Meltwater Intrusion Deep in the Glacial Arctic Mediterranean em ...

• Main Author: Ye, Liming
• Format: Dataset
• Language: unknown
• Published: figshare 2024
• Subjects: Marine geoscience; Palaeontology incl. palynology; Arctic; Foraminifera*
• Online Access: https://dx.doi.org/10.6084/m9.figshare.24971832.v1; https://figshare.com/articles/dataset/_b_Meltwater_Intrusion_Deep_in_the_Glacial_Arctic_Mediterranean_b_em/24971832/1

The dataset includes five parts: Core data, Ventilation age, C. wuellerstorfi δ 18 O, C.suellerstorfi δ 13 C, and Sea water δ 18 O. For δ 18 O and δ 13 C analysis, 3-5 specimens of the epifaunal benthic foraminifera C. wuellerstorfi were selected from the >150 µm fraction. All results are referenced against the PeeDee belemnite (PDB) and further calibrated using the National Bureau of Standards (NBS) 19. The analytical standard deviation stands at approximately ± 0.07 ‰. For AMS 14 C dating, 7–10 mg of well-preserved specimens of the planktic foraminifera N. pachyderma and 3–4 mg of the epifaunal benthic foraminifera C. wuellerstorfi were selected from the >150 μm fraction at core depths of 0–1 and 3–4 cm. The 14 C-ventilation age has been outlined as the conventional 14 C disparity observed between benthic and planktic foraminifera. The bottom seawater δ 18 O (δ 18 O sw ), expressed in permil relative to Standard Mean Ocean Water (SMOW), was computed from the equilibrium δ 18 O of C. wuellerstorfi . ...