Articles | Volume 24, issue 2
Hydrol. Earth Syst. Sci., 24, 535–559, 2020
https://doi.org/10.5194/hess-24-535-2020
Hydrol. Earth Syst. Sci., 24, 535–559, 2020
https://doi.org/10.5194/hess-24-535-2020

Research article 05 Feb 2020

Research article | 05 Feb 2020

Global catchment modelling using World-Wide HYPE (WWH), open data, and stepwise parameter estimation

Berit Arheimer et al.

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Short summary
How far can we reach in predicting river flow globally, using integrated catchment modelling and open global data? For the first time, a catchment model was applied world-wide, covering the entire globe with a relatively high resolution. The results show that stepwise calibration provided better performance than traditional modelling of the globe. The study highlights that open data and models are crucial to advance hydrological sciences by sharing knowledge and enabling transparent evaluation.