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001     10168
005     20180208203643.0
024 7 _ |2 DOI
|a 10.2136/vzj2009.0086
024 7 _ |2 WOS
|a WOS:000277718000014
037 _ _ |a PreJuSER-10168
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 Garre, S.
|b 0
|u FZJ
|0 P:(DE-Juel1)VDB85509
245 _ _ |a Comparison of heterogeneous transport processes observed with electrical resistivity tomography in two soils
260 _ _ |a Madison, Wis.
|b SSSA
|c 2010
300 _ _ |a 336 - 349
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
|2 ORCID
336 7 _ |a article
|2 DRIVER
440 _ 0 |a Vadose Zone Journal
|x 1539-1663
|0 10301
|y 2
|v 9
500 _ _ |a We would like to thank Dr. Thomas Putz and Werner Mittelstaedt for the excavation of the lysimeters at both field sites, as well as Ansgar Weuthen, Normen Hermes, Ferdinand Engels, and Jurgen Holtkemeier for the technical design and support. We thank our colleague Michel Bechtold for fruitful discussions and help during the experiments. Th is project was financed by the Helmholtz virtual institute 'Inverse Modelling of Terrestrial Systems' INVEST.
520 _ _ |a Preferential flow in soils can manifest itself in several ways. To illustrate this, we analyzed solute transport during a step tracer experiment in two soils expected to differ in their governing transport processes: a loamy sand and a silty soil. By combining electrical resistivity tomography (ERT), time domain reflectometry, and effluent measurements, we observed different preferential flow phenomena. The transport process was characterized using voxel- and column-scale effective convective-dispersive equation (CDE) parameters, local velocities, and leaching surfaces. At the column scale, transport in the loamy sand was dominated by a homogenous convective-dispersive transport behavior, but at the scale of the voxel, preferential transport was observed. Transport in the silty soil was considerably more heterogeneous. Preferential flow was identified using ERT, voxel- and column-scale effective CDE parameters, local velocities, and leaching surfaces. In these soils, a clear influence of soil layering on solute transport was observed.
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 Köstel, J.
|b 1
|u FZJ
|0 P:(DE-Juel1)VDB61841
700 1 _ |a Günther, T.
|b 2
|0 P:(DE-HGF)0
700 1 _ |a Javaux, M.
|b 3
|u FZJ
|0 P:(DE-Juel1)129477
700 1 _ |a Vanderborght, J.
|b 4
|u FZJ
|0 P:(DE-Juel1)129548
700 1 _ |a Vereecken, H.
|b 5
|u FZJ
|0 P:(DE-Juel1)129549
773 _ _ |a 10.2136/vzj2009.0086
|g Vol. 9, p. 336 - 349
|p 336 - 349
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|0 PERI:(DE-600)2088189-7
|t Vadose zone journal
|v 9
|y 2010
|x 1539-1663
856 7 _ |u http://dx.doi.org/10.2136/vzj2009.0086
909 C O |o oai:juser.fz-juelich.de:10168
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913 1 _ |k P24
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|l Terrestrische Umwelt
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914 1 _ |y 2010
915 _ _ |0 StatID:(DE-HGF)0010
|a JCR/ISI refereed
920 1 _ |d 31.10.2010
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920 1 _ |0 I:(DE-82)080011_20140620
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