Du, Jianghui; Haley, Brian A; Mix, Alan C; Walczak, Maureen H; Praetorius, Summer K (2018): Neodymium isotope compositions of sedimentary authigenic Fe-Mn oxyhydroxide and bulk sediment in sediment cores EW0408-85TC and EW0408-85JC from the Gulf of Alaska, Northeast Pacific [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.892205, In supplement to: Du, J et al. (2018): Flushing of the deep Pacific Ocean and the deglacial rise of atmospheric CO2 concentrations. Nature Geoscience, 1, https://doi.org/10.1038/s41561-018-0205-6
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Coverage:
Latitude: 59.555300 * Longitude: -144.153500
Minimum DEPTH, sediment/rock: 0.090 m * Maximum DEPTH, sediment/rock: 11.030 m
Event(s):
EW0408-85JC * Latitude: 59.555300 * Longitude: -144.153500 * Elevation: -682.0 m * Recovery: 11.24 m * Location: Gulf of Alaska * Method/Device: Jumbo Piston Core (JPC)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Du, Jianghui | Core | ||
| 2 | Depth, top/min | Depth top | m | Du, Jianghui | ||
| 3 | Depth, bottom/max | Depth bot | m | Du, Jianghui | ||
| 4 | DEPTH, sediment/rock | Depth sed | m | Du, Jianghui | Geocode – Mid point of sample interval | |
| 5 | Depth, composite | Depth comp | mcd | Du, Jianghui | Piston core EW0408-85JC and trigger core EW0408-85TC are put on the same depth scale, equivalent to depth below seafloor | |
| 6 | Age, minimum/young | Age min | ka | Du, Jianghui | Age 16% (yr): 16% quantile of 10000 age models generated using Bchron, equivalent to 1σ lower age if the distribution of age is Gaussian | |
| 7 | AGE | Age | ka BP | Du, Jianghui | Geocode – Age 50% (yr): 50% quantile of 10000 age models generated using Bchron, i.e. the median age | |
| 8 | Age, maximum/old | Age max | ka | Du, Jianghui | Age 84% (yr): 84% quantile of 10000 age models generated using Bchron, equivalent to 1σ upper age if the distribution of age is Gaussian | |
| 9 | Neodymium-143/Neodymium-144 ratio | 143Nd/144Nd | Du, Jianghui | Authigenic 143Nd/144Nd Fe-Mn oxyhydroxide, 2σ external uncertainty is 0.000015 | ||
| 10 | ε-Neodymium, authigenic | ε-Nd auth | Du, Jianghui | Authigenic εNd = (sample 143Nd/144Nd/0.512638 -1)*10000, 2σ external uncertainty is 0.29 | ||
| 11 | Neodymium-143/Neodymium-144 ratio | 143Nd/144Nd | Du, Jianghui | Bulk sediment 143Nd/144Nd, 2σ external uncertainty is 0.000015 | ||
| 12 | ε-Neodymium | ε-Nd | Du, Jianghui | Bulk sediment εNd = (sample 143Nd/144Nd/0.512638 -1)*10000, 2σ external uncertainty is 0.29 |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
435 data points