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| Titel |
Do effective properties for unsaturated weakly layered porous media exist? An experimental study |
| VerfasserIn |
A. Bayer, H.-J. Vogel, O. Ippisch, K. Roth |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1027-5606
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| Digitales Dokument |
URL |
| Erschienen |
In: Hydrology and Earth System Sciences ; 9, no. 5 ; Nr. 9, no. 5 (2005-10-31), S.517-522 |
| Datensatznummer |
250007042
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| Publikation (Nr.) |
 copernicus.org/hess-9-517-2005.pdf |
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| Zusammenfassung |
| In a multi-step outflow experiment we found that a weak heterogeneity within a sand column
prevents the estimated effective hydraulic parameters from being unique. We compared vertical
water content profiles calculated from these parameters with profiles measured by
x-ray attenuation. A layered material model based on x-ray data was able to
reproduce the outflow curve and also the water content distribution inside the column.
We also calculated effective parameters for the layered model turned upside
down and obtained large differences to the set of values of the original sample. |
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