Hamdi Omar summarising his new research on Berriasian paleoclimate and stratigraphy.Omar, H., Da Silva, A.-C., Yaich, C., (2021). Linking the Variation of Sediment Accumulation Rate to Short Term Sea-Level Change Using Cyclostratigraphy: Case Study of the Lower Berriasian Hemipelagic Sediments in Central Tunisia (Southern Tethys). Frontiers in Earth Science 9. https://doi.org/10.3389/feart.2021.638441