climate changes during the last ice age to be tested. The Marine Reservoir Effect in C-14 is a phenomenon that works as a proxy for several climate-related parameters. Still, the MRE remains understudied in many [...] MARCARA project aims to fill a long-standing gap in radiocarbon research. The project combines both experimental data acquired in the lab with numerical modelling, which is a powerful combination that will [...] Heaton, T.J., Butzin, M. , Bard, E. , Bronk Ramsey, C., Hughen, K.A., Köhler, P., Reimer, P.J.: MARINE RADIOCARBON CALIBRATION IN POLAR REGIONS: A SIMPLE APPROXIMATE APPROACH USING MARINE20. Radiocarbon, 20