10.1371/journal.pone.0162587.g003 Ferreol Salomon Ferreol Salomon Simon Keay Simon Keay Nicolas Carayon Nicolas Carayon Jean-Philippe Goiran Jean-Philippe Goiran Borehole locations in the harbour basin of Ostia (upper) and at Portus (lower). Public Library of Science 2016 BC 1 st c ERC-funded RoMP Portuslimen project sedimentation rates Palaeoenvironmental Age-Depth Model chart palaeoenvironmental estimation harbour Ostia AD PADM data Roman ship draughts depth 2016-09-15 17:47:15 Figure https://plos.figshare.com/articles/figure/Borehole_locations_in_the_harbour_basin_of_Ostia_upper_and_at_Portus_lower_/3836304 <p>Only the central harbour pool area of Portus with mixed fluvial and marine influences is taken into account here for Portus. The location of the cores with the best-dated stratigraphic sequences are visible on these two maps.</p>