Script and case study dataset for numerical modelling of uplifted marine terrace sequences

Cite as:

Crosetto, Silvia; De Montserrat, Albert; Oncken, Onno (2024): Script and case study dataset for numerical modelling of uplifted marine terrace sequences. GFZ Data Services. https://doi.org/10.5880/GFZ.4.1.2023.003

Status

I N R E V I E W : Crosetto, Silvia; De Montserrat, Albert; Oncken, Onno (2024): Script and case study dataset for numerical modelling of uplifted marine terrace sequences. GFZ Data Services. https://doi.org/10.5880/GFZ.4.1.2023.003

Abstract

Numerical model supporting the article: "Uplifted marine terraces at active margins: understanding the effects of sea reoccupation and coseismic uplift on uplift rate calculation. The forward numerical model reproduces the evolution of an uplifting margin subject to sea erosion" (Crosetto et al., 2024, https://doi.org/10.1029/2023GC01136).

The code provides the possibility to have steady uplift, i.e. aseismic and constant over time, or coseismic uplift, i.e. given by instantaneous vertical displacement, reproducing earthquakes. It is possible to define time intervals having different uplift rate values, or different uplift modes (aseismic and seismic periods), or vary the characteristic of the coseismic uplift, such as recurrence intervals and coseismic uplift displacement. The coseismic uplift can also be superimposed to a background uplift rate. All values can be of positive or negative sign. The user can define which variable values are saved in the model output, and these include parameters such as the terrace age and the reoccupation tracker. In the repository we include three sea level curves, but any other sea level curve provided by the user can be used to run the model. The parameter values used in the manuscript models are described in the Supplementary Information file of the manuscript.

The data provided in txt format report data published by Saillard et al. (2011) and additional calculations, which have been used for the case study of the manuscript. The model scripts are written in Julia language and can be used to reproduce marine terraces formation at coastal margins subject to uplift. The scripts are organized as Github repository (https://github.com/albert-de-montserrat/LEM1D). Movies S1 to S8 provide a qualitative illustration of the terrace evolution under different uplift conditions.

Additional Information

Copyright <2020> <albert-de-montserrat>

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Authors

Crosetto, Silvia;GFZ German Research Centre for Geosciences, Potsdam, Germany
De Montserrat, Albert;Institute of Geophysics, Department of Geosciences, Swiss Federal Institute of Technology (ETH Zurich), Zurich, Switzerland
Oncken, Onno;GFZ German Research Centre for Geosciences, Potsdam, Germany

Contact

Crosetto, Silvia (Potsdoctoral fellow) ; GFZ German Research Centre for Geosciences, Potsdam, Germany;
De Montserrat, Albert (Potsdoctoral fellow) ; Institute of Geophysics, Department of Geosciences, Swiss Federal Institute of Technology (ETH Zurich), Zurich, Switzerland;