Raisbeck, Grant M; Yiou, Françoise; Jouzel, Jean; Stocker, Thomas F (2007): High-resolution 10Be concentrations in the EDC96 ice core [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.872445, Supplement to: Raisbeck, GM et al. (2007): Direct north-south synchronization of abrupt climate change record in ice cores using Beryllium 10. Climate of the Past, 3(3), 541-547, https://doi.org/10.5194/cp-3-541-2007
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Abstract:
A new, decadally resolved record of the 10Be peak at 41 kyr from the EPICA Dome C ice core (Antarctica) is used to match it with the same peak in the GRIP ice core (Greenland). This permits a direct synchronisation of the climatic variations around this time period, independent of uncertainties related to the ice age-gas age difference in ice cores. Dansgaard-Oeschger event 10 is in the period of best synchronisation and is found to be coeval with an Antarctic temperature maximum. Simulations using a thermal bipolar seesaw model agree reasonably well with the observed relative climate chronology in these two cores. They also reproduce three Antarctic warming events observed between A1 and A2.
Project(s):
Funding:
Fifth Framework Programme (FP5), grant/award no. EVK2-CT-2000-00077: European Project for Ice Coring in Antarctica
Fourth Framework Programme (FP4), grant/award no. ENV4980702: European Project for Ice Coring in Antarctica
Coverage:
Latitude: -75.100000 * Longitude: 123.350000
Minimum DEPTH, ice/snow: 698.06 m * Maximum DEPTH, ice/snow: 787.60 m
Event(s):
EDC96 * Latitude: -75.100000 * Longitude: 123.350000 * Elevation: 3233.0 m * Location: Antarctica * Campaign: Dome C * Method/Device: Ice drill (ICEDRILL)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, ice/snow | Depth ice/snow | m | Raisbeck, Grant M | Geocode – top of sample | |
| 2 | Beryllium-10, water | 10Be | 103 atoms/g | Raisbeck, Grant M |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
802 data points