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Banerjee, Asmita; Yeung, Laurence Y; Murray, Lee T; Tie, Xin; Tierney, Jessica E; LeGrande, Allegra N (2022): Ice core O2 clumped isotope data from the Last Glacial Maximum measured in Greenland Ice Sheet Project (GISP2-D) ice core [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.940250

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Abstract:
Laboratory O2 clumped-isotope data (as D36 values measured at Rice University) for air occluded in ice core GISP2-D spanning gas ages of 18000-21000 ky BP for the Last Glacial Maximum (LGM). Modeled atmospheric history for the LGM via outputs of the GISS-E2.1 driven and Data Assimilation (DAv2.0) driven chemical transport model incorporated into a 2-box model of the atmosphere.
Keyword(s):
clumped isotope; GISP2; Ice core; Last Glacial Maximum; WAIS Divide
Related to:
Banerjee, Asmita; Yeung, Laurence Y; Murray, Lee T; Tie, Xin; Tierney, Jessica E; LeGrande, Allegra N (2022): Clumped‐Isotope Constraint on Upper‐Tropospheric Cooling During the Last Glacial Maximum. AGU Advances, 3(4), https://doi.org/10.1029/2022AV000688
Source:
Seierstad, Inger K; Abbott, Peter M; Bigler, Matthias; Blunier, Thomas; Bourne, Anna J; Brook, Edward J; Buchardt, Susanne L; Buizert, Christo; Clausen, Henrik Brink; Cook, Eliza; Dahl-Jensen, Dorthe; Davies, Siwan M; Guillevic, Myriam; Johnsen, Sigfús Jóhann; Pedersen, Desirée S; Popp, Trevor J; Rasmussen, Sune Olander; Severinghaus, Jeffrey P; Svensson, Anders M; Vinther, Bo Møllesøe (2014): Consistently dated records from the Greenland GRIP, GISP2 and NGRIP ice cores for the past 104 ka reveal regional millennial-scale δ18O gradients with possible Heinrich event imprint. Quaternary Science Reviews, 106, 29-46, https://doi.org/10.1016/j.quascirev.2014.10.032
Severinghaus, Jeffrey P; Beaudette, Ross; Headly, Melissa A; Taylor, Kendrick C; Brook, Edward J (2009): Oxygen-18 of O2 Records the Impact of Abrupt Climate Change on the Terrestrial Biosphere. Science, 324(5933), 1431-1434, https://doi.org/10.1126/science.1169473
Project(s):
Greenland Ice Sheet Project 2 (GISP2)
Coverage:
Latitude: 72.588000 * Longitude: -38.457000
Minimum DEPTH, ice/snow: 1900.13 m * Maximum DEPTH, ice/snow: 1962.05 m
Event(s):
GISP2-D * Latitude: 72.588000 * Longitude: -38.457000 * Elevation Start: 3203.0 m * Elevation End: 0.0 m * Campaign: GISP * Basis: Sampling/drilling ice * Method/Device: Drilling/drill rig (DRILL) * Comment: The length of the 3-km borehole at the GISP2 site was measured by two completely independent geophysical logging systems, the University of Copenhagen system (UCPH) and the U.S. Geological Survey's temperature system (USGS). Both systems utilized steel logging cables. The depth calibration factor for the UCPH system was determined from the measured length of the GRIP ice core while the USGS system was calibrated using a fiberglass tape measure with a low coefficient of thermal expansion. The accuracy of the depth measurements for both systems is estimated to be 2-3 m at a depth of 3 km. Inclination/azimuth measurements from the UCPH logger have been used to calculate the true vertical depth of the borehole from the measured total slant length. UCPH/true vertical depth (m):3047.8 slant length (m):3056.5 USGS/true vertical depth (m):3047.9, slant length (m):3056.6
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 CoreCoreBanerjee, Asmita
2 DEPTH, ice/snowDepth ice/snowmBanerjee, AsmitaGeocode
3 Gas ageGas ageka BPBanerjee, AsmitaAge model, GICC05source dataset: doi:10.1016/j.quascirev.2014.10.032
4 δ18Oδ18O‰Banerjee, Asmitameasured
5 δ18Oδ18O‰Banerjee, Asmitasource dataset: doi:10.1126/science.1169473
6 Δ36, oxygen clumped isotopeΔ36‰Banerjee, Asmitameasured
7 Δ36, oxygen clumped isotopeΔ36‰Banerjee, AsmitaCorrected after Yeung etal., 2012corrected
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
258 data points

Data

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

1 
Core		2 
Depth ice/snow [m]		3 
Gas age [ka BP]
(source dataset: doi:10.1016/j...)		4 
δ18O [‰]
(measured)		5 
δ18O [‰]
(source dataset: doi:10.1126/s...)		6 
Δ36 [‰]
(measured)		7 
Δ36 [‰]
(corrected, Corrected after Ye...)
GISP2D1900.1317.930341.9671.9262.0452.049
GISP2D1900.1317.930342.1361.9262.0772.095
GISP2D1902.0418.029331.9811.9312.0672.071
GISP2D1902.0418.029332.0571.9312.0852.096
GISP2D1904.2618.137961.9111.9332.1712.171
GISP2D1904.2618.137961.9351.9332.1102.110
GISP2D1906.2418.241191.8671.9292.0782.078
GISP2D1907.3918.299271.9931.9252.1742.180
GISP2D1907.3918.299271.9731.9252.1112.115
GISP2D1907.3918.299272.0511.9252.0502.061
GISP2D1910.3918.426142.0871.9132.2112.226
GISP2D1910.3918.426141.9731.9132.1412.146
GISP2D1913.1918.553282.0411.9072.0692.080
GISP2D1914.1918.601272.0171.9062.0492.059
GISP2D1914.1918.601272.2341.9062.0522.080
GISP2D1916.0718.679052.0951.9042.0632.079
GISP2D1916.0718.679051.8961.9042.1042.104
GISP2D1916.0718.679051.8191.9042.0802.080
GISP2D1920.4118.859531.8871.8892.0672.067
GISP2D1920.4118.859531.9141.8892.1042.106
GISP2D1922.2918.936732.0701.8862.0622.078
GISP2D1922.2918.936732.0101.8862.0922.102
GISP2D1925.9719.075812.1861.8922.0152.040
GISP2D1925.9719.075812.1771.8922.0662.090
GISP2D1925.9719.075812.0531.8922.1252.139
GISP2D1928.2419.159991.8681.8982.1502.150
GISP2D1928.2419.159992.0001.8982.0502.059
GISP2D1931.9519.292142.0151.9072.1072.116
GISP2D1931.9519.292142.1961.9072.0832.108
GISP2D1932.6519.321922.0121.9092.0962.105
GISP2D1932.6519.321921.8861.9092.1412.141
GISP2D1932.6519.321921.8541.9092.0782.078
GISP2D1936.2619.500952.0001.9142.0852.093
GISP2D1936.2619.500951.8941.9142.0422.042
GISP2D1936.2619.500951.9701.9142.1042.109
GISP2D1938.6719.619651.8141.9102.0172.017
GISP2D1938.6719.619652.2021.9102.0432.068
GISP2D1940.0419.685962.1071.9052.1342.151
GISP2D1942.2519.785581.8731.8902.1372.137
GISP2D1945.3319.910641.9351.8742.1242.129
GISP2D1945.3319.910641.8391.8742.1262.126
GISP2D1962.0520.663121.9721.9012.0642.070
GISP2D1962.0520.663122.1291.9012.1092.129