Articles | Volume 26, issue 4
https://doi.org/10.5194/hess-26-1019-2022
https://doi.org/10.5194/hess-26-1019-2022
Research article
 | 
22 Feb 2022
Research article |  | 22 Feb 2022

Simultaneous assimilation of water levels from river gauges and satellite flood maps for near-real-time flood mapping

Antonio Annis, Fernando Nardi, and Fabio Castelli

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Short summary
In this work, we proposed a multi-source data assimilation framework for near-real-time flood mapping. We used a quasi-2D hydraulic model to update model states by injecting both stage gauge observations and satellite-derived flood extents. Results showed improvements in terms of water level prediction and reduction of flood extent uncertainty when assimilating both stage gauges and satellite images with respect to the disjoint assimilation of both observations.
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