Citation:

PANGAEA.56080

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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, 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: 16.50 m * Maximum DEPTH, ice/snow: 1837.40 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: * 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:

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.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Comment
1	DEPTH, ice/snow	Depth ice/snow	m		Geocode
2	AGE	Age	ka BP		Geocode
3	Depth, top/min	Depth top	m
4	Depth, bottom/max	Depth bot	m
5	Air content	Air cont	cm³/g	Lal, D
6	Carbon-14 concentration	14C conc	atoms/g	Lal, D	decay-corrected 14C concentration (atoms/g) in CO
7	Carbon-14 concentration	14C conc	atoms/g	Lal, D	decay-corrected 14C concentration (atoms/g) in CO2
8	Carbon-14 concentration, standard deviation	14C conc std dev	±	Lal, D
9	Carbon-14 concentration, standard deviation	14C conc std dev	±	Lal, D
10	Sample comment	Sample comment		Lal, D

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

113 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Depth ice/snow [m]	2 Age [ka BP]	3 Depth top [m]	4 Depth bot [m]	5 Air cont [cm³/g]	6 14C conc [atoms/g] (decay-corrected 14C concentra...)	7 14C conc [atoms/g] (decay-corrected 14C concentra...)	8 14C conc std dev [±]	9 14C conc std dev [±]	10 Sample comment
16.50	0.05	16.00	17.00		1280	0	90	30	Tube 16/mass (kg): 3.1
18.50	0.05	18.00	19.00		510	1910	100	150	Tube 18/mass (kg): 2.9
31.50	0.05	31.00	32.00	0.0043	460	100	100	100	Tube 31/mass (kg): 3.4
34.50	0.05	34.00	35.00		995	1965	60	200	Tube 34/mass (kg): 1.7
87.40	0.22	87.00	87.80	0.0676	180	1260	70	60	Tube 88/mass (kg): 3.1
91.00	0.22	90.60	91.40			900			Tube 89
100.70	0.28	100.40	100.99	0.0667	80	1113	70	60	Tube 101/mass (kg): 2.3
101.10	0.28	100.99	101.20	0.1041	655	1533	60	60	Tube 102/mass (kg): 0.58
125.75	0.38	125.50	126.00	0.0779	120	1950	70	50	Tube 126/mass (kg): 1.5
126.15	0.28	126.00	126.30	?0.1365	100	1860	70	60	Tube 127/mass (kg): 0.98
1518.40	9.47	1518.00	1518.80	0.0751	3860	1860	180	180	Tube 1519/mass (kg): 2.6
1623.40	10.77	1623.00	1623.80	0.0767	940	2540	190	190	Tube 1624/mass (kg): 2.5
1698.51	12.39	1698.13	1698.89	0.0779	50	3530	250	250	Tube 1699/mass (kg): 2.8
1749.40	13.75	1749.00	1749.80	0.0861	915	3270	325	320	Tube 1750/mass (kg): 2.7
1837.40	16.20	1837.00	1837.80	0.0809	2235	4060	470	470	Tube 1838/mass (kg): 2.8