Plio-Pleistocene age-depth points and occurrence of hiatuses in ODP sites of the Southern Ocean, supplement to: Venz, Kathryn A; Hodell, David A (2002): New evidence for changes in Plio-Pleistocene deep water circulation from Southern Ocean ODP Leg 177 Site 1090. Palaeogeography, Palaeoclimatology, Palaeoecology, 182(3-4), 197-220

Kathryn A Venz & David A Hodell
Changes in Atlantic deep water circulation were reconstructed by comparing the benthic foraminiferal delta13C record at ODP Site 1090 in the South Atlantic with similar records from the North Atlantic (Sites 982, 607, 925, 929) and deep Pacific (Site 849) oceans. Important deep water circulation changes occurred in the early Pleistocene at 1.55 Myr and during the Mid-Pleistocene Transition at 0.9 Myr. At 1.55 Myr, glacial delta13C values in the Southern Ocean became significantly lower...
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