Annual markers forming the GICC05 time scale for NGRIP1, NGRIP2, GRIP, and DYE-3 where data was available and sufficiently resolved to allow annual dating. The markers are placed in the winter and spr
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