Journal cover Journal topic
Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
https://doi.org/10.5194/gmd-2017-5
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Model description paper
15 Feb 2017
Review status
A revision of this discussion paper is under review for the journal Geoscientific Model Development (GMD).
The Gravitational Process Path (GPP) model (v1.0) – a GIS-based simulation framework for gravitational processes
Volker Wichmann 1alpS, Centre for Climate Change Adaptation, 6020 Innsbruck, Austria
2Laserdata GmbH, 6020 Innsbruck, Austria
Abstract. The Gravitational Process Path (GPP) model can be used to simulate the process path and run-out area of gravitational processes based on a digital terrain model (DTM). The tool combines several sub-models (process path, run-out length and material deposition) to simulate the movement of a mass point from an initiation site to the deposition area. For each sub-model several modeling approaches are provided, which makes the tool configurable for different processes like rockfall, debris flows or snow avalanches. The tool can be applied to large-coverage studies like natural hazard susceptibility mapping on a regional scale but also contains components for scenario based modeling of single events. Both the modeling approaches and precursor implementations of the tool have proven their practicability in numerous studies, including also geomorphological research questions like the delineation of sediment cascades or the study of process connectivity. This is the first completely re-written open source implementation, extended and improved in many ways. The tool has been committed to the main repository of the System for Automated Geoscientific Analyses (SAGA) and thus will be available with every SAGA release.

Citation: Wichmann, V.: The Gravitational Process Path (GPP) model (v1.0) – a GIS-based simulation framework for gravitational processes, Geosci. Model Dev. Discuss., https://doi.org/10.5194/gmd-2017-5, in review, 2017.
Volker Wichmann
Volker Wichmann

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