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Nuber, Sophie; Rae, James W B; Zhang, Xu; Andersen, Morten L; Dumont, Matthew; Mithan, T Huw; Sun, Yuchen; de Boer, Bas; Hall, Ian R; Barker, Stephen (2023): Indian Ocean surface oxygen isotopes of seawater (ice volume corrected) stack - proxy for sea surface salinity [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.955728, In: Nuber, S et al. (2023): Dataset for Indian Ocean Salinity build-up primes Deglacial Ocean Circulation Recovery [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.955609

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Abstract:
Indian Ocean surface circulation is an important part of the global ocean conveyor belt, and is connected via two important gateways including the Indonesian Throughflow, and the Agulha Leakage. Changes in the surface hydrography of the Indian Ocean may therefore impact on the global overturning circulation. Here we present planktonic foraminifera-based stack of oxygen isotopes as proxy for surface salinity from the surface Indian Ocean. We find that Indian Ocean surface salinity (along with temperature) increases during glacial intensification. We link this phenomenon to dynamics in the Indonesian Archipelago.
Keyword(s):
Indian Ocean; oxygen isotope ratios; oxygen isotopes; planktic foraminifera; Salinity; Temperature; Sea surface salinity; Sea surface temperature
Coverage:
Median Latitude: -1.050467 * Median Longitude: 77.861527 * South-bound Latitude: -26.166700 * West-bound Longitude: 34.016700 * North-bound Latitude: 44.017800 * East-bound Longitude: 144.279700
Date/Time Start: 1990-09-12T00:00:00 * Date/Time End: 2021-03-01T00:00:00
Minimum Elevation: -4157.0 m * Maximum Elevation: 38.0 m
Event(s):
361-U1476 * Latitude: -15.821000 * Longitude: 41.769000 * Date/Time: 2016-03-08T07:50:00 * Elevation: -2176.8 m * Penetration: 842.1 m * Recovery: 873.83 m * Campaign: Exp361 (South African Climates (Agulhas LGM Density Profile)) * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 90 cores, 1 m drilled, 104% recovery
ABS (Abashiri) * Latitude: 44.017800 * Longitude: 144.279700 * Date/Time: 2021-03-01T00:00:00 * Elevation: 38.0 m * Station info: Abashiri.pdf * Location: Japan * Method/Device: Monitoring station (MONS) * Comment: BSRN station 86; Surface type: asphalt; Topography type: flat, rural; Horizon: doi:10.1594/PANGAEA.947000; Station scientist: SASAKI Shun (rrc-jma@met.kishou.go.jp)
GeoB10038-4 * Latitude: -5.937500 * Longitude: 103.246000 * Date/Time: 2005-08-17T04:53:00 * Elevation: -1891.0 m * Campaign: SO184/1 (PABESIA) * Basis: Sonne * Method/Device: Gravity corer (Kiel type) (SL)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1AGEAgeka BPNuber, SophieGeocode
2δ18O, seawater, reconstructed, standard scoreδ18O z-score±Nuber, Sophie
3Percentile 95Perc95phiNuber, SophieUpper
4Percentile 95Perc95phiNuber, SophieLower
5AGEAgeka BPNuber, SophieIce volume correctedGeocode – 361-U1476
6δ18O, seawater, reconstructedδ18Osw‰Nuber, SophieIce volume corrected361-U1476
7δ18O, seawater, reconstructed, standard scoreδ18O z-score±Nuber, SophieIce volume corrected361-U1476
8AGEAgeka BPNuber, SophieIce volume correctedGeocode – ABS
9δ18O, seawater, reconstructedδ18Osw‰Nuber, SophieIce volume correctedABS
10δ18O, seawater, reconstructed, standard scoreδ18O z-score±Nuber, SophieIce volume correctedABS
11AGEAgeka BPNuber, SophieIce volume correctedGeocode – MD01-2378
12δ18O, seawater, reconstructedδ18Osw‰Nuber, SophieIce volume correctedMD01-2378
13δ18O, seawater, reconstructed, standard scoreδ18O z-score±Nuber, SophieIce volume correctedMD01-2378
14AGEAgeka BPNuber, SophieIce volume correctedGeocode – TY93-929
15δ18O, seawater, reconstructedδ18Osw‰Nuber, SophieIce volume correctedTY93-929
16δ18O, seawater, reconstructed, standard scoreδ18O z-score±Nuber, SophieIce volume correctedTY93-929
17AGEAgeka BPNuber, SophieIce volume correctedGeocode – WIND-28K
18δ18O, seawater, reconstructedδ18Osw‰Nuber, SophieIce volume correctedWIND-28K
19δ18O, seawater, reconstructed, standard scoreδ18O z-score±Nuber, SophieIce volume correctedWIND-28K
20AGEAgeka BPNuber, SophieIce volume correctedGeocode – GeoB10038-4
21δ18O, seawater, reconstructedδ18Osw‰Nuber, SophieIce volume correctedGeoB10038-4
22δ18O, seawater, reconstructed, standard scoreδ18O z-score±Nuber, SophieIce volume correctedGeoB10038-4
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
6115 data points

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