Lu, Wanyi; Costa, Kassandra M; Oppo, Delia W (2023): Compilations of semi-quantitative glacial bottom water oxygen in Arabian Sea and Peruvian Margin [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.961769, In: Lu, W et al. (2023): Reconstructing the oxygen depth profile in the Arabian Sea during the last glacial period [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.961773
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Published: 2023-09-04 • DOI registered: 2023-10-03
References:
Erdem, Zeynep; Schönfeld, Joachim; Rathburn, Anthony E; Pérez, Maria-Elena; Cardich, Jorge; Glock, Nicolaas (2020): Bottom-water deoxygenation at the Peruvian margin during the last deglaciation recorded by benthic foraminifera. Biogeosciences, 17(12), 3165-3182, https://doi.org/10.5194/bg-17-3165-2020
Glock, Nicolaas; Erdem, Zeynep; Schönfeld, Joachim (2022): The Peruvian oxygen minimum zone was similar in extent but weaker during the Last Glacial Maximum than Late Holocene. Communications Earth & Environment, 3(1), 307, https://doi.org/10.1038/s43247-022-00635-y
Lu, Wanyi; Wang, Yi; Oppo, Delia W; Nielsen, Sune G; Costa, Kassandra M (2022): Comparing paleo-oxygenation proxies (benthic foraminiferal surface porosity, I/Ca, authigenic uranium) on modern sediments and the glacial Arabian Sea. Geochimica et Cosmochimica Acta, 331, 69-85, https://doi.org/10.1016/j.gca.2022.06.001
Schmiedl, Gerhard; Mackensen, Andreas (2006): Multispecies stable isotopes of benthic foraminifers reveal past changes of organic matter decomposition and deepwater oxygenation in the Arabian Sea. Paleoceanography, 21(4), PA4213, https://doi.org/10.1029/2006PA001284
Scholz, Florian; McManus, James; Mix, Alan C; Hensen, Christian; Schneider, Ralph R (2014): The impact of ocean deoxygenation on iron release from continental margin sediments. Nature Geoscience, https://doi.org/10.1038/NGEO2162
Funding:
National Science Foundation (NSF), grant/award no. OCE-1946185: Variability in oxygen concentrations in Atlantic intermediate waters during the last deglaciation
National Science Foundation (NSF), grant/award no. OCE-2114579: Holocene Upper Atlantic Temperature Trend: AMOC Variability or Anomalous Heat Uptake
Coverage:
Median Latitude: 7.901875 * Median Longitude: 12.507824 * South-bound Latitude: -17.466667 * West-bound Longitude: -81.450000 * North-bound Latitude: 18.253000 * East-bound Longitude: 59.861660
Date/Time Start: 1986-05-26T00:00:00 * Date/Time End: 2008-12-09T12:16:00
Minimum Elevation: -4040.0 m * Maximum Elevation: -210.0 m
Event(s):
GeoB3004-1 (M31/3-107_GC) * Latitude: 14.605000 * Longitude: 52.920000 * Date/Time: 1995-03-07T16:44:00 * Elevation: -1803.0 m * Recovery: 10.28 m * Location: Gulf of Aden * Campaign: M31/3 (BIGSET) * Basis: Meteor (1986) * Method/Device: Gravity corer (Kiel type) (SL) * Comment: Penetration until weight, CC:H2S, clay-ooze, oliv-green, foraminifers
M77/1_406-1 * Latitude: -17.466667 * Longitude: -71.873167 * Date/Time: 2008-10-29T21:35:00 * Elevation: -490.9 m * Campaign: M77/1 * Basis: Meteor (1986) * Method/Device: Multicorer with television (TVMUC)
M77/2_024-5 (M77/2_677) * Latitude: -11.083500 * Longitude: -78.015200 * Date/Time: 2008-12-01T17:31:00 * Elevation: -210.0 m * Campaign: M77/2 * Basis: Meteor (1986) * Method/Device: Piston corer (PC) * Comment: 1492 cm
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Lu, Wanyi | |||
| 2 | Area/locality | Area | Lu, Wanyi | |||
| 3 | Bottom water oxygen | BWO | µmol/kg | Lu, Wanyi | Calculated from Proxy | Modern |
| 4 | Sample number | Sample no | Lu, Wanyi | Glacial BWO | ||
| 5 | Bottom water oxygen, minimum | BWO min | µmol/kg | Lu, Wanyi | Calculated from Proxy | Glacial |
| 6 | Bottom water oxygen, maximum | BWO max | µmol/kg | Lu, Wanyi | Calculated from Proxy | Glacial |
| 7 | Bottom water oxygen | BWO | µmol/kg | Lu, Wanyi | Calculated from Proxy | Glacial average |
| 8 | Bottom water oxygen, standard deviation | BWO std dev | ± | Lu, Wanyi | Calculated from Proxy | Glacial SD1 |
| 9 | Bottom water oxygen, standard deviation | BWO std dev | ± | Lu, Wanyi | Calculated from Proxy | Glacial SD2 |
| 10 | Bottom water oxygen, error | BWO e | ± | Lu, Wanyi | Calculated from Proxy | Glacial, total |
| 11 | Difference | Diff | Lu, Wanyi | Diff BWO | ||
| 12 | Proxy | Proxy | Lu, Wanyi | |||
| 13 | Reference/source | Reference | Lu, Wanyi |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
171 data points
Data
| 1 Event | 2 Area | 3 BWO [µmol/kg] (Modern) | 4 Sample no (Glacial BWO) | 5 BWO min [µmol/kg] (Glacial) | 6 BWO max [µmol/kg] (Glacial) | 7 BWO [µmol/kg] (Glacial average) | 8 BWO std dev [±] (Glacial SD1) | 9 BWO std dev [±] (Glacial SD2) | 10 BWO e [±] (Glacial, total) | 11 Diff (Diff BWO) | 12 Proxy | 13 Reference |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RC27-14 | Arabian Sea | 6 | 5 | 14 | 29 | 21 | 6 | 10 | 12 | 15 | Porosity | This study |
| TN041-8PG | Arabian Sea | 7 | 6 | 15 | 26 | 20 | 4 | 10 | 11 | 13 | Porosity | Lu et al., 2022 |
| RC27-23 | Arabian Sea | 7 | 3 | 13 | 18 | 15 | 3 | 10 | 10 | 8 | Porosity | This study |
| TN041-2-PC | Arabian Sea | 42 | 3 | 27 | 42 | 34 | 8 | 20 | 21 | -8 | Porosity | This study |
| GeoB3004-1 | Arabian Sea | 82 | 16 | 28 | 116 | 78 | 19 | 17 | 26 | -4 | dd13C | Schmiedl and Mackensen, 2006 |
| RC27-61 | Arabian Sea | 77 | 13 | 35 | 64 | 52 | 9 | 33 | 34 | -25 | Porosity | This study |
| RC27-61 | Arabian Sea | 77 | 2 | 49 | 97 | 73 | 34 | 17 | 38 | -4 | dd13C | This study |
| RC27-42 | Arabian Sea | 84 | 8 | 56 | 116 | 75 | 25 | 33 | 41 | -9 | Porosity | This study |
| RC27-42 | Arabian Sea | 84 | 3 | 51 | 69 | 58 | 9 | 17 | 19 | -26 | dd13C | This study |
| TN047-6-GGC | Arabian Sea | 129 | 12 | 50 | Porosity | This study | ||||||
| TN047-6-GGC | Arabian Sea | 129 | 2 | 88 | 102 | 95 | 10 | 17 | 20 | -34 | dd13C | This study |
| M77/2_024-5 | Peruvian Margin | 2 | 5 | 5 | 10 | 8 | 6 | Redox-sensitive trace metals | Scholz et al., 2014 | |||
| M77/1_406-1 | Peruvian Margin | 13 | 18 | 8 | 13 | 11 | 1 | 1 | 2 | -2 | Benthic surface pore density | Glock et al., 2022 |
| M77/2_050-4 | Peruvian Margin | 52 | 8 | 35 | 43 | 40 | 3 | 20 | 20 | -12 | Foram assemblage | Erdem et al., 2020 |
| M77/2_052-2 | Peruvian Margin | 70 | 5 | 52 | 61 | 57 | 3 | 20 | 20 | -13 | Foram assemblage | Erdem et al., 2020 |