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Catchmentwide erosion rate calculator

Project description

Catchmentwide Erosion Rate Calculator for in situ cosmogenic nuclides

This calculator processes geospatial data (digital elevation model, catchment outline and other) to extract hypsometry statistics of the catchment and determine a cosmogenic nuclide catchmentwide erosion rate. It uses the online erosion rate calculator by Greg Balco (e.g. http://stoneage.hzdr.de/) to calculate cosmogenic nuclide production.

The method currently works for in situ Be-10 and Al-26 data and is considered robust for catchments up to approx. 600 km x 600 km; for larger catchments the effect of latitude on cosmogenic production may become significant.

Citation

The software is described in:

Stübner, K., Balco, G., and Schmeisser, N. (in review). Calculating catchmentwide erosion rates using an existing online calculator. Radiocarbon.

Installation and Usage

This software has been developed on python 3.9 and needs the packages xarray, rasterio, fiona and pyproj as well as several other common python packages. Example scripts are provided as jupyter notebooks.

This release has two folders: The folder riversand has the actual code. The folder example_scripts is an example of what your project might look like. It has two jupyter notebooks quickstart.ipynb and step-by-step.ipynb and a folder test_data with example data.

License

Copyright (C) 2023 Konstanze Stübner kstueb@gmail.com

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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