Closure to "A remark on finite volume methods for 2D shallow water equations over irregular bottom topography" by Cristiana Di Cristo, Massimo Greco, Michele Iervolino, Riccardo Martino and Andrea Vacca: J. Hydraulic Res., 2020, 59(2), 337–344, 10.1080/00221686.2020.1744752. Issue 6 (2nd November 2021)