Alina Nathanaël Dossa is an associate researcher at the IRHOB. He holds a PhD in the physical oceanography of near-surface ocean dynamics off Northeast Brazil, and coastal sea surface salinity gradients in the world’s oceans, from the Federal University of Pernambuco in Brazil. He is also an associated researcher at the International Chair in Mathematical Physics and Applications (ICMPA-UNESCO Chair) of the Abomey-Calavi University (Benin). Alina has carried out diverse research projects using observational, remote sensing, and modelling data looking at the barrier layer in the Gulf of Guinea, western boundary circulation, and coastal surface salinity gradients around the world.