Understanding the physics of sediment transport, by bedload or suspension, and its interactions with fluvial and maritime morphology remains a major challenge for researchers and engineers. The development of ever more sophisticated numerical models over the last few decades, backed by an increasingly detailed understanding of hydrosedimentary processes, has opened up great prospects, but has long come up against the great difficulty of accessing data from quality, whether in the laboratory or in the field. However, the miniaturization of tools, the development of indirect measurement methods and remote sensing, software developments, and the ever-increasing performance of batteries and processors, now allow high-precision, continuous, and high-resolution measurement (spatial and temporal). This has given rise to a great deal of work in recent years. It is now possible to access quality data reflecting the great spatial and temporal variability of the environments (nature of the sediments, granulometry, multiphysical interactions, etc.), and the often non-linear response of sediment transport and morphology to the different forcings (hydro-meteorological and anthropogenic) can be approximated.
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