Title:
Analysis of Complex Pumping Interactions During an Aquifer Test Conducted at a Well Field in the Coastal Plain Near Augusta, Georgia, October 2009
Analysis of Complex Pumping Interactions During an Aquifer Test Conducted at a Well Field in the Coastal Plain Near Augusta, Georgia, October 2009
dc.contributor.author | Gonthier, Gerard J. | en_US |
dc.contributor.corporatename | Geological Survey (U.S.) | en_US |
dc.contributor.corporatename | USGS Georgia Water Science Center | en_US |
dc.contributor.editor | Carroll, G. Denise | en_US |
dc.date.accessioned | 2013-01-28T20:42:52Z | |
dc.date.available | 2013-01-28T20:42:52Z | |
dc.date.issued | 2011-04 | |
dc.description | Proceedings of the 2011 Georgia Water Resources Conference, April 11, 12, and 13, 2011, Athens, Georgia. | en_US |
dc.description.abstract | A 24-hour aquifer test was conducted in Well Field 2 near Augusta, Georgia, October 21–22, 2009, to characterize the hydraulic properties of the Midville aquifer system. The selected well was pumped at a rate of 684 gallons per minute. At the initiation of aquifer-test pumping, water levels in each of eight wells monitored for the test were still recovering from the well-field production. Because water levels had not stabilized, data analyses were needed to account for the ongoing recovery. Hydraulic properties of the Midville aquifer system were estimated by an approach based on the Theis model and superposition. The Midville aquifer system was modeled as a Theis aquifer. The principle of superposition was used to sum the effects of multiple pumping and recovery events from a single pumped well and to sum the effects of all pumped wells as the estimated total drawdown at a monitored well. Simulated drawdown at each monitored well was determined by using a spreadsheet (SUMTheis) function of aquifer transmissivity and storativity. Simulated drawdown values were transformed into simulated water levels, accounting for longterm water-level trends. The transmissivity and storativity values that were used to calibrate the simulated water levels to measured water levels (roughly 4,000 square feet per day and 2E-04, respectively) provide estimates of the transmissivity and storativity of the Midville aquifer system in the vicinity of Well Field 2. The approach used in this study can be applied to similar well-field tests in which incomplete drawdown recovery or other known pumping is evident. | en_US |
dc.description.sponsorship | Sponsored by: Georgia Environmental Protection Division U.S. Geological Survey, Georgia Water Science Center U.S. Department of Agriculture, Natural Resources Conservation Service Georgia Institute of Technology, Georgia Water Resources Institute The University of Georgia, Water Resources Faculty | en_US |
dc.description.statementofresponsibility | This book was published by Warnell School of Forestry and Natural Resources, The University of Georgia, Athens, Georgia 30602-2152. The views and statements advanced in this publication are solely those of the authors and do not represent official views or policies of The University of Georgia, the U.S. Geological Survey, the Georgia Water Research Institute as authorized by the Water Research Institutes Authorization Act of 1990 (P.L. 101-307) or the other conference sponsors. | en_US |
dc.identifier.isbn | 0-9794100-2-9 | |
dc.identifier.uri | http://hdl.handle.net/1853/46023 | |
dc.language.iso | en_US | en_US |
dc.publisher | Georgia Institute of Technology | en_US |
dc.publisher.original | Warnell School of Forestry and Natural Resources, The University of Georgia | en_US |
dc.relation.ispartofseries | GWRI2011. Groundwater | en_US |
dc.subject | Water resources management | en_US |
dc.subject | Midville Aquifer | en_US |
dc.subject | 24-hour aquifer test | en_US |
dc.subject | Hydraulic models | en_US |
dc.title | Analysis of Complex Pumping Interactions During an Aquifer Test Conducted at a Well Field in the Coastal Plain Near Augusta, Georgia, October 2009 | en_US |
dc.type | Text | |
dc.type.genre | Proceedings | |
dspace.entity.type | Publication | |
local.contributor.corporatename | Georgia Water Resources Institute | |
local.contributor.corporatename | School of Civil and Environmental Engineering | |
local.contributor.corporatename | College of Engineering | |
local.relation.ispartofseries | Georgia Water Resources Conference | |
relation.isOrgUnitOfPublication | 8873b408-9aff-48cc-ae3c-a3d1daf89a98 | |
relation.isOrgUnitOfPublication | 88639fad-d3ae-4867-9e7a-7c9e6d2ecc7c | |
relation.isOrgUnitOfPublication | 7c022d60-21d5-497c-b552-95e489a06569 | |
relation.isSeriesOfPublication | e0bfffc9-c85a-4095-b626-c25ee130a2f3 |
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