Brook, Edward J; Sowers, Todd A; Orchardo, J (1996): Rapid variations in atmospheric methane concentration during the past 110,000 years. Science, 273(5278), 1087-1091, https://doi.org/10.1126/science.273.5278.1087
GRIP/GISP (1997): The Greenland Summit Ice Cores CD-ROM GISP2/GRIP. National Snow and Ice Data Center, University of Colorado at Boulder, and World Data Center for Paleoclimatology, National Geophysical Data Center, Boulder Colorado, CD-ROM, http://store.pangaea.de/Projects/GRIP-GISP/grip-gisp.iso
Latitude: 72.970000 * Longitude: -38.800000
Date/Time Start: 1990-01-01T00:39:00 * Date/Time End: 1990-01-01T00:39:00
Minimum DEPTH, ice/snow: 116.3000 m * Maximum DEPTH, ice/snow: 3038.0000 m
GISP2 * Latitude: 72.970000 * Longitude: -38.800000 * Date/Time: 1990-01-01T00:39:00 * Elevation: 3208.0 m * Recovery: 3053 m * Campaign: GISP * Basis: Sampling/drilling ice * Method/Device: Drilling/drill rig (DRILL) * Comment: GISP2 is a combination of the shallow B and the deeper D core; about 200 ka
Ice ages were calculated by linear interpolation from the Meese et al. timescale. Depth is midpoint of sample.
618 data points