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Article: Numerical simulation of tracer tests in heterogeneous aquifer

TitleNumerical simulation of tracer tests in heterogeneous aquifer
Authors
Issue Date1998
PublisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/ee.html
Citation
Journal Of Environmental Engineering, 1998, v. 124 n. 6, p. 510-516 How to Cite?
AbstractA large-scale, natural-gradient tracer test in a heterogeneous aquifer at a site near Columbus, Miss, is simulated using three-dimensional (3D) hydraulic conductivity distributions derived from the borehole flow-meter test data. The simulated plume is more sensitive to the way the hydraulic conductivity field is interpolated from the measured data than it is to the dispersivity value. The transport model with longitudinal dispersivities in the range of 1-5 m can reasonably reproduce the observed plume to a certain concentration limit, but fails to reproduce the significant spreading of the tracer at diluted concentrations as observed in tyhe field. This modeling study illustrates the formidable challenges in modeling and monitoring contaminant transport in very heterogeneous aquifers and points to the needs for new, innovative monitoring techniques that can be applied to characterize the spatial and temporal variabilities in the aquifer properties at scales suitable for detailed transport modeling.
Persistent Identifierhttp://hdl.handle.net/10722/150998
ISSN
2015 Impact Factor: 1.125
2015 SCImago Journal Rankings: 0.462
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZheng, Cen_US
dc.contributor.authorJiao, JJen_US
dc.date.accessioned2012-06-26T06:15:41Z-
dc.date.available2012-06-26T06:15:41Z-
dc.date.issued1998en_US
dc.identifier.citationJournal Of Environmental Engineering, 1998, v. 124 n. 6, p. 510-516en_US
dc.identifier.issn0733-9372en_US
dc.identifier.urihttp://hdl.handle.net/10722/150998-
dc.description.abstractA large-scale, natural-gradient tracer test in a heterogeneous aquifer at a site near Columbus, Miss, is simulated using three-dimensional (3D) hydraulic conductivity distributions derived from the borehole flow-meter test data. The simulated plume is more sensitive to the way the hydraulic conductivity field is interpolated from the measured data than it is to the dispersivity value. The transport model with longitudinal dispersivities in the range of 1-5 m can reasonably reproduce the observed plume to a certain concentration limit, but fails to reproduce the significant spreading of the tracer at diluted concentrations as observed in tyhe field. This modeling study illustrates the formidable challenges in modeling and monitoring contaminant transport in very heterogeneous aquifers and points to the needs for new, innovative monitoring techniques that can be applied to characterize the spatial and temporal variabilities in the aquifer properties at scales suitable for detailed transport modeling.en_US
dc.languageengen_US
dc.publisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/ee.htmlen_US
dc.relation.ispartofJournal of Environmental Engineeringen_US
dc.rightsJournal of Environmental Engineering. Copyright © American Society of Civil Engineers.-
dc.titleNumerical simulation of tracer tests in heterogeneous aquiferen_US
dc.typeArticleen_US
dc.identifier.emailJiao, JJ: jjiao@hku.hken_US
dc.identifier.authorityJiao, JJ=rp00712en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1061/(ASCE)0733-9372(1998)124:6(510)en_US
dc.identifier.scopuseid_2-s2.0-0031822582en_US
dc.identifier.hkuros33844-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031822582&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume124en_US
dc.identifier.issue6en_US
dc.identifier.spage510en_US
dc.identifier.epage516en_US
dc.identifier.isiWOS:000073805900007-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridZheng, C=7401934994en_US
dc.identifier.scopusauthoridJiao, JJ=7102382963en_US

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