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  • 306-U1313; COMPCORE; Composite Core; Exp306; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; North Atlantic Climate 2  (2)
  • (9E)-2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyliden)pentadeca-9-ene, per unit mass total organic carbon; (9Z)-2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyliden)pentadeca-9-ene, per unit mass total organic carbon; 2,10,14-Trimethyl-6-enyl-7-(3-methylpent-1-enyl)pentadecene, per unit mass total organic carbon; 24-Methylcholesta-5,22E-dien-3beta-ol, per unit mass total organic carbon; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, per unit mass total organic carbon; Acyclic glycerol dialkyl glycerol tetraether (peak area); Amundsen Sea; ANT-XXIII/4; ANT-XXXI/3; ANT-XXXII/3; ANT-XXXIII/2; AWI_Paleo; BC; Biomarker; Box corer; Branched and isoprenoid tetraether index; Bransfield Strait; Carbon, organic, total; Crenarchaeol (peak area); Crenarchaeol regio-isomer (peak area); DEPTH, sediment/rock; Dicyclic glycerol dialkyl glycerol tetraether (peak area); Drake Passage; Elevation of event; Event label; GBG; GC; Giant box corer; Giant box grab; GKG; Gravity corer; HBIs; Hydroxylated acyclic glycerol dialkyl glycerol tetraether (peak area); Hydroxylated dicyclic glycerol dialkyl glycerol tetraether (peak area); Hydroxylated monocyclic glycerol dialkyl glycerol tetraether (peak area); IPSO25; Latitude of event; Longitude of event; model simulation; Monocyclic glycerol dialkyl glycerol tetraether (peak area); MUC; MultiCorer; Multicorer with television; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Phytoplankton biomarker Brassicasterol IPSO25 index; Phytoplankton biomarker Dinosterol IPSO25 index; Phytoplankton biomarker HBI E-Triene IPSO25 index; Phytoplankton biomarker HBI Z-Triene IPSO25 index; Polarstern; PS104; PS104_12-4; PS104_14-2; PS104_17-2; PS104_22-3; PS104_43-3; PS111; PS111_114-3; PS111_131-2; PS111_13-2; PS111_139-2; PS111_15-1; PS111_16-3; PS111_27-1; PS111_29-3; PS111_40-2; PS111_42-1; PS111_47-2; PS111_53-3; PS111_60-3; PS111_70-2; PS111_80-3; PS111_98-3; PS118; PS118_10-3; PS118_12-2; PS118_24-2; PS118_38-5; PS118_48-2; PS118_5-3; PS118_62-3; PS118_75-1; PS118_8-4; PS69; PS69/251-1; PS69/255-3; PS69/269-1; PS69/272-3; PS69/275-2; PS69/283-5; PS69/284-2; PS69/288-3; PS69/292-3; PS69/297-1; PS69/299-1; PS69/302-3; PS97; PS97/042-1; PS97/044-1; PS97/045-1; PS97/046-6; PS97/048-1; PS97/049-2; PS97/052-3; PS97/053-1; PS97/054-2; PS97/056-1; PS97/059-1; PS97/060-1; PS97/061-1; PS97/062-1; PS97/065-2; PS97/067-2; PS97/068-2; PS97/069-1; PS97/072-2; PS97/073-2; PS97/074-1; PS97/077-1; PS97/079-1; PS97/080-2; PS97/083-1; PS97/084-2; Ring index of hydroxylated glycerol dialkyl glycerol tetraethers; Scotia Sea; Sea ice; Sea surface temperature; SOT, from TEX86L; SST, from Ring-Index RI-OH; Tetraether index of 86 carbon atoms, low-temperature region; Tricyclic glycerol dialkyl glycerol tetraether (peak area); TVMUC; Weddell Sea  (1)
  • 053-1; 054-2; 055-1; 056-3; 067-2; 075-2; 076-1; 078-2; 080-1; 086-1; 088-2; 1,13-1,14-and 1,15-diols; AMADEUS; Amazon Submarine Delta; Bc_17; Bc_24; Bc_44; Bc_61; Bc_82; Bc_90; BIT index; Branched and isoprenoid tetraether index; C32 1,15-diol; CaFe index; Center for Marine Environmental Sciences; Continental Slope Northeast Brazil; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Event label; French Guiana; GDGT; GeoB16202-1; GeoB16203-2; GeoB16204-1; GeoB16205-3; GeoB16212-2; GeoB16216-2; GeoB16217-1; GeoB16218-2; GeoB16220-1; GeoB16223-1; GeoB16225-2; Gravity corer (Kiel type); Latitude of event; Long chain alkyl diols; Long chain diol, C28 1,13-diol; Long chain diol, C28 1,14-diol; Long chain diol, C30 1,13-diol; Long chain diol, C30 1,14-diol; Long chain diol, C30 1,15-diol; Long chain diol, C32 1,15-diol; Long chain diol index; Longitude of event; Maria S. Merian; MARUM; Mc_12; Mc_33; MSM20/3; MUC; MultiCorer; Sea surface temperature, annual mean; SL; δ13C, organic carbon  (1)
Document type
Keywords
Publisher
Years
  • 1
    facet.materialart.
    Unknown
    Biomarker concentrations in marine surface sediment samples from West Antarctic continental shelves (2021)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: (9E)-2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyliden)pentadeca-9-ene, per unit mass total organic carbon; (9Z)-2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyliden)pentadeca-9-ene, per unit mass total organic carbon; 2,10,14-Trimethyl-6-enyl-7-(3-methylpent-1-enyl)pentadecene, per unit mass total organic carbon; 24-Methylcholesta-5,22E-dien-3beta-ol, per unit mass total organic carbon; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, per unit mass total organic carbon; Acyclic glycerol dialkyl glycerol tetraether (peak area); Amundsen Sea; ANT-XXIII/4; ANT-XXXI/3; ANT-XXXII/3; ANT-XXXIII/2; AWI_Paleo; BC; Biomarker; Box corer; Branched and isoprenoid tetraether index; Bransfield Strait; Carbon, organic, total; Crenarchaeol (peak area); Crenarchaeol regio-isomer (peak area); DEPTH, sediment/rock; Dicyclic glycerol dialkyl glycerol tetraether (peak area); Drake Passage; Elevation of event; Event label; GBG; GC; Giant box corer; Giant box grab; GKG; Gravity corer; HBIs; Hydroxylated acyclic glycerol dialkyl glycerol tetraether (peak area); Hydroxylated dicyclic glycerol dialkyl glycerol tetraether (peak area); Hydroxylated monocyclic glycerol dialkyl glycerol tetraether (peak area); IPSO25; Latitude of event; Longitude of event; model simulation; Monocyclic glycerol dialkyl glycerol tetraether (peak area); MUC; MultiCorer; Multicorer with television; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Phytoplankton biomarker Brassicasterol IPSO25 index; Phytoplankton biomarker Dinosterol IPSO25 index; Phytoplankton biomarker HBI E-Triene IPSO25 index; Phytoplankton biomarker HBI Z-Triene IPSO25 index; Polarstern; PS104; PS104_12-4; PS104_14-2; PS104_17-2; PS104_22-3; PS104_43-3; PS111; PS111_114-3; PS111_131-2; PS111_13-2; PS111_139-2; PS111_15-1; PS111_16-3; PS111_27-1; PS111_29-3; PS111_40-2; PS111_42-1; PS111_47-2; PS111_53-3; PS111_60-3; PS111_70-2; PS111_80-3; PS111_98-3; PS118; PS118_10-3; PS118_12-2; PS118_24-2; PS118_38-5; PS118_48-2; PS118_5-3; PS118_62-3; PS118_75-1; PS118_8-4; PS69; PS69/251-1; PS69/255-3; PS69/269-1; PS69/272-3; PS69/275-2; PS69/283-5; PS69/284-2; PS69/288-3; PS69/292-3; PS69/297-1; PS69/299-1; PS69/302-3; PS97; PS97/042-1; PS97/044-1; PS97/045-1; PS97/046-6; PS97/048-1; PS97/049-2; PS97/052-3; PS97/053-1; PS97/054-2; PS97/056-1; PS97/059-1; PS97/060-1; PS97/061-1; PS97/062-1; PS97/065-2; PS97/067-2; PS97/068-2; PS97/069-1; PS97/072-2; PS97/073-2; PS97/074-1; PS97/077-1; PS97/079-1; PS97/080-2; PS97/083-1; PS97/084-2; Ring index of hydroxylated glycerol dialkyl glycerol tetraethers; Scotia Sea; Sea ice; Sea surface temperature; SOT, from TEX86L; SST, from Ring-Index RI-OH; Tetraether index of 86 carbon atoms, low-temperature region; Tricyclic glycerol dialkyl glycerol tetraether (peak area); TVMUC; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 1561 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    Unknown
    Sea surface temperature reconstruction for IODP Site 306-U1313 (2010)
    PANGAEA
    In:  Supplement to: Naafs, Bernhard David A; Stein, Ruediger; Hefter, Jens; Khélifi, Nabil; De Schepper, Stijn; Haug, Gerald H (2010): Late Pliocene changes in the North Atlantic Current. Earth and Planetary Science Letters, 298(3-4), 434-442, https://doi.org/10.1016/j.epsl.2010.08.023
    Details
    Publication Date: 2023-12-02
    Description: During the late Pliocene global climate changed drastically as the Northern Hemisphere glaciation (NHG) intensified. It remains poorly understood how the North Atlantic Current (NAC) changed in strength and position during this time interval. Such changes may alter the amount of northward heat transport and therefore have a large impact on climate in the circum-North Atlantic region and the growth of Northern Hemisphere ice sheets. Using the alkenone biomarker we reconstructed orbitally resolved sea surface temperature (SST) and productivity records at Integrated Ocean Drilling Project (IODP) Expedition 306 Site U1313 during the late Pliocene and early Pleistocene, 3.68-2.45 million years ago (Ma). Before 3.1 Ma, SSTs in the mid-latitude North Atlantic were up to 6 °C higher than the present and surface water productivity was low, indicating that an intense NAC transported warm, nutrient-poor surface waters northwards. Starting at 3.1 Ma, surface water characteristics changed drastically as the NHG intensified. During glacial periods at the end of the late Pliocene and beginning of the Pleistocene, SSTs decreased and surface water productivity in the mid-latitude North Atlantic increased, reflecting a weakened influence of the NAC at our site. At the same time the increase in surface productivity suggests that the Arctic Front (AF) reached down into the mid-latitudes. We propose that during the intensification of the NHG the NAC had an almost pure west to east flow direction in glacials and did not penetrate into the higher latitudes. The diminished northward heat transport would have led to a cooling of the higher latitudes, which may have encouraged the growth of large continental ice sheets in the Northern Hemisphere.
    Keywords: 306-U1313; COMPCORE; Composite Core; Exp306; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; North Atlantic Climate 2
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
    facet.materialart.
    Unknown
    Biomarker and XRD results for the last 3.4 Ma from IODP Site 306-U1313 (2013)
    PANGAEA
    In:  Supplement to: Naafs, Bernhard David A; Hefter, Jens; Stein, Ruediger (2013): Millennial-scale ice rafting events and Hudson Strait Heinrich(-like) Events during the late Pliocene and Pleistocene: a review. Quaternary Science Reviews, 80, 1-28, https://doi.org/10.1016/j.quascirev.2013.08.014
    Details
    Publication Date: 2023-12-02
    Description: Various types of abrupt/millennial-scale climate variability such as Dansgaard/Oeschger and Heinrich Events characterized the last glacial period. Over the last decade, a number of studies demonstrated that such millennial-scale climate variability was not limited to the last glacial but inherent to Quaternary climate. Here we review the occurrence and origin of millennial ice-rafting events in the North Atlantic during the late Pliocene and Pleistocene (last 3.4 Ma) with a special focus on North Atlantic Hudson Strait (HS) Heinrich(-like) Events. Besides a clear biomarker signature, we show that Heinrich Layers 5, 4, 2, and 1 in marine sediment cores from across the North Atlantic all bear the organic geochemical fingerprint of the Hudson area. Using this framework and combining previously published results, detailed investigations into the organic and inorganic chemistry of ice-rafted debris (IRD) found across the North Atlantic demonstrate that prior to MIS 16 (~ 650 ka) IRD in the North Atlantic did not originate from the Hudson area of northern Canada. The signature of this early IRD is distinctly different compared to that of HS Heinrich Layers. Rather ice-rafting events during the late Pliocene and early Pleistocene predominantly emanated from the calving of the Greenland and Fennoscandian ice sheets and possibly minor contributions from local ice streams from the North American and British ice sheets. Compared to North Atlantic HS Heinrich Events, these early Pleistocene IRD-events had a limited impact on surface water characteristics in the North Atlantic. North Atlantic HS Heinrich(-like) Events first occurred during MIS 16. At the same time, the dominant frequency in silicate-rich IRD accumulation shifted from the obliquity (41-ka) to a 100-ka frequency across the North Atlantic. Iceberg survivability or a change in iceberg trajectory likely did not control this change in IRD-regime. These results lend further support for the existing hypothesis that an increase in size (thickness) of the Laurentide ice sheet controls the occurrence of North Atlantic HS Heinrich Events, favoring an internal dynamic mechanism for their occurrence.
    Keywords: 306-U1313; COMPCORE; Composite Core; Exp306; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; North Atlantic Climate 2
    Type: Dataset
    Format: application/zip, 3 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
    facet.materialart.
    Unknown
    (Appendix B) Long-chain alkyl diol, GDGT and XRF data from marine surface sediments off shore the Amazon River estuary (2019)
    PANGAEA
    Details
    Publication Date: 2024-02-10
    Keywords: 053-1; 054-2; 055-1; 056-3; 067-2; 075-2; 076-1; 078-2; 080-1; 086-1; 088-2; 1,13-1,14-and 1,15-diols; AMADEUS; Amazon Submarine Delta; Bc_17; Bc_24; Bc_44; Bc_61; Bc_82; Bc_90; BIT index; Branched and isoprenoid tetraether index; C32 1,15-diol; CaFe index; Center for Marine Environmental Sciences; Continental Slope Northeast Brazil; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Event label; French Guiana; GDGT; GeoB16202-1; GeoB16203-2; GeoB16204-1; GeoB16205-3; GeoB16212-2; GeoB16216-2; GeoB16217-1; GeoB16218-2; GeoB16220-1; GeoB16223-1; GeoB16225-2; Gravity corer (Kiel type); Latitude of event; Long chain alkyl diols; Long chain diol, C28 1,13-diol; Long chain diol, C28 1,14-diol; Long chain diol, C30 1,13-diol; Long chain diol, C30 1,14-diol; Long chain diol, C30 1,15-diol; Long chain diol, C32 1,15-diol; Long chain diol index; Longitude of event; Maria S. Merian; MARUM; Mc_12; Mc_33; MSM20/3; MUC; MultiCorer; Sea surface temperature, annual mean; SL; δ13C, organic carbon
    Type: Dataset
    Format: text/tab-separated-values, 237 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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