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Description:

roger 3.0.8

Runoff Generation Research - a process-based hydrological toolbox model in Python

RoGeR, Runoff Generation Research, is a process-based hydrological model that can be applied from plot to catchment scale. RoGeR is written in pure Python, which facilitates model setup and model workflows. We want to enable high-performance hydrological modelling with a clear focus on flexibility and usability.
RoGeR supports a NumPy backend for small-scale problems, and a
high-performance JAX backend
with CPU and GPU support. Parallel computation is available via MPI and supports
distributed execution on any number of nodes/CPU cores.
Inspired by Veros.
Documentation
We strongly recommend to visit our documentation.
Features

(25 square meter resolved simulations
of the Eberbaechle catchment,
Germany (2019-2022), click for better
quality)

RoGeR provides

grid-based 1D models
offline solute transport with several StorAge selection (SAS) functions
solute-specific biogeochemical processes
implementations of capillary-driven infiltration (Green-Ampt)
several pre-implemented diagnostics such as averages or collecting values
at given time interval, variable time aggregation, travel time distributions
and residence time distributions (written to netCDF4 output)
pre-configured idealized and realistic setups that are ready to
run and easy to adapt
accessibility and extensibility due to high-level programming language Python

Basic usage
To run RoGeR, you need to set up a model --- i.e., specify which settings
and model domain you want to use. This is done by subclassing the
RogerSetup base class in a setup script that is written in Python. A good
place to start is the
SVAT Tutorial:
After setting up your model, all you need to do is call the model setup:
# move into the folder containing the model script
python svat.py

For more information on using RoGeR, have a look at our
documentation.
Contributing
Contributions to RoGeR are always welcome, no matter if you spotted an
inaccuracy in the documentation, wrote a
new setup, fixed a bug, or even extended RoGeR' core mechanics. There
are 2 ways to contribute:

If you want to report a bug or request a missing feature, please
open an issue. If you
are reporting a bug, make sure to include all relevant information
for reproducing it (ideally through a minimal code sample).
If you want to fix the issue yourself, or wrote an extension for
Roger - great! You are welcome to submit your code for review by
committing it to a repository and opening a pull
request. However,
before you do so, please check the contribution
guide
for some tips on testing and benchmarking, and to make sure that
your modifications adhere with our style policies. Most importantly,
please ensure that you follow the PEP8
guidelines, use
meaningful variable names, and document your code using
Google-style
docstrings.

How to cite
If you use Roger in scientific work, please consider citing the following publication:
@article{
title = {Roger v3.0.3 – a process-based hydrologic toolbox model in {Python}},
volume = {...},
doi = {https://doi.org/10.5194/gmd-2023-118},
journal = {Geosci. Model Dev.},
author = {Schwemmle, Robin, and Leistert, Hannes, and Weiler, Markus},
year = {2023},
pages = {...},
}

Or have a look at our documentation
for more publications involving Roger.
TODO

implement runoff and channel routing (e.g. kinematic wave or hydraulic approach)
implement distributed model with run-on infiltration
use coarser spatial and temporal resolution for computation of
groundwater-related processes
implement baseflow in the groundwater routine. requires surface water depth.
implement surface runoff generation for gravity-driven infiltration
implement gravity-driven infiltration and percolation and include it into the transport routine
implement time-variant sowing and harvesting of crops

License
This software can be distributed freely under the MIT license. Please read the LICENSE for further information.
© 2024, Robin Schwemmle (robin.schwemmle@hydrology.uni-freiburg.de)