Official timescale of GISP2; created by combining the original layer-counted timescale of Meese et al (1994), to about 50,000 years, with a timescale constructed using trace gas measurements from the Vostok and GISP2 cores, placed on the SPECMAP marine timescale. See Bender et al. (1994) for details.
This data repository is not currently reporting usage information. For information on how your repository can submit usage information, please see our documentation.