Steady and Unsteady Open-Channel Flow Computation R package rivr version 1.2-3 A tool for undergraduate and graduate courses in open-channel hydraulics. Provides functions for computing normal and critical depths, steady-state water surface profiles (e.g. backwater curves) and unsteady flow computations (e.g. flood wave routing) as described in Koohafkan MC, Younis BA (2015). "Open-channel computation with R." The R Journal, 7(2), 249–262. <doi: 10.32614/RJ-2015-034>. Software Depends: R (>= 3.4) Imports: utils, graphics, Rcpp (>= 1.0) LinkingTo: Rcpp Suggests: dplyr, ggplot2, knitr, rmarkdown, shiny Michael C Koohafkan <michael.koohafkan@gmail.com> Comprehensive R Archive Network (CRAN) Michael C Koohafkan [aut, cre] GPL (>= 3) 2021-01-21 application/tgz https://CRAN.R-project.org/package=rivr doi:10.32614/CRAN.package.rivr