On the practical applicability of the VPMS routing method for rating curve development at ungauged river sites.

This paper presents a novel approach for enhancing the accuracy of the variable parameter Muskingum stage hydrograph routing method proposed by Perumal et al. (2007) for rating curve development at ungauged river sites having irregular cross sections. The approach has been well tested for the reproduction of stage and discharge hydrographs and for rating curve development at an ungauged section of the Tiber River in central Italy considering two different natural channel reaches.