Berner, K S; Koç, Nalân; Divine, Dmitry V; Godtliebsen, Fred; Moros, Matthias (2008): (Table 1) Age determination of composite sediment record LO09-14 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.832194, Supplement to: Berner, KS et al. (2008): A decadal-scale Holocene sea surface temperature record from the subpolar North Atlantic constructed using diatoms and statistics and its relation to other climate parameters. Paleoceanography, 23(2), PA2210, https://doi.org/10.1029/2006PA001339
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Abstract:
A sediment core from Reykjanes Ridge has been studied at 10- to 50-year time resolution to document variability of Holocene surface water conditions in the western North Atlantic and to evaluate effects of Holocene ice-rafting episodes. Diatom assemblages are converted to quantitative sea surface temperatures (SST) using three different transfer functions. Spectral and scale-space methods are also applied on the records to explore variability at different timescales. Diatom assemblage and SST records clearly show that decaying remnants of the Laurentide ice sheet strongly influenced early Holocene climate in the western North Atlantic. This overrode the predominance of Milankovitch forcing, which played a key role in the development of Holocene climate in the eastern North Atlantic and Nordic Seas. Superimposed on general Holocene climate change is high-frequency SST variability on the order of 1°-3°C. The record also documents climatic oscillations with 600- to 1000-, ~1500-, and 2500-year periodicities, with a time-dependent dominance of different periodicities through the Holocene; a clear change in variability occurred about 5 ka BP. The SST record also provides evidence for Holocene cooling events (HCE) that, in some cases, correlate to documented southward intrusions of ice into the North Atlantic.
Coverage:
Median Latitude: 58.938333 * Median Longitude: -30.408667 * South-bound Latitude: 58.938000 * West-bound Longitude: -30.409167 * North-bound Latitude: 58.938667 * East-bound Longitude: -30.408000
Date/Time Start: 1993-09-08T00:00:00 * Date/Time End: 1993-09-08T00:00:00
Minimum DEPTH, sediment/rock: 0.000 m * Maximum DEPTH, sediment/rock: 4.470 m
Event(s):
DS37-2P * Latitude: 58.938000 * Longitude: -30.408000 * Elevation: -1685.0 m * Method/Device: Gravity corer (GC)
LO09/14-1 * Latitude: 58.938667 * Longitude: -30.408833 * Date/Time: 1993-09-08T00:00:00 * Elevation: -1719.0 m * Recovery: 0.7 m * Campaign: LO09 * Basis: Professor Logachev * Method/Device: Giant box corer (GKG)
LO09/14-2 * Latitude: 58.938000 * Longitude: -30.408667 * Date/Time: 1993-09-08T00:00:00 * Elevation: -1722.0 m * Recovery: 2.77 m * Campaign: LO09 * Basis: Professor Logachev * Method/Device: Kasten corer (KAL)
Comment:
All measurements are made on the foraminifer species Globigerina bulloides.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 3 | Depth, composite | Depth comp | mcd | Berner, K S | Intercore correlation | |
| 4 | Laboratory code/label | Lab label | Berner, K S | OS, Woods Hole Oceanographic Institute; AAR, Aarhus University; KIA, Kiel, UtC, Utrecht (Prins et al., 2001); Poz, Potsdam | ||
| 5 | Age, dated | Age dated | ka | Berner, K S | Age, 14C AMS | |
| 6 | Age, dated standard deviation | Age dated std dev | ± | Berner, K S | Age, 14C AMS | |
| 7 | Calendar age | Cal age | ka BP | Berner, K S | Age, 14C calibrated |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
240 data points
Data
| 1 Event | 2 Depth sed [m] | 3 Depth comp [mcd] | 4 Lab label | 5 Age dated [ka] | 6 Age dated std dev [±] | 7 Cal age [ka BP] |
|---|---|---|---|---|---|---|
| LO09/14-1 | 0.000 | 0.00 | AAR-5049 | 0.705 | 0.040 | 0.310 |
| LO09/14-1 | 0.020 | 0.02 | OS-32526 | 0.785 | 0.035 | 0.425 |
| LO09/14-1 | 0.090 | 0.09 | OS-32140 | 1.080 | 0.025 | 0.643 |
| LO09/14-1 | 0.290 | 0.29 | OS-32475 | 1.250 | 0.065 | 0.795 |
| LO09/14-1 | 0.390 | 0.39 | OS-32474 | 1.560 | 0.030 | 1.112 |
| DS37-2P | 0.010 | 0.45 | UtC 9654 | 1.440 | 0.160 | 1.280 |
| DS37-2P | 0.020 | 0.46 | Poz-8247 | 2.765 | 0.035 | 1.293 |
| DS37-2P | 0.060 | 0.47 | Poz-8248 | 1.320 | 0.030 | 1.320 |
| DS37-2P | 0.100 | 0.48 | UtC 9655 | 1.380 | 0.060 | 1.380 |
| DS37-2P | 0.180 | 0.62 | UtC 9656 | 1.800 | 0.080 | 1.800 |
| DS37-2P | 0.250 | 0.51 | Poz-8249 | 2.125 | 0.030 | 1.620 |
| DS37-2P | 0.400 | 0.68 | Poz-8250 | 2.260 | 0.030 | 1.932 |
| DS37-2P | 0.570 | 1.49 | UtC 9657 | 2.680 | 0.090 | 2.700 |
| DS37-2P | 0.760 | 1.73 | Poz-8251 | 3.130 | 0.035 | 3.130 |
| DS37-2P | 0.960 | 2.34 | UtC 9658 | 4.020 | 0.060 | 4.200 |
| DS37-2P | 1.260 | 2.76 | UtC 9659 | 4.840 | 0.090 | 5.325 |
| LO09/14-2 | 0.005 | 0.86 | AAR-6671 | 1.190 | 0.035 | 2.237 |
| LO09/14-2 | 0.090 | 1.23 | OS-32477 | 2.770 | 0.045 | 2.499 |
| LO09/14-2 | 0.170 | 0.79 | KIA7500 | 2.495 | 0.025 | 2.151 |
| LO09/14-2 | 0.300 | 1.51 | OS-32478 | 2.990 | 0.035 | 2.760 |
| LO09/14-2 | 0.470 | 1.08 | AAR-6437 | 2.690 | 0.040 | 2.384 |
| LO09/14-2 | 0.690 | 1.52 | OS-32524 | 3.030 | 0.035 | 2.793 |
| LO09/14-2 | 0.790 | 1.42 | OS-32525 | 2.860 | 0.035 | 2.627 |
| LO09/14-2 | 1.010 | 1.67 | KIA | 3.165 | 0.035 | 2.945 |
| LO09/14-2 | 1.200 | 1.70 | OS-32696 | 3.260 | 0.045 | 3.081 |
| LO09/14-2 | 1.500 | 2.40 | KIA7501 | 4.250 | 0.035 | 4.346 |
| LO09/14-2 | 1.630 | 2.62 | OS-32697 | 4.680 | 0.050 | 4.907 |
| LO09/14-2 | 1.970 | 2.83 | OS | 5.220 | 0.050 | 5.577 |
| LO09/14-2 | 2.400 | 3.14 | KIA7502 | 6.440 | 0.035 | 6.913 |
| LO09/14-2 | 2.760 | 3.54 | KIA | 7.180 | 0.040 | 7.636 |
| LO09/14-3 | 0.510 | 2.87 | KIA7497 | 5.330 | 0.050 | 5.689 |
| LO09/14-3 | 1.030 | 3.26 | AAR-4454 | 6.620 | 0.080 | 7.125 |
| LO09/14-3 | 1.350 | 3.42 | KIA20793 | 6.920 | 0.040 | 7.450 |
| LO09/14-3 | 1.590 | 3.56 | KIA7498 | 6.605 | 0.040 | 7.824 |
| LO09/14-3 | 1.650 | 3.67 | KIA20794 | 7.435 | 0.040 | 7.860 |
| LO09/14-3 | 1.850 | 3.88 | OS-32681 | 7.730 | 0.035 | 8.190 |
| LO09/14-3 | 2.160 | 4.05 | KIA7499 | 8.005 | 0.040 | 8.457 |
| LO09/14-3 | 2.430 | 4.49 | OS-32690 | 8.420 | 0.040 | 8.926 |
| LO09/14-3 | 2.700 | 4.49 | KIA20795 | 8.385 | 0.045 | 8.920 |
| LO09/14-3 | 2.760 | 4.77 | AAR-5050 | 8.145 | 0.045 | 9.187 |
| LO09/14-3 | 3.000 | 4.94 | AAR-4455 | 8.790 | 0.100 | 9.324 |
| LO09/14-3 | 3.030 | 5.31 | OS-32691 | 9.050 | 0.040 | 9.653 |
| LO09/14-3 | 3.150 | 5.28 | OS-32692 | 9.040 | 0.045 | 9.638 |
| LO09/14-3 | 3.330 | 5.58 | OS-32693 | 9.220 | 0.045 | 9.911 |
| LO09/14-3 | 3.700 | 5.69 | OS-32694 | 9.350 | 0.040 | 10.029 |
| LO09/14-3 | 3.940 | 5.65 | AAR-5051 | 9.310 | 0.055 | 10.003 |
| LO09/14-3 | 4.370 | 6.32 | OS-32695 | 9.920 | 0.055 | 10.705 |
| LO09/14-3 | 4.470 | 6.52 | AAR-4456 | 10.410 | 0.090 | 11.366 |