Journal cover Journal topic
Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
https://doi.org/10.5194/gmd-2017-218
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
Model description paper
16 Oct 2017
Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Geoscientific Model Development (GMD).
SaLEM (v1.0) – A Soil and Landscape Evolution Model for simulation of regolith depth in periglacial environments
Michael Bock1, Olaf Conrad1, Andreas Günther2, Ernst Gehrt3, Rainer Baritz2, and Jürgen Böhner1 1Institute for Geography, University of Hamburg, Germany
2Federal Institute for Geosciences and Natural Resources (BGR), Hannover, Germany
3State Authority for Mining, Energy and Geology (LBEG), Hannover, Germany
Abstract. We propose the implementation of a soil and landscape evolution model (SaLEM) for the spatiotemporal investigation of soil parent material evolution following a lithologically differentiated approach. Relevant parts of the established model GOLEM have been adapted for an operational GIS tool within the open source software framework SAGA, thus taking advantage of SAGA's capabilities for geomorphometric analyses. The model is driven by paleo-climatic data (temperature, precipitation) representative for periglacial areas in Northern Germany over the last 50.000 years. The initial conditions have been determined for a test site by a digital terrain model and a geological model. Weathering, erosion and transport functions are calibrated using extrinsic (climatic) and intrinsic (lithologic) parameter data. First results indicate that our differentiated SaLEM approach shows some evidence for the spatiotemporal prediction of important soil parental material properties particularly its depth. Future research will focus on the v alidation of the results against field data, and the influence of discrete events (mass movements, floods) on soil parent material formation has to be evaluated.

Citation: Bock, M., Conrad, O., Günther, A., Gehrt, E., Baritz, R., and Böhner, J.: SaLEM (v1.0) – A Soil and Landscape Evolution Model for simulation of regolith depth in periglacial environments, Geosci. Model Dev. Discuss., https://doi.org/10.5194/gmd-2017-218, in review, 2017.
Michael Bock et al.
Michael Bock et al.
Michael Bock et al.

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Short summary
We introduce a soil and landscape evolution model (SaLEM) for the prediction of soil parent material evolution following a lithologically differentiated approach. The GIS tool is working within the software framework SAGA GIS. Weathering, erosion and transport functions are calibrated using extrinsic and intrinsic parameter data. First results indicate that our approach shows evidence for the spatiotemporal prediction of soil parental material properties.
We introduce a soil and landscape evolution model (SaLEM) for the prediction of soil parent...
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