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Lal, D (1999): GISP2 14-C (radiocarbon) measurements (Table 1). PANGAEA,

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Related to:
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, grip-gisp.iso
Lal, D; Jull, A J Timothy; Burr, George S; Donahue, Douglas J (1997): Measurements of in situ 14C concentrations in Greenland Ice Sheet Project 2 ice covering a 17-kyr time span: Implications to ice flow dynamics. Journal of Geophysical Research: Oceans, 102(C12), 26505-26510,
Greenland Ice Core Projects (GRIP/GISP/NGRIP)
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: 16.50 m * Maximum DEPTH, ice/snow: 1837.40 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
Approx age of ice based on layer counting and delta 18O data for trapped air (Grootes et al., 1993; Sowers et al., 1993; Meese et al., 1994a; Stuiver et al., 1995). Typical errors in determination of 14C concentration in recent samples are 50-60 atoms/g, which includes statistical errors and uncertainties. The larger errors arise from multiple extractions, and in samples from depths 100.4 to 1518 from 14C-decay corrections.
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, ice/snowDepth ice/snowmGeocode
2AGEAgeka BPGeocode
3Depth, top/minDepth topm
4Depth, bottom/maxDepth botm
5Air contentAir contcm3/gLal, D
6Carbon-14 concentration14C concatoms/gLal, Ddecay-corrected 14C concentration (atoms/g) in CO
7Carbon-14 concentration14C concatoms/gLal, Ddecay-corrected 14C concentration (atoms/g) in CO2
8Carbon-14 concentration, standard deviation14C conc std dev±Lal, D
9Carbon-14 concentration, standard deviation14C conc std dev±Lal, D
10Sample commentSample commentLal, D
113 data points

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