“…Hydrological modeling is an essential tool for understanding the hydrological processes of a catchment and forecasting streamflow (Liu et al, 2015(Liu et al, , 2018Turner et al, 2017;Delorit et al, 2017;Fenicia et al, 2014Fenicia et al, , 2018Hublart et al, 2016;Höge et al, 2018;Sarrazin et al, 2016;Wi et al, 2015;Herman et al, 2013;Wagener et al, 2001Wagener et al, , 2003Madsen, 2000;Osuch et al, 2019;Zhang et al, 2019). Unfortunately, the paucity of progress in model development is partly due to structural inadequacy.…”