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Raisbeck, Grant M; Cauquoin, Alexandre; Jouzel, Jean; Landais, Amaelle; Petit, Jean-Robert; Lipenkov, Vladimir Y; Beer, Jürg; Synal, Hans-Arno; Oerter, Hans; Johnsen, Sigfus J; Steffensen, Jørgen Peder; Svensson, Anders M; Yiou, Françoise (2017): High-resolution 10Be concentrations in the NGRIP, EDML and Vostok ice cores and high-resolution dD data in Vostok (5G) during the Laschamp excursion. PANGAEA,, Supplement to: Raisbeck, GM et al. (2017): An improved north-south synchronization of ice core records around the 41 kyr 10Be peak. Climate of the Past, 13(3), 217-229,

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Using new high resolution 10Be measurements in the NGRIP, EDML and Vostok ice cores, together with previously published data from EDC, we present an improved synchronization between Greenland and Antarctic ice cores during the Laschamp geomagnetic excursion ~ 41 ky ago. We estimate the precision of this synchronization to be ± 20 years, an order of magnitude better than our previous work. We discuss the implications of this new synchronization for making improved estimates of the difference between ice and enclosed gas of the same age (delta depth), difference between age of ice and enclosed gas at the same depth (delta age) in the EDC and EDML ice cores, spectral properties of the 10Be profiles and phasing between Dansgaard/Oeschger-10 (in NGRIP) and AIM-10 (in EDML and EDC).
Median Latitude: -26.122307 * Median Longitude: 21.528576 * South-bound Latitude: -78.464422 * West-bound Longitude: -42.320000 * North-bound Latitude: 75.100000 * East-bound Longitude: 106.837328
Date/Time Start: 1991-01-01T00:00:00 * Date/Time End: 2006-01-17T00:00:00
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