Related to Article: Marvin Reich1, Michal Mikolaj1, Theresa Blume1, Andreas Güntner1,2: 2021. Field-scale subsurface flow processes inferred from continuous gravity monitoring during a sprinkling experiment, (in review)
The recommended citation for gravityInf is: (You can find the BibTeX snippet in the
CITATION
file):
Reich, Marvin (2021). gravityInf - inverse hydrological modeling based on gravity observations to evaluate dominant infiltration and subsurface re-distribution processes, v1.0. GFZ Data Services. DOI: https://doi.org/10.5880/GFZ.4.4.2021.002
This is a small R-package which aims at supporting the anaylsis of a sprinkling (infiltration) experiment in combination with simultaneous and continious gravity measurements, presented in the above mentioned paper. With this package you can easily walk through the necessary steps in order to set up an infiltration scenario, maybe based on your own sprinkling / irrigation experiment and carry out simple hydrological modelling of water distribution in 3D in the subsurface. An observed gravity time series is needed for the model in order to fit and thus identify the dominant infiltration process for your research area.
A model functionality and limitations can be found in the above mentioned publication.
For bug fixes, comments or further development please contact: mreich@posteo.de.
Start R
Install all dependencies
Install package via devtools:
devtools::install_github("marcianito/gravityInf")
load packages:
library(HyGra)
;
library(gravityInf)
devtools::install_github("marcianito/HyGra")
devtools::install_github("TillF/ppso")
in debian install using:
apt-get update && apt-get install libssl-dev
Warning: depending on your model discretization, in both space and time, it might be necessary to run this analysis on a cluster (or have at least a high performance machine).
It is necessary to have a time series of observed gravity data (could be synthetic).
All changes should be done in a new file following (or a copy of) the infiltration_example.r file.
General setup:
Gravity grid setup:
Inverse sprinkling modeling setup:
GNU General Public License, Version 3, 29 June 2007
Copyright 2021 Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany
gravityInf is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. gravityInf is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.
Marvin Reich; mreich@posteo.de mreich@gfz-potsdam.de
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