Non-perennial stream networks as directed acyclic graphs: The R-package streamDAG - Ken Aho; Cathy Kriloff; Sarah E. Godsey; Rob Ramos; Chris Wheeler; Yaqi You; Sara Warix; DeWayne Derryberry; Sam Zipper; Rebecca L. Hale; Charles T. Bond; Kevin A. Kuehn (Environmental Modelling & Software, 2023)