Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 30, issue 8
Articles | Volume 30, issue 8
https://doi.org/10.5194/hess-30-2493-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-30-2493-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 30, issue 8
Research article
 | 
29 Apr 2026
Research article |  | 29 Apr 2026

What can hydrological modelling gain from spatially explicit parameterization and multi-gauge calibration?

Xudong Zheng, Dengfeng Liu, Hao Wang, Chuanhui Ma, Hui Liu, Guanghui Ming, Qiang Li, Mohd Yawar Ali Khan, and Fiaz Hussain

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Short summary
This study presents an experimental framework (EF-SPM) to disentangle and evaluate the benefits of spatially explicit parameterization and multi-gauge calibration in distributed hydrological modelling. Experiments in a nested catchment show that both strategies consistently improve streamflow simulations across sub-basins, jointly alleviating multi-objective competition and the trade-off between spatial complexity and parameter identifiability.
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