Articles | Volume 21, issue 9
https://doi.org/10.5194/hess-21-4301-2017
https://doi.org/10.5194/hess-21-4301-2017
Research article
 | 
01 Sep 2017
Research article |  | 01 Sep 2017

Effect of unrepresented model errors on estimated soil hydraulic material properties

Stefan Jaumann and Kurt Roth

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Short summary
We investigate the quantitative effect of neglected sensor position, small-scale heterogeneity, and lateral flow on soil hydraulic material properties. Thus, we analyze a fluctuating water table experiment in a 2-D architecture (ASSESS) with increasingly complex studies based on time domain reflectometry and hydraulic potential data. We found that 1-D studies may yield biased parameters and that estimating sensor positions as well as small-scale heterogeneity improves the model significantly.