Articles | Volume 25, issue 2
https://doi.org/10.5194/hess-25-885-2021
https://doi.org/10.5194/hess-25-885-2021
Research article
 | 
24 Feb 2021
Research article |  | 24 Feb 2021

Assessing different imaging velocimetry techniques to measure shallow runoff velocities during rain events using an urban drainage physical model

Juan Naves, Juan T. García, Jerónimo Puertas, and Jose Anta

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Short summary
Surface water velocities are key in the calibration of physically based urban drainage models, but the shallow depths developed during non-extreme rainfall and the risks during floods limit the availability of this type of data. This study proves the potential of different imaging velocimetry techniques to measure water runoff velocities in urban catchments during rain events, highlighting the importance of considering rain properties to interpret and assess the results obtained.