Unsteady velocity profiling in bores and positive surges

Vertical profile of the time-averaged longitudinal velocity and velocity fluctuations in steady flow: comparison between ADV and Profiler data - Arrow point to 'weak spots' - Flow conditions: Q =0.100 m3/s, d1 =0.177 m,Re =1.5×105, x=7.87 m, δ/d1 =0.42