Isotope and water temperature measurements of the Atlantic Ocean from ODP Site 172-1056, supplement to: Billups, Katharina; Chaisson, William P; Worsnopp, M; Thunell, Robert C (2004): Millennial-scale fluctuations in subtropical northwestern Atlantic surface ocean hydrography during the mid-Pleistocene. Paleoceanography, 19(2), PA2017

Katharina Billups, William P Chaisson, M Worsnopp & Robert C Thunell
We use planktonic foraminiferal (Globigerinoides sacculifer and Neogloboquadrina dutertrei) d18O records from subtropical North Atlantic Site 1056 to reconstruct millennial-scale changes in sea surface hydrography during marine isotope stages (MIS) 10 through 12 (340-440 ka). The difference in the d18O records provides a measure of the thermal gradient from the mixed layer to the seasonal thermocline (delta Tml-tc), which we use to constrain upper ocean stratification and infer northward ocean heat transport. Late Holocene G....
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