Articles | Volume 24, issue 6
https://doi.org/10.5194/hess-24-3331-2020
https://doi.org/10.5194/hess-24-3331-2020
Research article
 | 
30 Jun 2020
Research article |  | 30 Jun 2020

Using altimetry observations combined with GRACE to select parameter sets of a hydrological model in a data-scarce region

Petra Hulsman, Hessel C. Winsemius, Claire I. Michailovsky, Hubert H. G. Savenije, and Markus Hrachowitz

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Latest update: 21 Jun 2024
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Short summary
In the absence of discharge data in ungauged basins, remotely sensed river water level data, i.e. altimetry, may provide valuable information to calibrate hydrological models. This study illustrated that for large rivers in data-scarce regions, river altimetry data from multiple locations combined with GRACE data have the potential to fill this gap when combined with estimates of the river geometry, thereby allowing a step towards more reliable hydrological modelling in data-scarce regions.