Articles | Volume 27, issue 2
https://doi.org/10.5194/hess-27-331-2023
https://doi.org/10.5194/hess-27-331-2023
Research article
 | 
18 Jan 2023
Research article |  | 18 Jan 2023

Intercomparison of global reanalysis precipitation for flood risk modelling

Fergus McClean, Richard Dawson, and Chris Kilsby

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Latest update: 20 May 2024
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Short summary
Reanalysis datasets are increasingly used to drive flood models, especially for continental and global analysis. We investigate the impact of using four reanalysis products on simulations of past flood events. All reanalysis products underestimated the number of buildings inundated, compared to a benchmark national dataset. These findings show that while global reanalyses provide a useful resource for flood modelling where no other data are available, they may underestimate impact in some cases.