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Ford, Heather L; Ravelo, Ana Christina; Ramirez, Briana; Akers, Taylor; Krzeminski, Olivia (2018): Minor element ratios of Globorotalia tumida and subsurface temperature reconstruction for IODP Site 321-U1338. PANGAEA, https://doi.org/10.1594/PANGAEA.884538, Supplement to: Ford, HL et al. (2018): Data report: Mg/Ca values of Globorotalia tumida from early Pliocene to present, Site U1338. In: Proceedings of the IODP, Integrated Ocean Drilling Program, https://doi.org/10.2204/iodp.proc.320321.220.2018

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Abstract:
The equatorial Pacific thermocline is a critical component in determining the ocean-atmosphere interactions of the tropics. During the Pliocene warm period, the tropical thermocline was warm and/or deep and shoaled toward present day. Here we use Mg/Ca values of subsurface-dwelling Globorotalia tumida to reconstruct subsurface temperatures at Integrated Ocean Drilling Program, JOIDES Resolution, Expedition 320/321, Pacific Equatorial Age Transect, Site U1338.
Coverage:
Latitude: 2.507800 * Longitude: -117.969910
Minimum DEPTH, sediment/rock: 0.03 m * Maximum DEPTH, sediment/rock: 75.73 m
Event(s):
321-U1338 * Latitude: 2.507800 * Longitude: -117.969910 * Elevation: -4210.8 m * Campaign: Exp321 (Pacific Equatorial Age Transect II / Juan de Fuca) * Basis: Joides Resolution * Device: Composite Core (COMPCORE)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Sample code/labelSample labelFord, Heather LODP sample designation
2Depth, top/minDepth topmFord, Heather LDepth CSF (top)
3Depth, bottom/maxDepth botmFord, Heather LDepth CSF (bottom)
4DEPTH, sediment/rockDepthmFord, Heather LGeocode
5AGEAgeka BPFord, Heather LGeocode
6CalciumCamg/kgFord, Heather L
7Globorotalia tumida, Magnesium/Calcium ratioG. tumida Mg/Cammol/molFord, Heather L
8Globorotalia tumida, Strontium/Calcium ratioG. tumida Sr/Cammol/molFord, Heather L
9Globorotalia tumida, Manganese/Calcium ratioG. tumida Mn/Cammol/molFord, Heather L
10Subsurface temperatureSubT°CFord, Heather LCalculated from Mg/Ca ratios (Mohtadi et al., 2011)
Size:
760 data points

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