Abstract:
:The experimental dataset presented was collected in an 18 m long and 1 m wide laboratory flume. Low to high flood flows through an urbanized floodplain were modelled. The floodplain bed is rough, modelled with dense artificial grass. A square cylinder array, representing house models, was set on the rough bed. The cylinder immersion rate was varied: cylinders are emerged for three flow cases and slightly submerged for one case. The experimental dataset comprises water levels, measured using an ultrasonic transit time probe, velocities across the channel measured using an Acoustic Doppler Velocimetry with a side looking probe, and velocities in longitudinal-vertical planes measured using Particle Image Velocimetry. These data could help understanding the physical processes associated with high flood flows through urbanized floodplains, with a focus on the transition from emerged to submerged obstacles. They could also be used as benchmark data to assess the ability of numerical models from one to three-dimensions to estimate the flood hazard (water depth, velocity) over a wide range of flood event magnitudes.
journal_name
Sci Datajournal_title
Scientific dataauthors
Oukacine M,Proust S,Larrarte F,Goutal Ndoi
10.1038/s41597-020-00791-wsubject
Has Abstractpub_date
2021-01-11 00:00:00pages
6issue
1issn
2052-4463pii
10.1038/s41597-020-00791-wjournal_volume
8pub_type
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