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Finkel, R C; Nishiizumi, Kunihiko (1999): GISP2 Beryllium10 concentration, 719-2253 m. PANGAEA,

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Related to:
Alley, Richard B; Finkel, R C; Nishiizumi, Kunihiko; Anandakrishnan, Sridhar; Shuman, Christopher A; Mershon, G R; Zielinski, G A; Mayewski, Paul A (1995): Changes in continental and sea-salt atmospheric loadings in central Greenland during the most recent deglaciation: Model-based estimates. Journal of Glaciology, 41, 503-514
Davis, John C; Proctor, I D; Southon, John R; Caffee, Mark W; Heikkinen, D W; Roberts, Murray J; Moore, T L; Turteltaub, K W; Nelson, David M; Loyd, D H; Vogel, J C (1990): LLNL/UC AMS facility and research program. Nuclear Instruments and Methods in Physics Research, B52, 269-272,
Finkel, R C; Nishiizumi, Kunihiko (1997): Beryllium 10 concentrations in the Greenland Ice Sheet Project 2 ice core from 3-40 ka. Journal of Geophysical Research-Oceans, 102(C12), 26699-26706,
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,
Greenland Ice Core Projects (GRIP/GISP/NGRIP)
Median Latitude: 36.295000 * Median Longitude: -19.230000 * South-bound Latitude: 0.000000 * West-bound Longitude: -38.460000 * North-bound Latitude: 72.590000 * East-bound Longitude: 0.000000
Date/Time Start: 1990-01-01T00:39:00 * Date/Time End: 1990-01-01T00:39:00
Minimum DEPTH, ice/snow: 720.76 m * Maximum DEPTH, ice/snow: 2251.91 m
GISP2 * Latitude Start: 72.970000 * Longitude Start: -38.800000 * Latitude End: 0.000000 * Longitude End: 0.000000 * Date/Time: 1990-01-01T00:39:00 * Elevation Start: 3208.0 m * Elevation End: 0.0 m * Recovery: 3053 m * Campaign: GISP * Basis: Sampling/drilling ice * Device: Drilling/drill rig (DRILL) * Comment: GISP2 is a combination of the shallow B and the deeper D core; about 200 ka
Melted water was collected from the outside of samples taken for cation and anion analysis by UNH. An aliquot was taken for anion analysis (chloride, nitrate, sulfate) and the remainder was weakly acidified with HNO3 to yield a final pH of about 2, Be, Cl and Al carriers were added. The Be (and Al and Cl) were concentrated from melted ice using ion exchange resins. Be was eluted from the cation exchange column, precipitated as Be(OH)2 and ignited to BeO for accelerator mass spectrometry (AMS) measurement. AMS measurements at the Lawrence Livermore National Laboratory Center for Accelerator Mass Spectrometry (Davis et al., 1990). The 10Be (half-life =1.5x10^6 years) concentration was normalized to an ICN standard after carrier blank and boron background correction.
#NameShort NameUnitPrincipal InvestigatorMethodComment
1DEPTH, ice/snowDepth ice/snowmGeocode
2AGEAgeka BPGeocode
3Depth, top/minDepth topm
4Depth, bottom/maxDepth botm
5Age, minimum/youngAge minka
6Age, maximum/oldAge maxka
7Beryllium 10, water10Be103 atoms/gFinkel, R CAccelerator mass spectrometry (AMS)
8Beryllium 10, standard deviation10Be std dev±Finkel, R CAccelerator mass spectrometry (AMS)
2346 data points

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