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  • 2,6,10-trimethylpentadecan-2-one  (1)
  • 202-1235A; 202-1235B; 202-1235C; AGE; Alkenone C37:2, δD; Alkenone C37:2, δD, standard deviation; Alkenone C37:3, δD; Alkenone C37:3, δD, standard deviation; Alkenones; Chile Margin; Depth, composite; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; hydrogen isotopic composition; Isotope Ratio Mass Spectrometer (IRMS), Thermo Fisher Scientific, Delta V; Joides Resolution; Leg202; Mass spectrometer, Finnigan, MAT 253; coupled with Carbonate preparation device, Finnigan, KIEL VI; NIOZ_UU; NIOZ Royal Netherlands Institute for Sea Research, and Utrecht University; Ocean Drilling Program; ODP; oxygen isotopes; Replicates; Sample code/label; South Pacific Ocean; Uvigerina; Uvigerina spp., δ18O; Uvigerina spp., δ18O standard deviation; δ Deuterium, alkenone, C37; δ Deuterium, alkenone, C37, standard deviation; δ Deuterium, alkenone, C38; δ Deuterium, alkenone, C38, standard deviation  (1)
  • 64PE393; 64PE393_10MUC; 64PE393_11MUC; 64PE393_12MUC; 64PE393_13MUC; 64PE393_14MUC; 64PE393_16MUC; 64PE393_17MUC; 64PE393_1MUC; 64PE393_20MUC; 64PE393_21MUC; 64PE393_22MUC; 64PE393_23MUC; 64PE393_3MUC; 64PE393_5MUC; 64PE393_7MUC; 64PE393_8MUC; 64PE393_9MUC; 64PE406; 64PE406_1MUC; 64PE406_2MUC; 64PE406_3MUC; 64PE406_5MUC; 64PE406_6MUC; 64PE407; 64PE407_10MUC; 64PE407_1MUC; 64PE407_2MUC; 64PE407_3MUC; 64PE407_4MUC; 64PE407_6MUC; 64PE407_7MUC; 64PE407_8MUC; 64PE407_9MUC; 64PE408; 64PE408_2MUC; 64PE410; 64PE410_10MUC; 64PE410_1MUC; 64PE410_2MUC; 64PE410_3MUC; 64PE410_4MUC; 64PE410_5MUC; 64PE410_6MUC; 64PE410_7MUC; 64PE410_9MUC; 64PE418; 64PE418_12MUC; 64PE418_4MUC; Alboran Sea; Alkenone, unsaturation index UK'37; Alkenone C37/C38 ratio; Area/locality; Baltic Sea; Black Sea; DEPTH, sediment/rock; Event label; HCC; Kattegat; Latitude of event; Longitude of event; Mediterranean Sea, Eastern Basin; Mediterranean Sea, Western Basin; MUC; MultiCorer; NESSC Black Sea; NESSC EAST MED; NESSC WEST MED; NIOZ_UU; NIOZ Baltic 2016; NIOZ Royal Netherlands Institute for Sea Research, and Utrecht University; Pelagia; Sea surface temperature, annual mean; Skagerrak; South Atlantic Ocean; Strait of Sicilia; Tropical North Atlantic  (1)
Document type
Keywords
Publisher
Years
  • 1
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    Unknown
    (Table S3) UK'37 and SST reconstruction for marine surface sediments (2018)
    PANGAEA
    Details
    Publication Date: 2023-03-10
    Keywords: 64PE393; 64PE393_10MUC; 64PE393_11MUC; 64PE393_12MUC; 64PE393_13MUC; 64PE393_14MUC; 64PE393_16MUC; 64PE393_17MUC; 64PE393_1MUC; 64PE393_20MUC; 64PE393_21MUC; 64PE393_22MUC; 64PE393_23MUC; 64PE393_3MUC; 64PE393_5MUC; 64PE393_7MUC; 64PE393_8MUC; 64PE393_9MUC; 64PE406; 64PE406_1MUC; 64PE406_2MUC; 64PE406_3MUC; 64PE406_5MUC; 64PE406_6MUC; 64PE407; 64PE407_10MUC; 64PE407_1MUC; 64PE407_2MUC; 64PE407_3MUC; 64PE407_4MUC; 64PE407_6MUC; 64PE407_7MUC; 64PE407_8MUC; 64PE407_9MUC; 64PE408; 64PE408_2MUC; 64PE410; 64PE410_10MUC; 64PE410_1MUC; 64PE410_2MUC; 64PE410_3MUC; 64PE410_4MUC; 64PE410_5MUC; 64PE410_6MUC; 64PE410_7MUC; 64PE410_9MUC; 64PE418; 64PE418_12MUC; 64PE418_4MUC; Alboran Sea; Alkenone, unsaturation index UK'37; Alkenone C37/C38 ratio; Area/locality; Baltic Sea; Black Sea; DEPTH, sediment/rock; Event label; HCC; Kattegat; Latitude of event; Longitude of event; Mediterranean Sea, Eastern Basin; Mediterranean Sea, Western Basin; MUC; MultiCorer; NESSC Black Sea; NESSC EAST MED; NESSC WEST MED; NIOZ_UU; NIOZ Baltic 2016; NIOZ Royal Netherlands Institute for Sea Research, and Utrecht University; Pelagia; Sea surface temperature, annual mean; Skagerrak; South Atlantic Ocean; Strait of Sicilia; Tropical North Atlantic
    Type: Dataset
    Format: text/tab-separated-values, 496 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
    facet.materialart.
    Unknown
    Hydrogen isotopic composition of alkenones and oxygen isotopes of benthic foraminifera from ODP Site 202-1235 (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: Hydrogen isotopic compositions of C37 long chain alkenones (δ2HC37) have been proposed as a proxy for past seawater salinity and applied in several regions. However, previous studies were based solely on a single core and often suggested unlikely large changes in salinity. Here we present a new δ2HC37 record, in combination with oxygen isotopes of benthic foraminifera from the same samples, from a sediment core from the Chilean margin (ODP site 1235). The observed negative shift in δ2HC37 of 20‰ during deglaciation was identical to that of the nearby located, but deeper, ODP core 1234 (Weiss et al., 2019), suggesting a regionally consistent shift in δ2HC37. Here we present an isotope dataset spanning 0.15-94.43 mbsf. The age model of Haettig et al., 2023 covers the last 40.000 years spanning 0.15-49.50 mbfs.
    Keywords: 202-1235A; 202-1235B; 202-1235C; AGE; Alkenone C37:2, δD; Alkenone C37:2, δD, standard deviation; Alkenone C37:3, δD; Alkenone C37:3, δD, standard deviation; Alkenones; Chile Margin; Depth, composite; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; hydrogen isotopic composition; Isotope Ratio Mass Spectrometer (IRMS), Thermo Fisher Scientific, Delta V; Joides Resolution; Leg202; Mass spectrometer, Finnigan, MAT 253; coupled with Carbonate preparation device, Finnigan, KIEL VI; NIOZ_UU; NIOZ Royal Netherlands Institute for Sea Research, and Utrecht University; Ocean Drilling Program; ODP; oxygen isotopes; Replicates; Sample code/label; South Pacific Ocean; Uvigerina; Uvigerina spp., δ18O; Uvigerina spp., δ18O standard deviation; δ Deuterium, alkenone, C37; δ Deuterium, alkenone, C37, standard deviation; δ Deuterium, alkenone, C38; δ Deuterium, alkenone, C38, standard deviation
    Type: Dataset
    Format: text/tab-separated-values, 649 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
    facet.materialart.
    Unknown
    Evidence for substantial intramolecular heterogeneity in the stable carbon isotopic composition of phytol in photoautotrophic organisms (2008)
    Details
    Publication Date: 2022-05-25
    Description: Author Posting. © Elsevier B.V., 2007. This is the author's version of the work. It is posted here by permission of Elsevier B.V. for personal use, not for redistribution. The definitive version was published in Organic Geochemistry 39 (2008): 135-146, doi:10.1016/j.orggeochem.2007.09.002.
    Description: The ubiquitous isoprenoid phytol was isolated from a range of algae, terrestrial plants and a bacterium and its two terminal carbon atoms were quantitatively removed by chemical oxidation. The product, 6,10,14-trimethylpentadecan-2-one, was depleted in 13C by 1-4‰ relative to the parent phytol. This difference is significant, and indicates that the pathway for biosynthesis of phytol induces substantial intramolecular stable carbon isotopic fractionations. The nature and magnitude of the fractionations suggest strongly that it is associated both with the biosynthesis of isopentenyl pyrophosphate via the 2-C-methylerythritol-4-phosphate pathway and with the formation of carotenoids and phytol from geranyl-geraniolphosphate. As a result of these large, intramolecular isotopic differences, diagenetic products formed by loss of C, such as pristane, may be naturally depleted in 13C by several permil relative to phytane.
    Description: Shell International Petroleum Maatschappij BV is thanked for financial support for the irm- GC-MS facility
    Keywords: Phytol ; Phytane ; Pristane ; Stable carbon isotope ; Mevalonic acid pathway ; 2-C-methylerythritol-4-phosphate pathway ; 2,6,10-trimethylpentadecan-2-one
    Repository Name: Woods Hole Open Access Server
    Type: Preprint
    Format: application/pdf
    Location Call Number Limitation Availability
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    PAPER (OA)
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