Articles | Volume 25, issue 11
https://doi.org/10.5194/hess-25-5805-2021
https://doi.org/10.5194/hess-25-5805-2021
Research article
 | 
11 Nov 2021
Research article |  | 11 Nov 2021

On the selection of precipitation products for the regionalisation of hydrological model parameters

Oscar M. Baez-Villanueva, Mauricio Zambrano-Bigiarini, Pablo A. Mendoza, Ian McNamara, Hylke E. Beck, Joschka Thurner, Alexandra Nauditt, Lars Ribbe, and Nguyen Xuan Thinh

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Latest update: 12 Jun 2024
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Short summary
Most rivers worldwide are ungauged, which hinders the sustainable management of water resources. Regionalisation methods use information from gauged rivers to estimate streamflow over ungauged ones. Through hydrological modelling, we assessed how the selection of precipitation products affects the performance of three regionalisation methods. We found that a precipitation product that provides the best results in hydrological modelling does not necessarily perform the best for regionalisation.