Statistical characterization of spatiotemporal sediment dynamics in the Venice lagoon

High suspended sediment concentration (SSC) events in the Venice lagoon can be modeled as a marked Poisson process, with exponentially distributed interarrival times, peak intensities, and durations. The study reveals that while intensity and duration of these events are temporally correlated, interarrival times show little correlation with other factors. Benthic vegetation plays a significant role by reducing resuspension events in the central southern lagoon, affecting adjacent areas. Additionally, advection and dispersion processes contribute to mixing suspended sediments, leading to more homogeneous spatial patterns of mean interarrival times for SSC events compared to bottom shear stress events.

Carniello, L., D’Alpaos, A., Botter, G., & Rinaldo, A. (2016). Statistical characterization of spatiotemporal sediment dynamics in the Venice lagoon. Journal of Geophysical Research: Earth Surface, 121(5), 1049–1064. Portico. https://doi.org/10.1002/2015jf003793