Source for the MetroMan algorithm, one of several such algorithms to be used to compute river discharge from SWOT (swot.jpl.nasa.gov).
Reference: https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2018GL080771
Note the GitHub repository swot-ida originally built by GitHub user kmandreadis is no longer the current version of MetroMan, and will not be further developed. The previous version was in Matlab, whereas this version is in Python.