLc_73ukh5BLoHVDI7yllLIW85DeFuC0pSJqyIzKBQpYpk1Qek8kBOSVnIXzSOFnGJ0QsvO6Cw25I1tg0iW36deK6pEH9tUnasRncssFUr0Zn0SdhEwZswzk5sboJeLHfU_Lx_LSYvabz95e32eM81RyKIa052BzKsoSqEpXlvMopMyBLYXQtmKaiYoJJW2V1Tk0NKDPgFuvKGgZYiWxKrne9S9-vRgyDal0w8U_dYT8GBUXGIJP8fzArGKMSIsh3oPF9CB6tWnrXar9RQNVWptqaUltTqhDqV6ZiMXa179fB6MZGacaFQ7bgEnhJI_awwzBK-XboVTDRrcHaeTSDqnv3950fTFeHbg</recordid><startdate>19850101</startdate><enddate>19850101</enddate><creator>Hemker, C.J.</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7TG</scope><scope>KL.</scope></search><sort><creationdate>19850101</creationdate><title>Transient well flow in leaky multiple-aquifer systems</title><author>Hemker, C.J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a418t-d41f619991bb5bf44b602c1795cad52a05b2527fb3d60cd1e7314fedbfc21eb53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1985</creationdate><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>Hydrology. Hydrogeology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hemker, C.J.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><jtitle>Journal of hydrology (Amsterdam)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hemker, C.J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Transient well flow in leaky multiple-aquifer systems</atitle><jtitle>Journal of hydrology (Amsterdam)</jtitle><date>1985-01-01</date><risdate>1985</risdate><volume>81</volume><issue>1</issue><spage>111</spage><epage>126</epage><pages>111-126</pages><issn>0022-1694</issn><eissn>1879-2707</eissn><coden>JHYDA7</coden><abstract>A previously developed eigenvalue analysis approach to groundwater flow in leaky multiple aquifers is used to derive exact solutions for transient well flow problems in leaky and confined systems comprising any number of aquifers. Equations are presented for the drawdown distribution in systems of infinite extent, caused by wells penetrating one or more of the aquifers completely and discharging each layer at a constant rate.
Since the solution obtained may be regarded as a combined analytical-numerical technique, a type of one-dimensional modelling can be applied to find approximate solutions for several complicating conditions. Numerical evaluations are presented as time-drawdown curves and include effects of storage in the aquitard, unconfined conditions, partially penetrating wells and stratified aquifers. The outcome of calculations for relatively simple systems compares very well with published corresponding results.
The proposed multilayer solution can be a valuable tool in aquifer test evaluation, as it provides the analytical expression required to enable the application of existing computer methods to the determination of aquifer characteristics.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/0022-1694(85)90170-2</doi><tpages>16</tpages></addata></record> |
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subjects | Earth sciences Earth, ocean, space Exact sciences and technology Hydrology. Hydrogeology |
title | Transient well flow in leaky multiple-aquifer systems |
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