Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 23, issue 10
Articles | Volume 23, issue 10
https://doi.org/10.5194/hess-23-4249-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-23-4249-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 10
Research article
 | 
22 Oct 2019
Research article |  | 22 Oct 2019

Simulating preferential soil water flow and tracer transport using the Lagrangian Soil Water and Solute Transport Model

Alexander Sternagel, Ralf Loritz, Wolfgang Wilcke, and Erwin Zehe

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Short summary
We present our hydrological LAST-Model to simulate preferential soil water flow and tracer transport in macroporous soils. It relies on a Lagrangian perspective of the movement of discrete water particles carrying tracer masses through the subsoil and is hence an alternative approach to common models. Sensitivity analyses reveal the physical validity of the model concept and evaluation tests show that LAST can depict well observed tracer mass profiles with fingerprints of preferential flow.
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