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Taylor, Victoria E; Wilson, Paul A; Bohaty, Steven M; Meckler, Anna Nele (2023): Clumped isotope and d18O/d13C data from IODP Exp 320 Site U1334 at the Eocene-Oligocene Transition [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.961095, In: Taylor, VE et al. (2023): Deep ocean temperatures in the eastern equatorial Pacific Ocean at the Eocene-Oligocene Transition [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.961094

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Published: 2023-08-10 • DOI registered: 2023-09-08

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Abstract:
This dataset contains clumped isotope, and stable carbon and oxygen isotope data from benthic foraminifera from IODP Expedition 320 Site U1334 in the eastern equatorial Pacific Ocean. The clumped isotope data were used to reconstruct deep ocean temperatures from ~35 Ma to ~33 Ma, across the Eocene-Oligocene Transition. Data in this dataset are provided as averaged stable isotope and temperature data, whereby each individual temperature represents the average of a minimum of 30 measurements of aliquots of monospecific benthic foraminifera sourced from multiple (n = 11-34) closely spaced samples.
Keyword(s):
Clumped isotope thermometry; Deep ocean temperatures; Eastern Equatorial Pacific Ocean; Eocene-Oligocene Transition
Related to:
Taylor, Victoria E; Westerhold, Thomas; Bohaty, Steven M; Backman, Jan; Dunkley Jones, Tom; Edgar, Kirsty M; Egan, Katie; Lyle, Mitchell W; Pälike, Heiko; Röhl, Ursula; Zachos, James C; Wilson, Paul A (2023): Transient Shoaling, Over-Deepening and Settling of the Calcite Compensation Depth at the Eocene-Oligocene Transition. Paleoceanography and Paleoclimatology, 38(6), e2022PA004493, https://doi.org/10.1029/2022PA004493
Taylor, Victoria E; Westerhold, Thomas; Bohaty, Steven M; Backman, Jan; Dunkley Jones, Tom; Egan, Katie; Edgar, Kirsty M; Lyle, Mitchell W; Pälike, Heiko; Röhl, Ursula; Zachos, James C; Wilson, Paul A (2023): Benthic foraminiferal and bulk sediment stable isotope records, and carbonate content records from the eastern equatorial Pacific, and a reconstruction of the calcite compensation depth, across the EO [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.956848
Project(s):
Integrated Ocean Drilling Program / International Ocean Discovery Program (IODP)
Funding:
European Research Council (ERC), grant/award no. 638467: Climate change across Cenozoic cooling steps reconstructed with clumped isotope thermometry (C4T)
Natural Environment Research Council (NERC), grant/award no. NE/K006800/1
Natural Environment Research Council (NERC), grant/award no. NE/K008390/1
Natural Environment Research Council (NERC), grant/award no. NE/K014137/1
Natural Environment Research Council (NERC), grant/award no. NE/L002531/1: SPITFIRE - the Southampton Partnership for Innovative Training of Future Investigators Researching the Environment
Royal Society, grant/award no. Wolfson_Merit_Award
The Research Council of Norway (RCN), grant/award no. 314371
Coverage:
Latitude: 7.999000 * Longitude: -131.973000
Minimum Elevation: -4799.9 m * Maximum Elevation: -4799.9 m
Event(s):
320-U1334 * Latitude: 7.999000 * Longitude: -131.973000 * Elevation: -4799.9 m * Campaign: Exp320 (Pacific Equatorial Age Transect I) * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1GroupGroupTaylor, Victoria E
2ReplicatesRepl#Taylor, Victoria E
3AGEAgeka BPTaylor, Victoria EAstronomically calibrated age model modified after Westerhold et al. (2014)Geocode – weighted average
4AgeAgeMaTaylor, Victoria EAstronomically calibrated age model modified after Westerhold et al. (2014)
5Age, maximum/oldAge maxMaTaylor, Victoria EAstronomically calibrated age model modified after Westerhold et al. (2014)weighted average
6Age, minimum/youngAge minMaTaylor, Victoria EAstronomically calibrated age model modified after Westerhold et al. (2014)weighted average
7Cibicidoides spp., δ13CCibicidoides spp. δ13C‰ PDBTaylor, Victoria EWeighted averagevs. VPDB: benthic foraminiferal carbon stable isotopes; weighted average; from Taylor et al. (2023)
8Cibicidoides spp., δ18OCibicidoides spp. δ18O‰ PDBTaylor, Victoria EWeighted averagevs. VPDB: benthic foraminiferal carbon stable isotopes; weighted average; from Taylor et al. (2023)
9SpeciesSpeciesTaylor, Victoria E
10Δ47Δ47‰Taylor, Victoria EI-CDES scale (Bernasconi et al., 2021)average of n replicate measurements
11Δ47, standard deviationΔ47 std dev±Taylor, Victoria EI-CDES scale (Bernasconi et al., 2021)
12Δ47, standard errorΔ47 std e±Taylor, Victoria EI-CDES scale (Bernasconi et al., 2021)
13Deep water temperatureDWT°CTaylor, Victoria ECalculated using Meinicke et al. (2020) calibration updated to the I-CDES scale by Meinicke et al. (2021)
14Confidence intervalCITaylor, Victoria ECalculated using Meinicke et al. (2020) calibration updated to the I-CDES scale by Meinicke et al. (2021)Temperture 68 % CI; 68 % confidence interval combining both analytical and calibration uncertainty; error propogated using Monte Carlo simulations
15Confidence intervalCITaylor, Victoria ECalculated using Meinicke et al. (2020) calibration updated to the I-CDES scale by Meinicke et al. (2021)Temperture 95 % CI; 95 % confidence interval combining both analytical and calibration uncertainty; error propogated using Monte Carlo simulations
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
182 data points

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