Articles | Volume 20, issue 3
Hydrol. Earth Syst. Sci., 20, 1151–1176, 2016
https://doi.org/10.5194/hess-20-1151-2016
Hydrol. Earth Syst. Sci., 20, 1151–1176, 2016
https://doi.org/10.5194/hess-20-1151-2016

Research article 17 Mar 2016

Research article | 17 Mar 2016

The importance of topography-controlled sub-grid process heterogeneity and semi-quantitative prior constraints in distributed hydrological models

Remko C. Nijzink et al.

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Short summary
The heterogeneity of landscapes in river basins strongly affects the hydrological response. In this study, the distributed mesoscale Hydrologic Model (mHM) was equipped with additional processes identified by landscapes within one modelling cell. Seven study catchments across Europe were selected to test the value of this additional sub-grid heterogeneity. In addition, the models were constrained based on expert knowledge. Generally, the modifications improved the representation of low flows.