Lal, D (2001): GISP2 14-C (radiocarbon) measurements (Table 3) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.60023
Always quote citation above when using data! You can download the citation in several formats below.
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, https://doi.org/10.3189/S026030550001555X
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, https://doi.org/10.1029/96JC02224
Project(s):
Greenland Ice Core Projects (GRIP/GISP/NGRIP)
Coverage:
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
Event(s):
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
Comment:
Calculated accumulation rates from 14C data (Table 3 in Lal and Jull (1997) compared with glaciological flow-model estimates (Cutler et al., 1995).
Parameter(s):
# | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
---|---|---|---|---|---|---|
1 | DEPTH, ice/snow | Depth ice/snow | m | Geocode | ||
2 | AGE | Age | ka BP | Geocode | ||
3 | Fraction | Fraction | Lal, D | approximate fraction 14C from in-situ production during storage | ||
4 | Accumulation of snow/ice per year | Acc rate | cm/a | Lal, D | Estimated | model estimates of Cutler et al., 1995, constant thickness |
5 | Accumulation of snow/ice per year | Acc rate | cm/a | Lal, D | Estimated | model estimates of Cutler et al., 1995, variable thickness |
6 | Accumulation of snow/ice per year | Acc rate | cm/a | Lal, D | Estimated | required to correspond to measured in-situ 14C |
7 | Accumulation rate, standard deviation | Acc rate std dev | ± | Lal, D |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
35 data points
Data
1 Depth ice/snow [m] | 2 Age [ka BP] | 3 Fraction (approximate fraction 14C from...) | 4 Acc rate [cm/a] (model estimates of Cutler et ...) | 5 Acc rate [cm/a] (model estimates of Cutler et ...) | 6 Acc rate [cm/a] (required to correspond to mea...) | 7 Acc rate std dev [±] |
---|---|---|---|---|---|---|
125.8 | 0.37500 | 0.12 | 25.4 | 25.3 | 27.1 | 1.7 |
126.2 | 0.37500 | 0.12 | 25.4 | 25.3 | 29.5 | 2.6 |
1518.5 | 9.47000 | 0.13 | 22.6 | 20.5 | 7.8 | 1.4 |
1623.4 | 10.77000 | 0.24 | 19.2 | 16.5 | 16.1 | 1.7 |
1698.5 | 12.39000 | 0.29 | 8.0 | 6.7 | 16.6 | 2.2 |
1749.4 | 13.75000 | 0.29 | 15.0 | 12.4 | 14.0 | 2.0 |
1837.4 | 16.20000 | 0.26 | 8.8 | 7.0 | 8.3 | 1.0 |