biostudies-literatureUnknown6Costas SThe uncertainties surrounding present and future sea-level rise have revived the debate around sea-level changes through the deglaciation and mid- to late Holocene, from which arises a need for high-quality reconstructions of regional sea level. Here, we explore the stratigraphy of a sandy barrier to identify the best sea-level indicators and provide a new sea-level reconstruction for the central Portuguese coast over the past 6.5 ka. The selected indicators represent morphological features extracted from coastal barrier stratigraphy, beach berm and dune-beach contact. These features were mapped from high-resolution ground penetrating radar images of the subsurface and transformed into sea-level indicators through comparison with modern analogs and a chronology based on optically stimulateScientific reports38726https://www.ebi.ac.uk/biostudies/studies/S-EPMC5144086biostudies-literatureCoastal barrier stratigraphy for Holocene high-resolution sea-level reconstruction.PMC5144086Costas SFerreira OLeorri EPlomaritis TAfalseCoastal barrier stratigraphy for Holocene high-resolution sea-level reconstruction.The uncertainties surrounding present and future sea-level rise have revived the debate around sea-level changes through the deglaciation and mid- to late Holocene, from which arises a need for high-quality reconstructions of regional sea level. Here, we explore the stratigraphy of a sandy barrier to identify the best sea-level indicators and provide a new sea-level reconstruction for the central Portuguese coast over the past 6.5 ka. The selected indicators represent morphological features extracted from coastal barrier stratigraphy, beach berm and dune-beach contact. These features were mapped from high-resolution ground penetrating radar images of the subsurface and transformed into sea-level indicators through comparison with modern analogs and a chronology based on optically stimulate2016-01-01T00:00:00Z2016 Dec2026-05-05T20:32:38.874Z2019-03-27T02:31:02ZS-EPMC51440862792912210.1038/srep38726