Beisel, Elvira; Frank, Norbert; Robinson, Laura F; Lausecker, Marleen; Friedrich, Ronny; Therre, Steffen; Schröder-Ritzrau, Andrea; Butzin, Martin (2023): Cold-water coral Atlantic thermocline ventilation records over the last 32,000 years [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.959508
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Abstract:
The radiocarbon analysis of uranium-thorium-dated cold-water corals (CWCs) provides an excellent opportunity for qualitative reconstruction of past ocean circulation and water mass aging. While mid-depth water mass aging has been studied in the Atlantic Ocean, the evolution of the thermocline, tightly coupled to the atmosphere, is still largely unknown. Here we present a combined 14C and 230Th/U age record obtained from thermocline dwelling CWCs with partially centennial resolution over the last 32 ka at various locations in the central and east Atlantic Ocean (Azores Front, Mauritania, Angola), as well as in the Alboran Sea.
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Related to:
Beisel, Elvira; Frank, Norbert; Robinson, Laura F; Lausecker, Marleen; Friedrich, Ronny; Therre, Steffen; Schröder-Ritzrau, Andrea; Butzin, Martin (2023): Climate induced thermocline aging and ventilation in the eastern Atlantic over the last 32.000 years. Paleoceanography and Paleoclimatology, e2023PA004662, https://doi.org/10.1029/2023PA004662
Funding:
German Research Foundation (DFG), grant/award no. 312721254: The marine 234U/238U isotopic ratio in the past
German Research Foundation (DFG), grant/award no. 325099762: Atlantic Radiocarbon Calibration using framework forming cold water corals
Coverage:
Median Latitude: 15.042588 * Median Longitude: -9.642858 * South-bound Latitude: -9.823000 * West-bound Longitude: -30.206350 * North-bound Latitude: 38.031250 * East-bound Longitude: 12.781000
Date/Time Start: 2010-11-12T00:00:00 * Date/Time End: 2018-10-27T15:21:00
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
2 datasets
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Datasets listed in this bundled publication
- Beisel, E; Frank, N; Robinson, LF et al. (2023): Radiocarbon dating of Atlantic cold-water corals over the last 32,000 years. https://doi.org/10.1594/PANGAEA.959515
- Beisel, E; Frank, N; Wienberg, C et al. (2023): Uranium-thorium dating of Atlantic cold-water corals from the last 32,000 years. https://doi.org/10.1594/PANGAEA.959510