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  • 2,10,14-Trimethyl-6-enyl-7-(3-methylpent-1-enyl)pentadecene, per unit mass total organic carbon; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, per unit mass total organic carbon; Antarctica; ANT-XXIII/4; AWI_Paleo; DEPTH, sediment/rock; GC; Gravity corer; HBIs; IPSO25; palaeoclimatology; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Phytoplankton biomarker Dinosterol IPSO25 index; Polarstern; PS69; PS69/274-1; Sea ice  (2)
  • ANT-VIII/3; Gravity corer (Kiel type); Polarstern; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas; PS16; PS16/311; PS1768-8; Shona Ridge; SL; SPP1158  (2)
  • ANT-XXVI/2; AWI_Paleo; KL; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Piston corer (BGR type); Polarstern; PS75/072-2; PS75 BIPOMAC; South Pacific Ocean  (2)
  • (24S)-Ethylcholest-5,22E-dien-3beta-ol, per unit mass total organic carbon; (24S)-Ethylcholest-5,22E-dien-3beta-ol per unit sediment mass; 10,13-dimethyl-17-[2-(2-ethylcyclopropyl)ethan-2-yl]-cyclopenta-phenanthren-5-ene, per unit mass total organic carbon; 10,13-dimethyl-17-[2-(2-ethylcyclopropyl)ethan-2-yl]-cyclopenta-phenanthren-5-ene per unit sediment mass; 24-ethylcholest-5-en-3beta-ol, per unit mass total organic carbon; 24-Ethylcholest-5-en-3beta-ol per unit sediment mass; 24-Methylcholest-5-en-3beta-ol, per unit mass total organic carbon; 24-Methylcholest-5-en-3beta-ol per unit sediment mass; 24-Methylcholesta-5,22E-dien-3beta-ol, per unit mass total organic carbon; 24-Methylcholesta-5,22E-dien-3beta-ol per unit sediment mass; 24-Methylcholesta-5,24(28)-dien-3beta-ol, per unit mass total organic carbon; 24-Methylcholesta-5,24(28)-dien-3beta-ol per unit sediment mass; 24-Nor-5a-cholest-22-en-3beta-ol, per unit mass total organic carbon; 24-Nor-5a-cholest-22-en-3beta-ol per unit sediment mass; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, per unit mass total organic carbon; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol per unit sediment mass; 5alpha-Cholestan-3beta-ol, per unit mass total organic carbon; 5alpha-Cholestan-3beta-ol per unit sediment mass; ANT-XXXI/3; Bransfield Strait; cholest-4-en-3-one, per unit mass total organic carbon; cholest-4-en-3-one per unit sediment mass; cholesta-5,24-dien-3beta-ol, per unit mass total organic carbon; cholesta-5,24-dien-3beta-ol per unit sediment mass; Cholesta-5-en-3beta-ol, per unit mass total organic carbon; Cholesta-5-en-3beta-ol per unit sediment mass; DEPTH, sediment/rock; diatoms; Drake Passage; Elevation of event; Event label; GBG; GC; Giant box corer; Giant box grab; GKG; Gravity corer; Latitude of event; Longitude of event; MUC; MultiCorer; organic carbon; Photosynthetic pigments; Polarstern; PS97; PS97/015-2; PS97/020-1; PS97/021-1; PS97/022-1; PS97/024-2; PS97/027-1; 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; PS97/055-2; 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; PS97/071-2; PS97/072-2; PS97/074-1; PS97/077-1; PS97/079-1; PS97/080-2; PS97/083-1; PS97/084-2; PS97/085-2; PS97/086-2; PS97/089-2; PS97/093-3; PS97/094-1; PS97/095-1; PS97/096-1; PS97/114-1; PS97/122-2; PS97/128-1; PS97/129-2; PS97/131-1; PS97/134-1; Scotia Sea; South Pacific Ocean; sterols; stigmasta-5,24(28)-dien-3-ol, per unit mass total organic carbon; stigmasta-5,24(28)-dien-3-ol per unit sediment mass; Surface sediments  (1)
Document type
Keywords
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  • 1
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    Unknown
    Sterols in surface sediments sampled during RV POLARSTERN cruise PS97 (2021)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: (24S)-Ethylcholest-5,22E-dien-3beta-ol, per unit mass total organic carbon; (24S)-Ethylcholest-5,22E-dien-3beta-ol per unit sediment mass; 10,13-dimethyl-17-[2-(2-ethylcyclopropyl)ethan-2-yl]-cyclopenta-phenanthren-5-ene, per unit mass total organic carbon; 10,13-dimethyl-17-[2-(2-ethylcyclopropyl)ethan-2-yl]-cyclopenta-phenanthren-5-ene per unit sediment mass; 24-ethylcholest-5-en-3beta-ol, per unit mass total organic carbon; 24-Ethylcholest-5-en-3beta-ol per unit sediment mass; 24-Methylcholest-5-en-3beta-ol, per unit mass total organic carbon; 24-Methylcholest-5-en-3beta-ol per unit sediment mass; 24-Methylcholesta-5,22E-dien-3beta-ol, per unit mass total organic carbon; 24-Methylcholesta-5,22E-dien-3beta-ol per unit sediment mass; 24-Methylcholesta-5,24(28)-dien-3beta-ol, per unit mass total organic carbon; 24-Methylcholesta-5,24(28)-dien-3beta-ol per unit sediment mass; 24-Nor-5a-cholest-22-en-3beta-ol, per unit mass total organic carbon; 24-Nor-5a-cholest-22-en-3beta-ol per unit sediment mass; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, per unit mass total organic carbon; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol per unit sediment mass; 5alpha-Cholestan-3beta-ol, per unit mass total organic carbon; 5alpha-Cholestan-3beta-ol per unit sediment mass; ANT-XXXI/3; Bransfield Strait; cholest-4-en-3-one, per unit mass total organic carbon; cholest-4-en-3-one per unit sediment mass; cholesta-5,24-dien-3beta-ol, per unit mass total organic carbon; cholesta-5,24-dien-3beta-ol per unit sediment mass; Cholesta-5-en-3beta-ol, per unit mass total organic carbon; Cholesta-5-en-3beta-ol per unit sediment mass; DEPTH, sediment/rock; diatoms; Drake Passage; Elevation of event; Event label; GBG; GC; Giant box corer; Giant box grab; GKG; Gravity corer; Latitude of event; Longitude of event; MUC; MultiCorer; organic carbon; Photosynthetic pigments; Polarstern; PS97; PS97/015-2; PS97/020-1; PS97/021-1; PS97/022-1; PS97/024-2; PS97/027-1; 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; PS97/055-2; 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; PS97/071-2; PS97/072-2; PS97/074-1; PS97/077-1; PS97/079-1; PS97/080-2; PS97/083-1; PS97/084-2; PS97/085-2; PS97/086-2; PS97/089-2; PS97/093-3; PS97/094-1; PS97/095-1; PS97/096-1; PS97/114-1; PS97/122-2; PS97/128-1; PS97/129-2; PS97/131-1; PS97/134-1; Scotia Sea; South Pacific Ocean; sterols; stigmasta-5,24(28)-dien-3-ol, per unit mass total organic carbon; stigmasta-5,24(28)-dien-3-ol per unit sediment mass; Surface sediments
    Type: Dataset
    Format: text/tab-separated-values, 850 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    Measurements of valves of the diatom Fragilariopsis kerguelensis from Southern Ocean sediment core PS1768-8 (2018)
    PANGAEA
    In:  Supplement to: Kloster, Michael; Kauer, Gerhard; Esper, Oliver; Fuchs, Nike; Beszteri, Bánk (2018): Morphometry of the diatom Fragilariopsis kerguelensis from Southern Ocean sediment: High-throughput measurements show second morphotype occurring during glacials. Marine Micropaleontology, https://doi.org/10.1016/j.marmicro.2018.07.002
    Details
    Publication Date: 2024-06-26
    Description: Fragilariopsis kerguelensis is one of the most abundant diatoms in the sediments of the Southern Ocean. Its morphometric features have been proposed as proxies, based on links with, for example, iron availability, sea surface temperature and glacial/interglacial conditions. We investigated morphometric changes in F. kerguelensis valves in a well-studied sediment core record, focusing on transition periods between glacials and interglacials. By applying a high-throughput diatom imaging and morphometry workflow, we found two clearly distinct morphotypes which were differentiated by their rectangularity. One of them occurred preferentially in glacial samples, whilst the other persisted throughout. This indicates that their relative abundances depend on environmental conditions and thereby points to the possibility that paleo-proxies based on F. kerguelensis valve morphometric features might in the future benefit from differentiating these two morphotypes. As an initial exploration of this idea, we show that the abundance ratio of both morphotypes correlates well with paleo-temperatures which had been reconstructed using independent data from the same core. Distinguishing between the two morphotypes only became possible by image analysis for precisely measuring diatom valve outlines and area, highlighting the potential of such methods for diatom analyses.
    Keywords: ANT-VIII/3; Gravity corer (Kiel type); Polarstern; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas; PS16; PS16/311; PS1768-8; Shona Ridge; SL; SPP1158
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Highly branched isoprenoids and sterols in sediment core PS69/274-1 from western Amundsen Sea, Antarctica - Corrigendum (2020)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: 2,10,14-Trimethyl-6-enyl-7-(3-methylpent-1-enyl)pentadecene, per unit mass total organic carbon; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, per unit mass total organic carbon; Antarctica; ANT-XXIII/4; AWI_Paleo; DEPTH, sediment/rock; GC; Gravity corer; HBIs; IPSO25; palaeoclimatology; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Phytoplankton biomarker Dinosterol IPSO25 index; Polarstern; PS69; PS69/274-1; Sea ice
    Type: Dataset
    Format: text/tab-separated-values, 335 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Unknown
    Highly branched isoprenoids and sterols in sediment core PS69/274-1 from western Amundsen Sea, Antarctica (2019)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: 2,10,14-Trimethyl-6-enyl-7-(3-methylpent-1-enyl)pentadecene, per unit mass total organic carbon; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, per unit mass total organic carbon; Antarctica; ANT-XXIII/4; AWI_Paleo; DEPTH, sediment/rock; GC; Gravity corer; HBIs; IPSO25; palaeoclimatology; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Phytoplankton biomarker Dinosterol IPSO25 index; Polarstern; PS69; PS69/274-1; Sea ice
    Type: Dataset
    Format: text/tab-separated-values, 336 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Unknown
    Scripts and SHERPA settings for Fragilariopsis kerguelensis valve morphometry of sediment core PS1768-8 (2018)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-VIII/3; Gravity corer (Kiel type); Polarstern; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas; PS16; PS16/311; PS1768-8; Shona Ridge; SL; SPP1158
    Type: Dataset
    Format: application/zip, 5.6 MBytes
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Unknown
    Documentation of sediment core PS75/072-2 (2010)
    PANGAEA
    In:  Alfred Wegener Institute - Polarstern core repository
    Details
    Publication Date: 2024-07-01
    Keywords: ANT-XXVI/2; AWI_Paleo; KL; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Piston corer (BGR type); Polarstern; PS75/072-2; PS75 BIPOMAC; South Pacific Ocean
    Type: Dataset
    Format: unknown
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    Unknown
    Documentation of sediment core PS75/072-2 (2010)
    PANGAEA
    In:  Alfred Wegener Institute - Polarstern core repository
    Details
    Publication Date: 2024-07-01
    Keywords: ANT-XXVI/2; AWI_Paleo; KL; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Piston corer (BGR type); Polarstern; PS75/072-2; PS75 BIPOMAC; South Pacific Ocean
    Type: Dataset
    Format: unknown
    Location Call Number Limitation Availability
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    DATA PANGAEA
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