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Experimental and numerical investigation of saltwater intrusion dynamics in flux-controlled groundwater systems


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dc.creatorChang, Sun Woo
dc.creatorClement, T. Prabhakar
dc.date.accessioned2020-08-20T20:18:08Z
dc.date.available2020-08-20T20:18:08Z
dc.date.created2012
dc.identifier10.1029/2012WR012134en_US
dc.identifier.urihttps://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2012WR012134en_US
dc.identifier.urihttps://aurora.auburn.edu/handle/11200/49925
dc.identifier.urihttp://dx.doi.org/10.35099/aurora-13
dc.description.abstractSea level rise and reduction of groundwater fluxes due to changes in rainfall patterns are the two major climate change–induced hydrological variables that can severely affect saltwater intrusion in coastal aquifers. In this study we use a combination of laboratory experiments and numerical simulations to study the impacts of changes in one of these climate change–induced hydrological variables, groundwater flux, on saltwater intrusion process. We have completed experiments in a laboratory-scale model to study the changes in two types of groundwater fluxes—areal recharge flux and regional flux. The experimental results were modeled using the numerical code SEAWAT. The transient data sets reported in this study are useful benchmarks for testing numerical models that employ flux-type boundary conditions. Also, based on the experimental observations, we hypothesize that when the fluxes are perturbed, it would require relatively less time for a salt wedge to recede from an aquifer when compared to the time required to advance into the aquifer. This rather counterintuitive hypothesis implies that saltwater intrusion and receding processes are asymmetric and the timescales associated with these processes will be different. We use a combination of laboratory and numerical experiments to test this hypothesis and use the resulting data set to explain the reason for the difference in intrusion rates.en_US
dc.formatPDFen_US
dc.publisherAmerican Geophysical Unionen_US
dc.relation.ispartofWater Resources Researchen_US
dc.relation.ispartofseries0043-1397en_US
dc.rights©American Geophysical Union 2012. This is this the version of record co-published by the American Geophysical Union and John Wiley & Sons, Inc. It is made available under the CC-BY-NC-ND 4.0 license. Item should be cited as: Chang, S. W., and T. P. Clement (2012). Experimental and numerical investigation of saltwater intrusion dynamics in flux-controlled groundwater systems, Water Resour. Res., 48, W09527, doi:10.1029/2012WR012134.en_US
dc.titleExperimental and numerical investigation of saltwater intrusion dynamics in flux-controlled groundwater systemsen_US
dc.typeTexten_US
dc.type.genreJournal Article, Academic Journalen_US
dc.citation.volume48en_US
dc.citation.spageW09527-1en_US
dc.citation.epageW09527-10en_US
dc.description.statusPublisheden_US
dc.description.peerreviewyesen_US

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