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Lal, D (2001): GISP2 14-C (radiocarbon) measurements (Table 3). PANGAEA,

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Related to:
Cutler, N N; Raymond, C F; Waddington, Edwin D; Meese, D A; Alley, Richard B (1995): The effect of ice-sheet thickness change on the accumulation history inferred from GISP2 layer thicknesses. Annals of Glaciology, 21, 26-32,
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,
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: 125.8 m * Maximum DEPTH, ice/snow: 1837.4 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
Calculated accumulation rates from 14C data (Table 3 in Lal and Jull (1997) compared with glaciological flow-model estimates (Cutler et al., 1995).
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, ice/snowDepth ice/snowmGeocode
2AGEAgeka BPGeocode
3FractionFractionLal, Dapproximate fraction 14C from in-situ production during storage
4Accumulation of snow/ice per yearAcc ratecm/aLal, DEstimatedmodel estimates of Cutler et al., 1995, constant thickness
5Accumulation of snow/ice per yearAcc ratecm/aLal, DEstimatedmodel estimates of Cutler et al., 1995, variable thickness
6Accumulation of snow/ice per yearAcc ratecm/aLal, DEstimatedrequired to correspond to measured in-situ 14C
7Accumulation rate, standard deviationAcc rate std dev±Lal, D
35 data points

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