Genty, Dominique; Blamart, Dominique; Ouahdi, R; Gilmour, M; Baker, A; Jouzel, Jean; Van-Exter, Sandra (2003): Age determination, uranium, carbon and oxygen isotopes ratios of a stalagmite of the Villars cave [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.770434, Supplement to: Genty, D et al. (2003): Precise dating of Dansgaard–Oeschger climate oscillations in western Europe from stalagmite data. Nature, 421, 833-837, https://doi.org/10.1038/nature01391
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Abstract:
The signature of Dansgaard-Oeschger events - millennial-scale abrupt climate oscillations during the last glacial period - is well established in ice cores and marine records (Labeyrie, 2000, doi:10.1126/science.290.5498.1905; Blunier and Brook, 2001, doi:10.1126/science.291.5501.109: Bond et al., 2001, doi:10.1126/science.1065680). But the effects of such events in continental settings are not as clear, and their absolute chronology is uncertain beyond the limit of 14C dating and annual layer counting for marine records and ice cores, respectively. Here we present carbon and oxygen isotope records from a stalagmite collected in southwest France which have been precisely dated using 234U/230Th ratios. We find rapid climate oscillations coincident with the established Dansgaard-Oeschger events between 83,000 and 32,000 years ago in both isotope records. The oxygen isotope signature is similar to a record from Soreq cave, Israel (Bar-Mathews et al., 2000, doi:10.1016/S0009-2541(99)00232-6), and deep-sea records (Bond et al., 1993, doi:10.1038/365143a0; Shackleton and Hall, 2001, doi:10.1029/2000PA000513), indicating the large spatial scale of the climate oscillations. The signal in the carbon isotopes gives evidence of drastic and rapid vegetation changes in western Europe, an important site in human cultural evolution. We also find evidence for a long phase of extremely cold climate in southwest France between 61.2 +/-0.6 and 67.4 0.9 kyr ago.
Coverage:
Latitude: 45.440000 * Longitude: 0.780000
Event(s):
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
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3 datasets
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Datasets listed in this publication series
- Genty, D; Blamart, D; Ouahdi, R et al. (2003): (Table 2) Vil9 stalagmite stable isotope results. https://doi.org/10.1594/PANGAEA.770432
- Genty, D; Blamart, D; Ouahdi, R et al. (2003): (Table 3) Vil9 stalagmite stable isotope results of double measurements. https://doi.org/10.1594/PANGAEA.770433
- Genty, D; Blamart, D; Ouahdi, R et al. (2003): (Table 1) Vil9 stalagmite TIMS uranium-series analyses. https://doi.org/10.1594/PANGAEA.770431