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Ai, Xuyuan E; Thöle, Lena M; Auderset, Alexandra; Schmitt, Mareike; Moretti, Simone; Studer, Anja S; Michel, Elisabeth; Wegmann, Martin; Mazaud, Alain; Bijl, Peter K; Sigman, Daniel M; Martínez-García, Alfredo; Jaccard, Samuel L (2024): GDGT indices and revised SST L of sediment cores MD11-3357 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.967600, In: Ai, XE et al. (2024): SST gradient and reconstructed Antarctic Circumpolar Current latitude change in the Southern Indian Ocean over the last 150kyr [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.967639

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Keyword(s):
Antarctic Circumpolar Current; Southern Hemisphere Westerly Winds; Southern Ocean
Related to:
Ai, Xuyuan E; Thöle, Lena M; Auderset, Alexandra; Schmitt, Mareike; Moretti, Simone; Studer, Anja S; Michel, Elisabeth; Wegmann, Martin; Mazaud, Alain; Bijl, Peter K; Sigman, Daniel M; Martínez-García, Alfredo; Jaccard, Samuel L (2024): The southward migration of the Antarctic Circumpolar Current enhanced oceanic degassing of carbon dioxide during the last two deglaciations. Communications Earth & Environment, 5(1), 58, https://doi.org/10.1038/s43247-024-01216-x
Funding:
European Commission (EC), grant/award no. 802835: Paleoceanography of the Ice-proximal Southern Ocean during Past Warm Climates (OceaNice)
National Science Foundation (NSF), grant/award no. PLR-1401489
Swiss National Science Foundation (SNF), grant/award no. 144811: SeaO2 - Past changes in Southern Ocean overturning circulation - implications for the partitioning of carbon and oxygen between the ocean and the atmosphere
Swiss National Science Foundation (SNF), grant/award no. 168625: Southern Ocean Paleoceanography and glacial-interglacial changes in the efficiency of the biological pump
Swiss National Science Foundation (SNF), grant/award no. 172915: SeaO2 - Past changes in Southern Ocean overturning circulation - implications for the partitioning of carbon and oxygen between the ocean and the atmosphere
Coverage:
Latitude: -44.680000 * Longitude: 80.430000
Date/Time Start: 2011-02-08T00:00:00 * Date/Time End: 2011-02-08T00:00:00
Minimum DEPTH, sediment/rock: 0.15 m * Maximum DEPTH, sediment/rock: 20.70 m
Event(s):
MD11-3357 * Latitude: -44.680000 * Longitude: 80.430000 * Date/Time: 2011-02-08T00:00:00 * Elevation: -3349.0 m * Campaign: MD185 (INDIEN SUD 2) * Basis: Marion Dufresne (1995) * Method/Device: Calypso Corer II (CALYPSO2)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1AGEAgeka BPAi, Xuyuan EGeocode
2DEPTH, sediment/rockDepth sedmAi, Xuyuan EGeocode
3Acyclic glycerol dialkyl glycerol tetraether, fractional abundanceGDGT-0Ai, Xuyuan E
4Monocyclic glycerol dialkyl glycerol tetraether, fractional abundanceGDGT-1Ai, Xuyuan E
5Dicyclic glycerol dialkyl glycerol tetraether, fractional abundanceGDGT-2Ai, Xuyuan E
6Tricyclic glycerol dialkyl glycerol tetraether, fractional abundanceGDGT-3Ai, Xuyuan E
7Crenarchaeol, fractional abundanceCrenAi, Xuyuan E
8Crenarchaeol regio-isomer, fractional abundanceCren'Ai, Xuyuan E
9Tetraether index of 86 carbon atoms, low-temperature regionTEX86LAi, Xuyuan ETEX86L according to Tierney and Tingley (2015)
10Ring indexRIAi, Xuyuan E
11Branched and isoprenoid tetraether indexBITAi, Xuyuan E
12Methane indexMIAi, Xuyuan E
13Acyclic glycerol dialkyl glycerol tetraether/Crenarchaeol ratioGDGT-0/Cren%Ai, Xuyuan E
14Ratio between glycerol dialkyl glycerol tetraethers bearing 2 versus 3 cyclopentyl moieties[2/3]Ai, Xuyuan E
15Sea surface temperature, annual meanSST (1-12)°CAi, Xuyuan ERevised calibrationSST L
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1378 data points

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