License¶

Software License¶

The EEMT software framework is released under the BSD 3-Clause License.

BSD 3-Clause License

Copyright (c) 2019, Tyson Lee Swetnam
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its
   contributors may be used to endorse or promote products derived from
   this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Documentation License¶

This documentation is licensed under Creative Commons Attribution 4.0 International (CC BY 4.0).

You are free to: - Share — copy and redistribute the material in any medium or format - Adapt — remix, transform, and build upon the material for any purpose

Under the following terms: - Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made.

Data Licenses¶

Public Domain Data¶

USGS 3DEP elevation data: Public domain
DAYMET climate data: Public domain (US Government work)
Landsat satellite imagery: Public domain (US Government work)

Third-Party Data¶

PRISM climate data: Oregon State University, usage restrictions may apply
OpenTopography data: Various licenses depending on data source
MODIS products: NASA public domain with attribution requirements

Citation Requirements¶

If you use EEMT in your research, please cite the appropriate methodological papers:

Primary Citation¶

@article{rasmussen2015quantifying,
  title={Quantifying topographic and vegetation effects on the transfer of energy and mass to the critical zone},
  author={Rasmussen, Craig and Pelletier, Jon D and Troch, Peter A and Swetnam, Tyson L and Chorover, Jon},
  journal={Vadose Zone Journal},
  volume={14},
  number={1},
  year={2015},
  publisher={Soil Science Society of America},
  doi={10.2136/vzj2014.07.0102}
}

Software Citation¶

@software{eemt_software_2026,
  title={EEMT: Effective Energy and Mass Transfer Calculation Framework},
  author={Swetnam, Tyson L. and Rasmussen, Craig and Pelletier, Jon D.},
  year={2026},
  url={https://github.com/tyson-swetnam/eemt},
  version={2026.1}
}

Third-Party Licenses¶

GRASS GIS¶

GNU General Public License v2.0 or later
https://grass.osgeo.org/about/license/

GDAL/OGR¶

MIT/X11 License
https://gdal.org/license.html

Python Scientific Stack¶

Various open source licenses (BSD, MIT, Apache 2.0)

Contributing¶

By contributing to this project, you agree that your contributions will be licensed under the same terms as the project (BSD 3-Clause License for code, CC BY 4.0 for documentation).

See Development Guide for more information.