Non-Darcian effect on a variable-rate pumping test in a confined aquifer
Groundwater flow in an aquifer has frequently been found to be non-Darcian. In this study, a transient model of a variable-rate pumping test in a confined aquifer was established considering non-Darcian flow in the aquifer. A piecewise-linear function was adopted to reproduce the variability in pump...
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| Veröffentlicht in: | Hydrogeology journal 2020-12, Vol.28 (8), p.2853-2863 |
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| creator | Li, Yabing Zhou, Zhifang Zhuang, Chao Huang, Yong Wang, Jinguo |
| description | Groundwater flow in an aquifer has frequently been found to be non-Darcian. In this study, a transient model of a variable-rate pumping test in a confined aquifer was established considering non-Darcian flow in the aquifer. A piecewise-linear function was adopted to reproduce the variability in pumping rate, and the classical Izbash equation was employed to describe the non-Darcian flow. The type-curve analysis suggested that a smaller quasi-conductivity will result in an earlier deviation and a smaller extent of the decreasing features in the drawdown under the condition of a linearly decreasing pumping rate compared to that under the condition of a constant pumping rate. The sensitivity analysis indicated that the variability in pumping rates under non-Darcian flow can increase the sensitivity of drawdown to the radius of the well casing at inflection times of the discrete linear stages, and drawdown closer to the pumping well is more sensitive to the change in the well casing. A type-curve method was proposed and employed to interpret the pumping test data, which were collected at a field site located in Wuxi city, Jiangsu Province, China. The parameter estimates indicate a high possibility of the occurrence of prelinear flow in the aquifer of interest. |
| doi_str_mv | 10.1007/s10040-020-02223-w |
| format | Article |
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In this study, a transient model of a variable-rate pumping test in a confined aquifer was established considering non-Darcian flow in the aquifer. A piecewise-linear function was adopted to reproduce the variability in pumping rate, and the classical Izbash equation was employed to describe the non-Darcian flow. The type-curve analysis suggested that a smaller quasi-conductivity will result in an earlier deviation and a smaller extent of the decreasing features in the drawdown under the condition of a linearly decreasing pumping rate compared to that under the condition of a constant pumping rate. The sensitivity analysis indicated that the variability in pumping rates under non-Darcian flow can increase the sensitivity of drawdown to the radius of the well casing at inflection times of the discrete linear stages, and drawdown closer to the pumping well is more sensitive to the change in the well casing. A type-curve method was proposed and employed to interpret the pumping test data, which were collected at a field site located in Wuxi city, Jiangsu Province, China. The parameter estimates indicate a high possibility of the occurrence of prelinear flow in the aquifer of interest.</description><identifier>ISSN: 1431-2174</identifier><identifier>EISSN: 1435-0157</identifier><identifier>DOI: 10.1007/s10040-020-02223-w</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Aquatic Pollution ; Aquifer testing ; Aquifers ; Confined aquifers ; Confined groundwater ; Drawdown ; Earth and Environmental Science ; Earth Sciences ; Geology ; Geophysics/Geodesy ; Groundwater ; Groundwater flow ; Hydrogeology ; Hydrology/Water Resources ; Linear functions ; Parameter estimation ; Pumping ; Pumping rates ; Sensitivity analysis ; Variability ; Waste Water Technology ; Water Management ; Water Pollution Control ; Water Quality/Water Pollution</subject><ispartof>Hydrogeology journal, 2020-12, Vol.28 (8), p.2853-2863</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020</rights><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a342t-366cc20bd1a82c4ea6c545786539271bb2e3d563b6c7440b0f9b8353fe44fb323</citedby><cites>FETCH-LOGICAL-a342t-366cc20bd1a82c4ea6c545786539271bb2e3d563b6c7440b0f9b8353fe44fb323</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10040-020-02223-w$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10040-020-02223-w$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Li, Yabing</creatorcontrib><creatorcontrib>Zhou, Zhifang</creatorcontrib><creatorcontrib>Zhuang, Chao</creatorcontrib><creatorcontrib>Huang, Yong</creatorcontrib><creatorcontrib>Wang, Jinguo</creatorcontrib><title>Non-Darcian effect on a variable-rate pumping test in a confined aquifer</title><title>Hydrogeology journal</title><addtitle>Hydrogeol J</addtitle><description>Groundwater flow in an aquifer has frequently been found to be non-Darcian. In this study, a transient model of a variable-rate pumping test in a confined aquifer was established considering non-Darcian flow in the aquifer. A piecewise-linear function was adopted to reproduce the variability in pumping rate, and the classical Izbash equation was employed to describe the non-Darcian flow. The type-curve analysis suggested that a smaller quasi-conductivity will result in an earlier deviation and a smaller extent of the decreasing features in the drawdown under the condition of a linearly decreasing pumping rate compared to that under the condition of a constant pumping rate. The sensitivity analysis indicated that the variability in pumping rates under non-Darcian flow can increase the sensitivity of drawdown to the radius of the well casing at inflection times of the discrete linear stages, and drawdown closer to the pumping well is more sensitive to the change in the well casing. A type-curve method was proposed and employed to interpret the pumping test data, which were collected at a field site located in Wuxi city, Jiangsu Province, China. The parameter estimates indicate a high possibility of the occurrence of prelinear flow in the aquifer of interest.</description><subject>Aquatic Pollution</subject><subject>Aquifer testing</subject><subject>Aquifers</subject><subject>Confined aquifers</subject><subject>Confined groundwater</subject><subject>Drawdown</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Geology</subject><subject>Geophysics/Geodesy</subject><subject>Groundwater</subject><subject>Groundwater flow</subject><subject>Hydrogeology</subject><subject>Hydrology/Water Resources</subject><subject>Linear functions</subject><subject>Parameter estimation</subject><subject>Pumping</subject><subject>Pumping rates</subject><subject>Sensitivity analysis</subject><subject>Variability</subject><subject>Waste Water Technology</subject><subject>Water Management</subject><subject>Water Pollution Control</subject><subject>Water Quality/Water Pollution</subject><issn>1431-2174</issn><issn>1435-0157</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kE1LAzEQhoMoWKt_wFPAczTJJJvtUepHhaIXPYckTcqWNrtNdhX_vWlX8OZhPmDed2Z4ELpm9JZRqu5yyYISyg_BOZCvEzRhAiShTKrTY88IZ0qco4ucN7TImYIJWry2kTyY5BoTsQ_Bux63ERv8aVJj7NaTZHqPu2HXNXGNe5973Bzmro2hiX6FzX5ogk-X6CyYbfZXv3WKPp4e3-cLsnx7fpnfL4kBwXsCVeUcp3bFTM2d8KZyUkhVVxJmXDFruYeVrMBWTglBLQ0zW4OE4IUIFjhM0c24t0vtfijv6E07pFhOai4UkxJqNSsqPqpcanNOPuguNTuTvjWj-kBMj8R0IaaPxPRXMcFoykUc1z79rf7H9QPUV20t</recordid><startdate>20201201</startdate><enddate>20201201</enddate><creator>Li, Yabing</creator><creator>Zhou, Zhifang</creator><creator>Zhuang, Chao</creator><creator>Huang, Yong</creator><creator>Wang, Jinguo</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QH</scope><scope>7ST</scope><scope>7TG</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>KR7</scope><scope>L.G</scope><scope>L6V</scope><scope>M2P</scope><scope>M7S</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>SOI</scope></search><sort><creationdate>20201201</creationdate><title>Non-Darcian effect on a variable-rate pumping test in a confined aquifer</title><author>Li, Yabing ; Zhou, Zhifang ; Zhuang, Chao ; Huang, Yong ; Wang, Jinguo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a342t-366cc20bd1a82c4ea6c545786539271bb2e3d563b6c7440b0f9b8353fe44fb323</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Aquatic Pollution</topic><topic>Aquifer testing</topic><topic>Aquifers</topic><topic>Confined aquifers</topic><topic>Confined groundwater</topic><topic>Drawdown</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Geology</topic><topic>Geophysics/Geodesy</topic><topic>Groundwater</topic><topic>Groundwater flow</topic><topic>Hydrogeology</topic><topic>Hydrology/Water Resources</topic><topic>Linear functions</topic><topic>Parameter estimation</topic><topic>Pumping</topic><topic>Pumping rates</topic><topic>Sensitivity analysis</topic><topic>Variability</topic><topic>Waste Water Technology</topic><topic>Water Management</topic><topic>Water Pollution Control</topic><topic>Water Quality/Water Pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Yabing</creatorcontrib><creatorcontrib>Zhou, Zhifang</creatorcontrib><creatorcontrib>Zhuang, Chao</creatorcontrib><creatorcontrib>Huang, Yong</creatorcontrib><creatorcontrib>Wang, Jinguo</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Aqualine</collection><collection>Environment Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>ProQuest Engineering Collection</collection><collection>Science Database</collection><collection>Engineering Database</collection><collection>Environmental Science Database</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>Environment Abstracts</collection><jtitle>Hydrogeology journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Yabing</au><au>Zhou, Zhifang</au><au>Zhuang, Chao</au><au>Huang, Yong</au><au>Wang, Jinguo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Non-Darcian effect on a variable-rate pumping test in a confined aquifer</atitle><jtitle>Hydrogeology journal</jtitle><stitle>Hydrogeol J</stitle><date>2020-12-01</date><risdate>2020</risdate><volume>28</volume><issue>8</issue><spage>2853</spage><epage>2863</epage><pages>2853-2863</pages><issn>1431-2174</issn><eissn>1435-0157</eissn><abstract>Groundwater flow in an aquifer has frequently been found to be non-Darcian. In this study, a transient model of a variable-rate pumping test in a confined aquifer was established considering non-Darcian flow in the aquifer. A piecewise-linear function was adopted to reproduce the variability in pumping rate, and the classical Izbash equation was employed to describe the non-Darcian flow. The type-curve analysis suggested that a smaller quasi-conductivity will result in an earlier deviation and a smaller extent of the decreasing features in the drawdown under the condition of a linearly decreasing pumping rate compared to that under the condition of a constant pumping rate. The sensitivity analysis indicated that the variability in pumping rates under non-Darcian flow can increase the sensitivity of drawdown to the radius of the well casing at inflection times of the discrete linear stages, and drawdown closer to the pumping well is more sensitive to the change in the well casing. A type-curve method was proposed and employed to interpret the pumping test data, which were collected at a field site located in Wuxi city, Jiangsu Province, China. The parameter estimates indicate a high possibility of the occurrence of prelinear flow in the aquifer of interest.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s10040-020-02223-w</doi><tpages>11</tpages></addata></record> |
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| subjects | Aquatic Pollution Aquifer testing Aquifers Confined aquifers Confined groundwater Drawdown Earth and Environmental Science Earth Sciences Geology Geophysics/Geodesy Groundwater Groundwater flow Hydrogeology Hydrology/Water Resources Linear functions Parameter estimation Pumping Pumping rates Sensitivity analysis Variability Waste Water Technology Water Management Water Pollution Control Water Quality/Water Pollution |
| title | Non-Darcian effect on a variable-rate pumping test in a confined aquifer |
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