Haley, Brian A; Frank, Martin; Spielhagen, Robert F; Eisenhauer, Anton (2008): Neodymium and Strontium chemistry of Arctic Ocean surface sediments [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.769598, In supplement to: Haley, BA et al. (2008): Influence of brine formation on Arctic Ocean circulation over the past 15 million years. Nature Geoscience, 1, 68-72, https://doi.org/10.1038/ngeo.2007.5
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Coverage:
Median Latitude: 88.754177 * Median Longitude: 100.648537 * South-bound Latitude: 86.241800 * West-bound Longitude: 32.973333 * North-bound Latitude: 89.986667 * East-bound Longitude: 144.166200
Date/Time Start: 1991-08-13T00:00:00 * Date/Time End: 2001-09-06T19:52:00
Minimum DEPTH, sediment/rock: 0 m * Maximum DEPTH, sediment/rock: 0 m
Event(s):
PS59/280-1 * Latitude Start: 89.986667 * Longitude Start: 122.363333 * Latitude End: 89.983333 * Longitude End: 32.973333 * Date/Time Start: 2001-09-06T18:52:00 * Date/Time End: 2001-09-06T19:52:00 * Elevation Start: -4240.0 m * Elevation End: -4279.0 m * Recovery: 0.2 m * Campaign: ARK-XVII/2 (PS59 AMORE) * Basis: Polarstern * Method/Device: Giant box corer (GKG) * Comment: Box Corer, CTD/0.2 m sediments
PS59/280-2 * Latitude Start: 89.986667 * Longitude Start: 108.055000 * Latitude End: 89.986667 * Longitude End: 108.055000 * Date/Time Start: 2001-09-06T18:56:00 * Date/Time End: 2001-09-06T18:58:00 * Elevation Start: -4276.0 m * Elevation End: -4276.0 m * Campaign: ARK-XVII/2 (PS59 AMORE) * Basis: Polarstern * Method/Device: Secchi disk (SD) * Comment: Secchi-Disk/Secchi depth 18m
PS2163-2 (PS19/157) * Latitude: 86.241800 * Longitude: 59.215000 * Date/Time: 1991-08-13T00:00:00 * Elevation: -3040.0 m * Penetration: 0.23 m * Recovery: 0.23 m * Location: Gakkel Ridge, Arctic Ocean * Campaign: ARK-VIII/3 (PS19 ARCTIC91) * Basis: Polarstern * Method/Device: Giant box corer (GKG)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Latitude of event | Latitude | ||||
| 3 | Longitude of event | Longitude | ||||
| 4 | Elevation of event | Elevation | m | |||
| 5 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 6 | Sample mass | Samp m | g | Haley, Brian A | ||
| 7 | AGE | Age | ka BP | Geocode | ||
| 8 | ε-Neodymium | ε-Nd | Haley, Brian A | Weak-leache of metal-oxide coating on the sediment particles | ||
| 9 | Strontium-87/Strontium-86 ratio | 87Sr/86Sr | Haley, Brian A | Weak-leach solution, internally normalized for instrument drift using 88Sr/86Sr = 8.37521 | ||
| 10 | ε-Neodymium | ε-Nd | Haley, Brian A | Total Dissolution: Following the weak leach (i.e., the metal-oxide coating signal), a strong leach was done, then the sediments digested in HF/HNO3 for analyses of the bulk sediment Nd and Sr isotopic composition. | ||
| 11 | Strontium-87/Strontium-86 ratio | 87Sr/86Sr | Haley, Brian A | Total Dissolution: Following the weak leach (i.e., the metal-oxide coating signal), a strong leach was done, then the sediments digested in HF/HNO3 for analyses of the bulk sediment Nd and Sr isotopic composition. | ||
| 12 | Strontium-87/Strontium-86 ratio | 87Sr/86Sr | Haley, Brian A | Seawater 87Sr/86Sr for a given age estimate from the polynomial of McArthur et al., (2001, doi:10.1086/319243) | ||
| 13 | Strontium | Sr | % | Haley, Brian A | Mass-balance estimate of the percent of the weak leach 87Sr/86Sr signal potentially derived from clay contamination (SrTD) of a contemporaneous seawater 87Sr/86Sr signal (SrSW)10 | |
| 14 | - | - | Haley, Brian A | Delta epsilon-Nd from 5% clay. Given a maximum (overestimate) contamination from clays of 5% (from Sr mass balance calculations), the potential deviation of clay-sourced Nd (NdTD) on the weak leach is estimated. In all cases, the value is less than the 2 sigma measurement error of 0.5, thus the potential for clay contamination can be ignored. |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
24 data points