Data for: Consistent fluctuations in intermediate water temperature off the coast of Greenland and Norway during Dansgaard-Oeschger events

About dataset: Sessford et al., (submitted) QSR

Core: MD99-2284
Campaign: MD114 (IMAGES V)
Ship: Marion Dufresne
Device: Calypso Corer
Recovery: 33.15 m
Location: N. Shetland Channel
Latitude: 62.374667 N * Longitude -0.980167 W
Elevation: -1500m
Date: 1999.08.01

New data presented in this study are the trace element ratios (Mg/Ca, Fe/Ca, Al/Ca and Mn/Ca) for the benthic species, C. neoteretis in core MD99-2284. All other data from MD99-2284 were originally published in either Dokken et al., (2013) or Sadatzki et al., (Submitted).
Datasets included here are: 18O C. neoteretis, 13C C. neoteretis, 18O N. pachyderma, 13C N. pachyderma, % N. pachyderma, IRD > 0.5mm/gram, IP25 and PBIP25.

Core: GS15-198-36CC
Campaign: Ice2Ice
Ship: G.O.Sars
Device: Calypso Corer
Recovery: 19.53 m
Location: N. Denmark Strait
Latitude: 68.031944 N * Longitude -22.116111 W
Elevation: -770m
Date: 2015.07.26

All data is published in Sessford et al., (2018), however it is on an updated age model in this dataset. Datasets included here are: Mg/Ca C. neoteretis, 18O C. neoteretis, 13C C. neoteretis, 18O N. pachyderma, 13C N. pachyderma, % N. pachyderma, magnetic susceptibility.

Core: PS2644-5
Campaign: ARK-X/2
Ship: Polarstern
Device: Gravity corer
Recovery: 9.18 m
Location: N. Denmark Strait
Latitude: 67.8666660 N * Longitude -21.765000 W
Elevation: -777m
Date: 1994.09.19

All data is originally published in Voelker et al., (2000) and or Voelker and Haflidison (2015), however on an updated age model in this dataset. Datasets included here are: 18O N. pachyderma, 13C N. pachyderma, % N. pachyderma, concentration N. pachyderma (#/g), IRD > 150 (#/g).

References

Dokken, T. M., K. H. Nisancioglu, C. Li, D. S. Battisti, and C. Kissel (2013), Dansgaard-Oeschger cycles: Interactions between ocean and sea ice intrinsic to the Nordic seas, Paleoceanography, 28(3), 491-502.

Sadatzki, H., T. Dokken, S. M. P. Berben, F. Muschitiello, R. Stein, K. Fahl, L. Menviel, A. Timmermann, and E. Jansen (2019), Sea ice variability in the southern Norwegian Sea during glacial Dansgaard-Oeschger climate cycles, Science Advances.

Sessford, E. G., A. A. Tisserand, B. Risebrobakken, C. Andersson, T. Dokken, and E. Jansen (2018), High-Resolution Benthic Mg/Ca Temperature Record of the Intermediate Water in the Denmark Strait Across D-O Stadial-Interstadial Cycles, Paleoceanography and Paleoclimatology, 33(11), 1169-1185.

Voelker, A. H. L., and H. Haflidason (2015), Refining the Icelandic tephrachronology of the last glacial period – The deep-sea core PS2644 record from the southern Greenland Sea, Global and Planetary Change, 131, 35-62.

Voelker, A., P. Grootes, M. J. Nadeau, and M. Sarnthein (2000), Radiocarbon levels in the Iceland Sea from 25-53 kyr and their link to the Earth's magnetic field intensity, Radiocarbon, 42(3), 437-452.