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Mojtabavi, Seyedhamidreza; Wilhelms, Frank; Cook, Eliza; Davies, Siwan M; Sinnl, Giulia; Skov Jensen, Mathias; Dahl-Jensen, Dorthe; Svensson, Anders M; Vinther, Bo Møllesøe; Kipfstuhl, Sepp; Karlsson, Nanna Bjørnholt; Faria, Sergio Henrique; Gkinis, Vasileios; Kjær, Helle Astrid; Erhardt, Tobias; Berben, Sarah M P; Nisancioglu, Kerim H; Koldtoft, Iben; Rasmussen, Sune Olander (2020): Match points between the EGRIP core and the NGRIP2 core and corresponding GICC05 ages [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.922350, In: Mojtabavi, S et al. (2020): Chronology for the East GReenland Ice-core Project (EGRIP) [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.922139

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Abstract:
A first chronology for the East GReenland Ice core Project (EGRIP) over the Holocene and last glacial termination has been derived by transferring the annual layer counted Greenland Ice Core Chronology 2005 (GICC05) from the NGRIP core to the EGRIP core using 381 matchpoints of mainly on volcanic events and common patterns (peaks and dips) recorded by electrical conductivity measurement (ECM) and dielectrical profiling (DEP) records.
Related to:
Mojtabavi, Seyedhamidreza; Wilhelms, Frank; Cook, Eliza; Davies, Siwan M; Sinnl, Giulia; Skov Jensen, Mathias; Dahl-Jensen, Dorthe; Svensson, Anders M; Vinther, Bo Møllesøe; Kipfstuhl, Sepp; Karlsson, Nanna Bjørnholt; Faria, Sergio Henrique; Gkinis, Vasileios; Kjær, Helle Astrid; Erhardt, Tobias; Berben, Sarah M P; Nisancioglu, Kerim H; Koldtoft, Iben; Rasmussen, Sune Olander (2020): A first chronology for the East GReenland Ice-core Project (EGRIP) over the Holocene and last glacial termination. Climate of the Past, 16, 2359-2380, https://doi.org/10.5194/cp-16-2359-2020
Project(s):
Comment:
All ages are given in whole years b2k (kyears before A.D. 2000) and are transfered to ka b2k.
The match points are based on ECM and DEP data (patterns, peaks and dips).
The GICC05 chronology extends to 60.2 ka b2k, and has been published in several stages. The relevant reference here is Rasmussen et al., Journ. Geophys. Res. 111, D06102, 2006.
The value "MCE" is the Maximum Counting Error of the GICC05 time scale. See Rasmussen et al. (Journ. Geophys. Res. 111, D06102, 2006) for a full description. In a standard deviation context, the maximum counting error should be regarded as 2 sigma as discussed in Andersen et al., Quat. Sci. Rev. 25, p. 3246-3257, 2006.
The counting error does not include uncertainty contributions from the time scale transfer. Most match points are accurate to 10 cm or better (i.e. a few years), but in some sections the synchronization is less robust. The time scale transfer involves interpolation over relatively long sections resulting in significant relative uncertainty.
Synchronization carried out by S. Mojtabavi, G. Sinnl, M.S. Jensen and S.O. Rasmussen
Inquiries regarding this data file: EGRIP dating consortium chairman Sune Olander Rasmussen, olander@nbi.ku.dk.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
DEPTH, ice/snowDepth ice/snowmMojtabavi, SeyedhamidrezaGeocode – EGRIP
DEPTH, ice/snowDepth ice/snowmMojtabavi, SeyedhamidrezaGeocode – NGRIP2
AgeAgeka b2kMojtabavi, Seyedhamidreza
Maximum Counting ErrorMCEaMojtabavi, Seyedhamidreza
Size:
248 data points

Data

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


Depth ice/snow [m]
(EGRIP)

Depth ice/snow [m]
(NGRIP2)

Age [ka b2k]

MCE [a]
1089.4261352.2949.60175
1091.3821354.0889.62075
1093.0721355.6319.64076
1094.4671356.9469.65576
1098.2901360.4419.69977
1101.6191363.5819.73978
1107.4261368.9459.80479
1108.2211369.6919.81279
1110.3251371.5779.83780
1113.3001374.3939.87180
1115.7351376.6729.90081
1116.3471377.2569.90781
1117.8781378.6729.92681
1119.4381380.0869.94582
1120.5561381.1139.95882
1121.6221382.1809.97282
1123.6841384.0789.99783
1128.7721388.88510.06184
1129.6601389.66510.07384
1131.4411391.34610.09585
1132.3081392.11910.10685
1135.1491394.70010.14186
1139.0591398.34410.18987
1140.2281399.42010.20487
1140.9401400.06810.21287
1142.7461401.73910.23588
1144.1221403.03910.25288
1151.5941409.83410.34789
1152.4381410.61810.35889
1155.7611413.63410.40389
1158.4701416.05610.43890
1159.4191416.93010.45190
1161.8251419.07810.48490
1165.1991422.21510.53090
1167.4181424.20910.56091
1169.5991426.17410.58991
1170.5491427.01910.60191
1172.2091428.50110.62591
1178.3361433.94910.70692
1178.9301434.45110.71492
1180.5621436.01910.73892
1191.4351445.73010.89093
1192.2581446.40410.90193
1194.6721448.50410.93893
1203.9881456.77211.07494
1204.9651457.68911.08894
1205.5711458.18311.09694
1206.0941458.67011.10594
1206.4551459.00511.11094
1206.6721459.20511.11394
1208.4021460.76411.13995
1212.2641464.18111.19695
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1213.9881465.76611.22495
1216.5371467.95511.26195
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1242.5641491.28711.67798
1244.0891492.61911.70899
1246.1931494.41711.765101
1253.4731500.73211.980108
1257.3331504.02412.092111
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1270.6451514.99912.490124
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1282.5201524.76412.842136
1285.7501527.30712.917138
1287.8491529.02512.961139
1289.6301530.48612.995140
1291.2081531.76813.027141
1292.4751532.82513.053142
1299.1021538.36913.212146
1300.6231539.67513.251147
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1306.0101544.22813.361150
1314.6101552.09013.538154
1318.3441555.45713.619157
1319.8041556.83513.655158
1320.3571557.26513.665158
1323.5431560.15613.730160
1325.8331562.12013.773161
1326.8551563.09513.795161
1328.4011564.50113.824162
1330.5601566.45513.867163
1332.0091567.59013.890164
1336.1401571.39413.977166
1338.5621573.44314.035168
1342.2471576.64214.116170
1343.2911577.56014.139170
1344.5211578.59614.161171
1346.9711580.69814.210172
1348.2101581.77614.232173
1349.1861582.63414.249173
1350.2331583.59014.269174
1351.3261584.49114.288174
1354.2521587.02514.335176
1356.6281589.01314.375177
1357.4251589.64714.390177
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1363.3151594.58814.488180
1363.9211595.04414.500180
1364.7441595.78614.513181
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1371.5171601.53614.622184
1375.5371604.94814.703186
1377.3671606.56914.763190
1378.5001607.46414.794191
1380.8671609.43814.862193
1382.4881610.78914.915195
1383.8491611.98114.967196