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de Winter, Niels J; Zeeden, Christian; Hilgen, Frederik J (2014): Magnetic susceptibility, XRF and color reflectance data of DSDP Hole 72-516F, cores 113 and 114 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.828372, Supplement to: de Winter, NJ et al. (2014): Low-latitude climate variability in the Heinrich frequency band of the Late Cretaceous greenhouse world. Climate of the Past, 10(3), 1001-1015, https://doi.org/10.5194/cp-10-1001-2014

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Abstract:
Deep marine successions of early Campanian age from DSDP site 516F drilled at low paleolatitudes in the South Atlantic reveal distinct sub-Milankovitch variability in addition to precession and eccentricity related variations. Elemental abundance ratios point to a similar 5 climatic origin for these variations and exclude a quadripartite structure - as observed in the Mediterranean Neogene - of the precession related cycles as an explanation for the inferred semi-precession cyclicity in MS. However, the semi-precession cycle itself is likely an artifact, reflecting the first harmonic of the precession signal. The sub-Milankovitch variability is best approximated by a ~ 7 kyr cycle as shown by 10 spectral analysis and bandpass filtering. The presence of sub-Milankovitch cycles with a period similar to that of Heinrich events of the last glacial cycle is consistent with linking the latter to low-latitude climate change caused by a non-linear response to precession induced variations in insolation between the tropics.
Project(s):
Center for Marine Environmental Sciences (MARUM)
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: -30.276500 * Longitude: -35.285000
Date/Time Start: 1980-03-11T00:00:00 * Date/Time End: 1980-03-11T00:00:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
3 datasets

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Datasets listed in this publication series

  1. de Winter, NJ; Zeeden, C; Hilgen, FJ (2014): Color reflectance data of DSDP Hole 72-516F, cores 113 and 114. https://doi.org/10.1594/PANGAEA.828359
  2. de Winter, NJ; Zeeden, C; Hilgen, FJ (2014): Magnetic susceptibility of DSDP Hole 72-516F, cores 113 and 114. https://doi.org/10.1594/PANGAEA.828361
  3. de Winter, NJ; Zeeden, C; Hilgen, FJ (2014): X-ray fluorescence data of DSDP Hole 72-516F, cores 113 and 114. https://doi.org/10.1594/PANGAEA.828371