Scenario 4 is defined as the EDC3_gas_a age scale, official gas chronology for EDC that can be used for the moment, waiting on a better one. Ice chronology is EDC3 (Parrenin et al., Climate of the Pas
Two timescales are reported here. The original is as reported in Steig et al., Science 282 (1998). This was adjusted slightly to match the flow-model constrained st9810...
We used a 1D numerical model constrained by radar horizons to find the age-depth profile at the European Beyond EPICA - Oldest Ice project drill site (BELDC; 75.29917 °S,...
