PIED Piper:

PIED Piper is a suite of Matlab functions and a standalone GUI compiled for the Windows operating system that allows plotting of Piper Plots. It is the first such code written in the Matlab programming language, one of the most commonly used coding languages for environmental scientists in academia and industry. The code and GUI allow plotting of data as points, or plotting data density with colormaps or contour plots.

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Manuscript:

Russoniello, C. J., & Lautz, L. K. (2020). Pay the PIED Piper: Guidelines to Visualize Large Geochemical Datasets on Piper Diagrams. Groundwater, 58(3), 464-469. https://doi.org/10.1111/gwat.12953

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Code:

Lautz, L., C. Russoniello (2020). PIED Piper: Piper Plots in Matlab, HydroShare, https://doi.org/10.4211/hs.a42ad2a19f074a4b8dbc2ca0869cb9e8.