Synthetic seismic forward modeling of a high-frequency depositional sequence: the example of the Tiber Depositional Sequence (Central Italy), International Conference of Fluvial Sedimentology (ICFS)

This research presents the results of a synthetic seismic forward modeling carried out by generating stacked sections of the stratigraphic-depositional architecture in the high-frequency Tiber Depositional Sequence (TDS) (Central Italy). The stacked sections were created using the seismo-acoustic approach provided in the geophysical codes developed by the CREWES consortium and modeled in Matlab. The models cover a distance along dip of over 60 km and provide new insights into the seismic response of a sedimentary succession showing the upward passage from a wave-dominated estuary to a wave-dominated delta. The synthetic seismic sections reveal the subsurface structure and sedimentary architecture of the TDS, showing the complexity of the sedimentary environment and the variation in lithology and petrophysical characteristics across the section. The results demonstrate the ability of the seismo-acoustic approach to accurately model the seismic response of sedimentary facies in fluvial, coastal, and shelf environments, providing valuable information for the exploration and exploitation of potential hydrocarbon reservoir systems of which the TDS can be considered as an analogue. The models also highlight the presence of seismic reflectors, interpreted as boundaries between the systems tracts of the TDS, and demonstrate the potential of seismic stratigraphy in the study of continental and shallow-water sedimentary environments.