Home > Publications database > Noninvasive 3-D Transport Characterization in a Sandy Soil Using ERT: 2. Transport Process Inference > print

001     5530
005     20180208195825.0
024 7 _ |2 DOI
|a 10.2136/vzj2008.0154
024 7 _ |2 WOS
|a WOS:000268871900019
037 _ _ |a PreJuSER-5530
041 _ _ |a eng
082 _ _ |a 550
084 _ _ |2 WoS
|a Environmental Sciences
084 _ _ |2 WoS
|a Soil Science
084 _ _ |2 WoS
|a Water Resources
100 1 _ |a Köstel, J.
|b 0
|u FZJ
|0 P:(DE-Juel1)VDB61841
245 _ _ |a Noninvasive 3-D Transport Characterization in a Sandy Soil Using ERT: 2. Transport Process Inference
260 _ _ |a Madison, Wis.
|b SSSA
|c 2009
300 _ _ |a 723 - 734
336 7 _ |a Journal Article
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336 7 _ |a Output Types/Journal article
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336 7 _ |a Journal Article
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336 7 _ |a ARTICLE
|2 BibTeX
336 7 _ |a JOURNAL_ARTICLE
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336 7 _ |a article
|2 DRIVER
440 _ 0 |a Vadose Zone Journal
|x 1539-1663
|0 10301
|y 3
|v 8
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a In this study, we examined four tracer displacement experiments in a large undisturbed soil column under unsaturated steady-state conditions. Using electrical resistivity tomography (ERT), we were able to investigate the corresponding solute transport processes in unprecedented three-dimensional (3-D) spatiotemporally resolved detail. In addition, time-domain reflectometry (TDR) probes and tensiometers provided hydrologic state variables relevant to transport. One important result from the study is that despite considerable differences between soil hydrologic variables of the low- and high-flux experiments, the 3-D-resolved transport patterns remained approximately and were aligned to a structural feature in the topsoil. Furthermore, the ERT image data indicated that the front evolutions were influenced by spatiotemporal heterogeneities of the irrigation system. Another result is the column-scale mixing regime was found to be convective-dispersive, although the transport process exhibited heterogeneities at smaller scales. We introduced an upscaling approach that allowed us to predict the scale apparent dispersivity on the basis of the convection-dispersion equation parameters at the scale of the voxels. The approach proved to be useful to evaluate at which scale the apparent dispersivity was generated. We the investigation of the relationship between apparent dispersivity and lateral scale as a promising tool for solute transport in future studies.
536 _ _ |a Terrestrische Umwelt
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588 _ _ |a Dataset connected to Web of Science
650 _ 7 |a J
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700 1 _ |a Vanderborght, J.
|b 1
|u FZJ
|0 P:(DE-Juel1)129548
700 1 _ |a Javaux, M.
|b 2
|u FZJ
|0 P:(DE-Juel1)129477
700 1 _ |a Kemna, A.
|b 3
|0 P:(DE-HGF)0
700 1 _ |a Binley, A.
|b 4
|0 P:(DE-HGF)0
700 1 _ |a Vereecken, H.
|b 5
|u FZJ
|0 P:(DE-Juel1)129549
773 _ _ |a 10.2136/vzj2008.0154
|g Vol. 8, p. 723 - 734
|p 723 - 734
|q 8<723 - 734
|0 PERI:(DE-600)2088189-7
|t Vadose zone journal
|v 8
|y 2009
|x 1539-1663
856 7 _ |u http://dx.doi.org/10.2136/vzj2008.0154
909 C O |o oai:juser.fz-juelich.de:5530
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913 1 _ |k P24
|v Terrestrische Umwelt
|l Terrestrische Umwelt
|b Erde und Umwelt
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914 1 _ |y 2009
915 _ _ |0 StatID:(DE-HGF)0010
|a JCR/ISI refereed
920 1 _ |k ICG-4
|l Agrosphäre
|d 31.10.2010
|g ICG
|0 I:(DE-Juel1)VDB793
|x 1
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980 _ _ |a UNRESTRICTED
981 _ _ |a I:(DE-Juel1)IBG-3-20101118

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