Scientific Studies of Tidal Bores
Scientific measurements in tidal bores are challenging because of the force of the tidal bore flow. This is evidenced by a number of field work incidents in the Dee River, Rio Mearim, Daly River and Sélune River: "during this deployment, the instrument was repeatedly buried in sediment after the 1st tidal cycle and had to be dug out of the sediment, with considerable difficulty, at the time of recovery" (Dee River); "About 20 min after the passage of the bore the two aluminium frames at site C were toppled. A 3-min-duration patch of macroturbulence was observed. This unsteady motion was sufficiently energetic to topple moorings that had survived much higher, quasi-steady currents of 1.8 m/s" (Daly River); "the field study experienced a number of problems and failures. About 40 s after the passage of the bore, the metallic frame started to move. The ADV support failed completely 10 minutes after the tidal bore." (Sélune River).
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