“…Indeed, the GR models are lumped rainfall-runoff models that have been applied to several hundred catchments over a wide range of countries and climates (e.g. Mathevet, 2005, Harlan et al, 2010, Coron et al, 2012, Boumenni et al, 2017, Gaba et al, 2017 and GR4H has already been used for simulating flash floods (Bennett et al, 2014, Ficchì et al, 2016. Moreover, the most cited limitation of GR4H is its poor performance during low flows (Pushpalatha, et al, 2011).…”