Synthesis of sea surface temperature and foraminifera stable isotope data spanning the mid-Pliocene warm period and early Pleistocene (PlioVAR) ...

The Pliocene Epoch (~2.6–5.3 million years ago, Ma) was characterized by a warmer than present climate with smaller Northern Hemisphere ice sheets, and therefore offers an example of a climate system in long-term equilibrium with current or predicted near-future carbon dioxide concentrations. The en...

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Bibliographic Details
Main Authors: McClymont, Erin L, Ho, Sze Ling, Ford, Heather L, Bailey, Ian, Berke, Melissa A, Bolton, Clara T, De Schepper, Stijn, Grant, Georgia Rose, Groeneveld, Jeroen, Inglis, Gordon N, Karas, Cyrus, Patterson, Molly O, Swann, George E A, Thirumalai, Kaustubh, White, Sarah M, Alonso-Garcia, Montserrat, Anand, Pallavi, Hoogakker, Babette A A, Littler, Kate, Petrick, Benjamin F, Risebrobakken, Bjørg, Abell, Jordan, Crocker, Anya J, de Graaf, Friso Marc, Feakins, Sarah J, Hargreaves, Julia C, Jones, Chloe Louise, Markowska, Monika, Ratnayake, Amila S, Stepanek, Christian, Tangunan, Deborah N
Format: Article in Journal/Newspaper
Language:English
Published: PANGAEA 2023
Subjects:
alkenone SST
benthic and planktonic foraminifers
d18O of planktic foraminifera
foraminifera oxygen isotopes
Mg/Ca-based sea surface temperature
Northern Hemisphere glaciation
Pleistocene
Pliocene
PlioVAR - Pliocene climate variability over glacial-interglacial timescales PAGES_PlioVAR
Ice Sheet
Planktonic foraminifera
Southern Ocean
Online Access:https://dx.doi.org/10.1594/pangaea.956158
https://doi.pangaea.de/10.1594/PANGAEA.956158
Description
Summary:The Pliocene Epoch (~2.6–5.3 million years ago, Ma) was characterized by a warmer than present climate with smaller Northern Hemisphere ice sheets, and therefore offers an example of a climate system in long-term equilibrium with current or predicted near-future carbon dioxide concentrations. The end of the Pliocene (~2.6 Ma) is marked by further ice-sheet expansion and intensification of glacial (cold) stages, referred to as the "intensification of Northern Hemisphere Glaciation" (iNHG). Here we present the data used to assess the spatial and temporal variability of ocean temperatures and ice-volume indicators through the late Pliocene and early Pleistocene (from 3.3 to 2.4 Ma) to determine the character of this climate transition. The data come from the Atlantic, Pacific, Indian and Southern Ocean, as well as some marginal seas. Here we present the synthesized alkenone sea-surface temperature, Mg/Ca sea-surface temperature, planktonic foraminifera d18O and benthic foraminifera d18O data which were used in ...

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