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Creating a Streamflow Reconstruction App


This repository contains code associated with the Paleoflow website, available at

Paleoflow allows users to visualize and analyze historical streamflows reconstructed from tree-rings. Users can quickly view and interact with reconstructed flow data online, rather than downloading raw data and processing it offline. Further, users can view the full reconstruction, zoom in on important periods, extract extreme flow details, compare two historical periods, and see the reconstruction’s goodness-of-fit. Users can also submit new reconstructions. This interactivity is intended to increase use, and thereby interest and confidence, among researchers, stakeholders, decision makers, and the public.


All code is presented in the Code Folder, with more detailed explanations.

Paleoflow website screenshot

Reference and How to Cite

For description of this website and package, please use the following citation:

  • Stagge, J.H., Rosenberg, D.E., and DeRose, R.J. (2019) "PaleoFlow: An Online Visualization Tool for Reconstructed Streamflows." SoftwareX. In review.

For use of this code, please cite the above paper and the following:


  • James H. Stagge - Owner - jstagge


This project is licensed under the MIT License - see the file for details


  • This work was funded by Utah Mineral Lease funds.
  • The authors thank developers of the TreeFlow website and the NOAA World Data Center for Paleoclimatology for hosting climate reconstruction data.
  • We would also like to thank the authors of numerous R packages cited in the article.


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