GLORIA

GEOMAR Library Ocean Research Information Access

feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
Filter
Document type
Keywords
Language
  • 1
    Publication Date: 2023-03-16
    Keywords: Antarctic sea ice; AWI_Envi; File content; File format; File name; File size; highly branched isoprenoids; IPSO25; Paleoclimate; Polar Terrestrial Environmental Systems @ AWI; sea ice proxy; Uniform resource locator/link to file
    Type: Dataset
    Format: text/tab-separated-values, 10 data points
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
  • 2
    Publication Date: 2023-03-25
    Keywords: Age; AGE; Antarctic sea ice; ANT-XXXI/3; AWI_Envi; AWI_Paleo; Bransfield Strait; Carbon, organic, total; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Diatoms, sea-ice; highly branched isoprenoids; IPSO25; Modern analog technique (MAT), D274/28/4an; Paleoclimate; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; Polar Terrestrial Environmental Systems @ AWI; PS97; PS97/072-1TC; sea ice proxy; Sea surface temperature, summer; TC; Transfer function, IKM – D336/29/3q; Trigger corer
    Type: Dataset
    Format: text/tab-separated-values, 238 data points
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
  • 3
    Publication Date: 2023-06-27
    Keywords: Amundsen Sea; ANT-XXIII/4; ANT-XXXI/3; ANT-XXXII/3; ANT-XXXIII/2; AWI_Paleo; BC; Biomarker; Box corer; Bransfield Strait; Drake Passage; Elevation of event; Event label; GBG; GC; Giant box corer; Giant box grab; GKG; Gravity corer; HBIs; IPSO25; Latitude of event; Longitude of event; modelled; model simulation; MUC; MultiCorer; Multicorer with television; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; 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; PS69/255-3; 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; Scotia Sea; Sea ice; Sea ice concentration, spring; Sea surface temperature, annual mean; Sub-surface ocean temperature; TVMUC; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 402 data points
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
  • 4
    Publication Date: 2023-06-27
    Keywords: Amundsen Sea; ANT-XXIII/4; ANT-XXXI/3; ANT-XXXII/3; ANT-XXXIII/2; AWI_Paleo; BC; Biomarker; Box corer; Bransfield Strait; Drake Passage; Elevation of event; Event label; GBG; GC; Giant box corer; Giant box grab; GKG; Gravity corer; HBIs; IPSO25; Latitude of event; Longitude of event; model simulation; MUC; MultiCorer; Multicorer with television; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; 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; PS69/255-3; 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; Scotia Sea; Sea ice; Sea ice concentration, spring; Sea ice concentration, spring, standard deviation; Sea ice concentration, summer; Sea ice concentration, summer, standard deviation; Sea ice concentration, winter; Sea ice concentration, winter, standard deviation; TVMUC; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 402 data points
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
  • 5
    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
    BibTip Others were also interested in ...
  • 6
    Publication Date: 2023-07-06
    Description: In the last decades, changing climate conditions have had a severe impact on sea ice at the Western Antarctic Peninsula (WAP), an area rapidly transforming under global warming. To study the development of spring sea ice and environmental conditions in the pre-satellite era we investigated three short marine sediment cores for their biomarker inventory with particular focus on the sea ice proxy IPSO25 and micropaleontological proxies. The core sites are located in the Bransfield Strait, in shelf to deep basin areas characterized by a complex oceanographic frontal system, coastal influence and sensitivity to large-scale atmospheric circulation patterns. We analyzed geochemical bulk parameters, biomarkers (highly branched isoprenoids, glycerol dialkyl glycerol tetraethers, sterols), as well as diatom abundances and diversity over the past 240 years, and compared them to observational data, sedimentary and ice core climate archives as well as results from numerical models. Based on biomarker results we identified four different environmental units characterized by (A) low sea ice cover and high ocean temperatures, (B) moderate sea ice cover with decreasing ocean temperatures, (C) high but variable sea ice cover during intervals of lower ocean temperatures and (D) extended sea ice cover coincident with a rapid ocean warming. While IPSO25 concentrations correspond quite well with satellite sea ice observations for the past 40 years, we note discrepancies between the biomarker-based sea ice estimates and the long-term model output for the past 240 years, ice core records and reconstructed atmospheric circulation patterns such as the El Niño Southern Oscillation (ENSO) and Southern Annular Mode (SAM). We propose that the sea ice biomarker proxies IPSO25 and PIPSO25 are not linearly related to sea ice cover and, additionally, each core site reflects specific, local environmental conditions. High IPSO25 and PIPSO25 values may not be directly interpreted as referring to high spring sea ice cover because variable sea ice conditions and enhanced nutrient supply may affect the production of both the sea-ice associated and phytoplankton-derived (open marine, pelagic) biomarker lipids. For future interpretations we recommend to carefully consider individual biomarker records to distinguish between cold, sea ice favoring and warm, sea ice diminishing environmental conditions.
    Keywords: Antarctic sea ice; AWI_Envi; AWI_Paleo; highly branched isoprenoids; IPSO25; Paleoclimate; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polar Terrestrial Environmental Systems @ AWI; sea ice proxy
    Type: Dataset
    Format: application/zip, 6 datasets
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
  • 7
    Publication Date: 2023-07-10
    Keywords: Achnanthes sp.; Actinocyclus actinochilus; Actinocyclus curvatulus; Alveus marinus; Amphora sp.; Antarctic sea ice; ANT-XXXI/3; Asteromphalus hookeri; Asteromphalus hyalinus; Asteromphalus parvulus; Asteromphalus sp.; AWI_Envi; AWI_Paleo; Azpeitia tabularis var. tabularis; Azpeitia tabularis var egregius; Bransfield Strait; Chaetoceros spp.; Chaetoceros spp. resting spores; Cocconeis costata var. costata; Cocconeis spp.; Corethron criophilum; Corethron pennatum; Coscinodiscus radiatus; Coscinodiscus spp.; Counting, diatoms; Dactyliosolen sp.; DEPTH, sediment/rock; Diatoms; Diatoms indeterminata; Diploneis sp.; Elevation of event; Entropyla sp.; Eucampia antarctica var. antarctica; Eucampia antarctica var. recta; Event label; Fragilariopsis curta; Fragilariopsis cylindrus; Fragilariopsis doliolus; Fragilariopsis kerguelensis; Fragilariopsis linearis; Fragilariopsis obliquecostata; Fragilariopsis rhombica; Fragilariopsis ritscheri; Fragilariopsis separanda; Fragilariopsis sp.; Fragilariopsis spp.; Fragilariopsis sublinearis; Fragilariopsis vanheurckii; Grammatophora angulosa; Hemidiscus cuneiformis; highly branched isoprenoids; IPSO25; Latitude of event; Longitude of event; Lycmophora sp.; MUC; MultiCorer; Navicula directa; Navicula glaciei; Navicula palpebralis; Navicula sp.; Navicula spp.; Nitzschia bicapitata; Nitzschia kolaczeckii; Nitzschia sicula var. rostrata; Nitzschia sp.; Odontella litigiosa; Odontella weissflogii; Paleoclimate; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; Polar Terrestrial Environmental Systems @ AWI; Porosira pseudodenticulata; Porosira sp.; Proboscia sp.; Proboscia spp.; PS97; PS97/056-1; PS97/068-2; PS97/072-1TC; Pseudogomphonema kamtschaticum; Pseudo-nitzschia turgiduloides; Rhizosolenia antennata; Rhizosolenia antennata forma antennata; Rhizosolenia antennata forma semispina; Rhizosolenia bergonii; Rhizosolenia hebetata; Rhizosolenia sp.; Rhizosolenia spp.; Rhizosolenia styliformis; sea ice proxy; Stellarima microtrias; Stephanopyxis turris; Synedra sp.; Synedropsis recta; TC; Thalassionema nitzschioides var. lanceolata; Thalassiosira antarctica T1; Thalassiosira antarctica T2; Thalassiosira gracilis var. expecta; Thalassiosira gracilis var. gracilis; Thalassiosira gravida; Thalassiosira lentiginosa; Thalassiosira oliverana; Thalassiosira spp.; Thalassiosira trifulta; Thalassiosira tumida; Thalassiothrix antarctica/longissima group; Trachyneis apera; Trichotoxon reinboldii; Trigger corer; Trigonium arcticum
    Type: Dataset
    Format: text/tab-separated-values, 8170 data points
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
  • 8
    Publication Date: 2023-11-30
    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-ethylcholest-5-en-3beta-ol, per unit mass total organic carbon; 24-Methylcholest-5-en-3beta-ol, 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; Age; AGE; Age, error; Antarctic sea ice; ANT-XXXI/3; AWI_Envi; AWI_Paleo; Branched and isoprenoid tetraether index; Bransfield Strait; Carbon, organic, total; Carbon/Nitrogen ratio; cholesta-5,24-dien-3beta-ol, per unit mass total organic carbon; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Diatoms, sea-ice; Gas chromatography - Mass spectrometry (GC-MS); highly branched isoprenoids; IPSO25; Lead-210 excess; Lead-210 excess, error; Modern analog technique (MAT), D274/28/4an; MUC; MultiCorer; Paleoclimate; 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; PIPSO25 calculated after Vorrath et al., 2019; Polarstern; Polar Terrestrial Environmental Systems @ AWI; PS97; PS97/068-2; sea ice proxy; Sea surface temperature, summer; Sedimentation rate per year; SOTOH, SOT based on RI-OH caculated after Lü et al., 2015 (Eq. 13 and 14); SOTTEX, SOT based on TEXL86 calculated after Kim et al., 2010 (Eq. 7 and 8); Sub-surface ocean temperature; Transfer function, IKM – D336/29/3q
    Type: Dataset
    Format: text/tab-separated-values, 1055 data points
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
  • 9
    Publication Date: 2023-11-29
    Description: We analyzed biomarker concentrations on 41 surface sediment samples from the continental shelves of the Antarctic Peninsula, the Amundsen and Weddell Seas, specifically: highly branched isoprenoids, phytosterols and archaeal isoprenoid glycerol dialkyl glycerol tetraethers (GDGTs) for reconstructing recent sea-ice distribution patterns and water temperatures, respectively. Alongside our biomarker-based results, sea-ice distributions obtained from satellite observations and estimated sea-ice patterns and sea surface temperatures deduced from model simulations are presented.
    Keywords: AWI_Paleo; Biomarker; HBIs; IPSO25; model simulation; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Sea ice
    Type: Dataset
    Format: application/zip, 3 datasets
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
  • 10
    Publication Date: 2023-11-30
    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-ethylcholest-5-en-3beta-ol, per unit mass total organic carbon; 24-Methylcholest-5-en-3beta-ol, 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; Age; AGE; Age, error; Antarctic sea ice; ANT-XXXI/3; AWI_Envi; AWI_Paleo; Branched and isoprenoid tetraether index; Bransfield Strait; Carbon, organic, total; Carbon/Nitrogen ratio; cholesta-5,24-dien-3beta-ol, per unit mass total organic carbon; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Diatoms, sea-ice; Gas chromatography - Mass spectrometry (GC-MS); highly branched isoprenoids; IPSO25; Lead-210 excess; Lead-210 excess, error; Modern analog technique (MAT), D274/28/4an; MUC; MultiCorer; Paleoclimate; 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; PIPSO25 calculated after Vorrath et al., 2019; Polarstern; Polar Terrestrial Environmental Systems @ AWI; PS97; PS97/056-1; sea ice proxy; Sea surface temperature, summer; Sedimentation rate per year; SOTOH, SOT based on RI-OH caculated after Lü et al., 2015 (Eq. 13 and 14); SOTTEX, SOT based on TEXL86 calculated after Kim et al., 2010 (Eq. 7 and 8); Sub-surface ocean temperature; Transfer function, IKM – D336/29/3q
    Type: Dataset
    Format: text/tab-separated-values, 709 data points
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...