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Pivel, Maria Alejandra G; Santarosa, Ana Cláudia Aoki; Toledo, Felipe Antonio de L; Costa, Karen Badaraco (2013): Paleoceanographic record since 13kyr BP of sediment core LaPAS-KF02 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.809924, Supplement to: Pivel, MAG et al. (2013): The Holocene onset in the southwestern South Atlantic. Palaeogeography, Palaeoclimatology, Palaeoecology, 374, 164-172, https://doi.org/10.1016/j.palaeo.2013.01.014

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Published: 2013-04-08 • DOI registered: 2013-05-06

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Abstract:
In this paper we present a paleoceanographic reconstruction of the southwestern South Atlantic for the past 13 kyr based on faunal and isotopic analysis of planktonic foraminifera from a high-resolution core retrieved at the South Brazil Bight continental slope. Our record indicates that oceanographic changes in the southwestern South Atlantic during the onset of the Holocene were comparable in strength to those that occurred during the Younger Dryas. Full interglacial conditions started abruptly after 8.2 kyr BP with a sharp change in faunal composition and surface hydrography (SST and SSS). Part of the observed events may be explained in terms of changes in thermohaline circulation while the other part suggests a dominant role of winds. Our data indicate that during the Early Holocene upwelling was significantly strengthened in the South Brazil Bight promoting high productivity and preventing the establishment of the typically interglacial menardiiform species. In general terms, oceanographic changes recorded by core KF02 occurred in synchrony with Antarctica's climate.
Coverage:
Latitude: -25.840000 * Longitude: -45.200000
Date/Time Start: 1999-05-27T00:00:00 * Date/Time End: 1999-05-27T00:00:00
Event(s):
LaPAS-KF02 * Latitude: -25.840000 * Longitude: -45.200000 * Date/Time: 1999-05-27T00:00:00 * Elevation: -827.0 m * Penetration: 4.89 m * Location: South Atlantic Ocean * Method/Device: Core drilling (CDRILL)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets

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Datasets listed in this publication series

  1. Pivel, MAG; Santarosa, ACA; Toledo, FAL et al. (2013): (Table 1) Age determination of sediment core LaPAS-KF02. https://doi.org/10.1594/PANGAEA.809912
  2. Pivel, MAG; Santarosa, ACA; Toledo, FAL et al. (2013): Sea surface temperature and salinity reconstructions for sediment core LaPAS-KF02. https://doi.org/10.1594/PANGAEA.809921