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  • 2010-2014  (1,427,569)
  • 1980-1984  (12)
  • 1970-1974  (8)
  • 1940-1944  (3)
  • 2014  (737,084)
  • 2013  (690,507)
Collection
Keywords
Publisher
Language
Years
Year
  • 1
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    Sedimentological and geophysical investigation of sediment cores from the Amundsen Sea (2013)
    PANGAEA
    In:  Supplement to: Hillenbrand, Claus-Dieter; Kuhn, Gerhard; Smith, James A; Gohl, Karsten; Graham, Alastair G C; Larter, Robert D; Klages, Johann Philipp; Downey, Rachel; Moreton, Steven Grahame; Forwick, Matthias; Vaughan, David G (2013): Grounding-line retreat of the West Antarctic Ice Sheet from inner Pine Island Bay. Geology, 41(1), 35-38, https://doi.org/10.1130/G33469.1
    Details
    Publication Date: 2024-06-26
    Description: Ice loss from the marine-based, potentially unstable West Antarctic Ice Sheet (WAIS) contributes to current sea-level rise and may raise sea level by up to 3.3 to 5 meters in the future. Over the past few decades, glaciers draining the WAIS into the Amundsen Sea Embayment (ASE) have shown accelerated ice flow, rapid thinning and grounding-line retreat. However, the long-term context of this ice-sheet retreat is poorly constrained, limiting our ability to accurately predict future WAIS behaviour. Here we present a new chronology for WAIS retreat from the inner continental shelf of the eastern ASE based on radiocarbon dates from three marine sediment cores. The ages document a retreat of the grounding line to within ~93 km of its modern position before 11.7±0.7 kyr BP (thousand years before present). This early deglaciation is consistent with ages for grounding-line retreat from the western ASE. Our new data demonstrate that, other than in the Ross Sea, WAIS retreat in the ASE has not continued progressively since the Last Glacial Maximum. Furthermore, our results suggest that the grounding-line position in the ASE was predominantly stable throughout the Holocene, and that any episodes of fast retreat similar to that observed today must have been short-lived. Alternatively, today's rapid retreat was unprecedented during the Holocene. Therefore, the current ice loss must originate in recent changes in regional climate, ocean circulation or ice-sheet dynamics. Incorporation of these results into models is essential to produce robust predictions of future ice-sheet change and its contribution to sea-level rise.
    Keywords: Amundsen Sea; ANT-XXIII/4; ANT-XXVI/3; AWI_Paleo; BC; BC448; BC451; Box corer; GC; Giant box corer; GKG; Gravity corer; Gravity corer (Kiel type); James Clark Ross; JR141_BC448; JR141_BC451; JR141_VC419; JR141 JR150; JR20060109; Nathaniel B. Palmer; NBP9902; NBP9902_22TC; NBP9902_23PC; NBP9902_23TC; NBP9902_26PC; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; PC; Pine Island Bay (inner shelf); Piston corer; Polarstern; PS69; PS69/251-1; PS69/255-3; PS69/275-1; PS75; PS75/129-1; PS75/160-1; PS75/167-1; PS75/214-1; PS75/215-1; PS75/235-1; SL; TC; Trigger corer; VC; VC419; Vibro corer; westernmost Getz Trough, inner shelf (meltwater channel)
    Type: Dataset
    Format: application/zip, 20 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    Hydrochemistry measured on water bottle samples during SONNE cruise SO120 (2013)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: Ammonium; Bacteria; Bacteria, biomass as carbon; Carbon, inorganic, dissolved; Carbon, organic, particulate; Carbon/nitrogen analyser (GF/F filtered); Carbon biomass estimation (unspec.); Chlorophyll a; Chlorophyll a, fluorometric determination (Grasshoff et al., 1983, Chemie GmbH); Conductivity; Continuous Flow Automated Analysis (Gordon et al., 1993, WOCE Tech Rpt 93-1); Coulometric titration (Knap et al., 1996, IOC Manuals and Guides 29, UNESCO); Counting by flow cytometer; CTD, Neil Brown, Mark III B, NB-4; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; Elevation of event; Epifluorescence microscopy; Epifluorescence microscopy after acridine orange staining; Eukaryotes; Event label; Fluorescence, chlorophyll; JGOFS; JGOFS-IN-3; Joint Global Ocean Flux Study; Latitude of event; Leucine uptake rate; Longitude of event; Nanoflagellates, heterotrophic; Nitrate; Nitrite; Nitrogen, organic, particulate; Oxidation; then autoanalysis (GF/F filtered); Oxidation (alkaline) with borate buffered potassium persulphate; Oxygen; Oxygen, Winkler (Culberson, 1991, WOCE Report 68/91); Phosphate; Phosphorus, particulate; Pressure, water; Salinity; Seawater analysis after Grasshoff et al., 1983 (Verlag Chemie GmbH Weinheim); Silicate; Silicon, particulate; SO120; SO120_CTD02_002; SO120_CTD03_003; SO120_CTD04_004; SO120_CTD05_005; SO120_CTD06_006; SO120_CTD07_007; SO120_CTD08_008; SO120_CTD09_009; SO120_CTD10_010; SO120_CTD11_011; SO120_CTD12_012; SO120_CTD13_013; SO120_CTD14_014; SO120_CTD15_016; SO120_CTD15_017; SO120_CTD15_019; SO120_CTD16_023; SO120_CTD17_024; SO120_CTD18_027; SO120_CTD18_029; SO120_CTD19_030; SO120_CTD20_033; SO120_CTD20_034; SO120_CTD21_037; SO120_CTD21_038; SO120_CTD22_040; SO120_CTD23_042; SO120_CTD23_043; SO120_CTD24_046; SO120_CTD24_047; SO120_CTD25_050; SO120_CTD25_051; SO120_CTD25_053; SO120_CTD25_054; SO120_CTD28_055; SO120_CTD28_056; SO120_CTD28_057; SO120_CTD31_058; SO120_CTD31_059; SO120_CTD31_060; SO120_CTD34_062; SO120_CTD34_063; SO120_CTD38_066; SO120_CTD39_068; SO120_CTD39_069; SO120_CTD41_071; SO120_CTD41_072; SO120_CTD43_074; SO120_CTD43_075; Sonne; Temperature, water; Thymidine incorporation; Thymidine uptake rate; Tritiated leucine incorporation (Knap et al., 1996, IOC Manuals and Guides 29)
    Type: Dataset
    Format: text/tab-separated-values, 11513 data points
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  • 3
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    Documentation of sediment core SO205-15-1 (SO205-15KL) (2013)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: BGR; Bundesanstalt für Geowissenschaften und Rohstoffe, Hannover; Equatorial East Pacific; KL; MANGAN; Piston corer (BGR type); SO205; SO205-15-1; SO205-15KL; Sonne
    Type: Dataset
    Format: unknown
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    DATA PANGAEA
  • 4
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    Documentation of sediment core SO205-55-1 (SO205-55KL) (2013)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: BGR; Bundesanstalt für Geowissenschaften und Rohstoffe, Hannover; Equatorial East Pacific; KL; MANGAN; Piston corer (BGR type); SO205; SO205-55-1; SO205-55KL; Sonne
    Type: Dataset
    Format: unknown
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 5
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    Physical oceanography from mooring AWI208-6 (2013)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-XXVII/2; AWI_PhyOce; AWI208-6; DATE/TIME; DEPTH, water; Gear identification number; Mooring (long time); MOORY; Physical Oceanography @ AWI; Polarstern; Pressure, water; PS77; Salinity; see comment for gear; Temperature, water; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 203210 data points
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    DATA PANGAEA
  • 6
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    Physical oceanography and current meter data from mooring AWI216-4 (2013)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-XXVII/2; AWI_PhyOce; AWI216-4; Current direction; Current velocity, east-west; Current velocity, horizontal; Current velocity, north-south; DATE/TIME; DEPTH, water; Gear identification number; Mooring (long time); MOORY; Physical Oceanography @ AWI; Polarstern; Pressure, water; PS77; Salinity; see comment for gear; Temperature, water; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 265162 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 7
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    Physical oceanography and current meter data from mooring AWI231-9 (2013)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-XXVII/2; AWI_PhyOce; AWI231-9; Current direction; Current velocity, east-west; Current velocity, horizontal; Current velocity, north-south; DATE/TIME; DEPTH, water; Gear identification number; Lazarev Sea; Mooring (long time); MOORY; Physical Oceanography @ AWI; Polarstern; Pressure, water; PS77; Salinity; see comment for gear; Temperature, water
    Type: Dataset
    Format: text/tab-separated-values, 1076408 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 8
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    Physical oceanography and current meter data from mooring AWI232-7 (2013)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-XXII/3; AWI_PhyOce; AWI232-7; Current direction; Current velocity, east-west; Current velocity, horizontal; Current velocity, north-south; DATE/TIME; DEPTH, water; Gear identification number; Mooring (long time); MOORY; Physical Oceanography @ AWI; Polarstern; Pressure, water; PS67 ANDEEP 3; Salinity; see comment for gear; Temperature, water; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 627647 data points
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  • 9
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    Age model of sediment core GIK16986-1 (2013)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: Age, calculated calendar years; Age, comment; Age model; Calculated, see reference(s); DEPTH, sediment/rock; EDISON PACIFIC; Giant box corer; GIK/IfG; GIK16986-1; GKG; Institute for Geosciences, Christian Albrechts University, Kiel; Sedimentation rate; SO94; SO94_12; Sonne; West Pacific
    Type: Dataset
    Format: text/tab-separated-values, 9 data points
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  • 10
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    Documentation of sediment core GeoB17203-4 (2013)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: Center for Marine Environmental Sciences; GeoB17203-4; MARUM; MUC; MultiCorer; POS448; Poseidon
    Type: Dataset
    Format: unknown
    Location Call Number Expected Availability
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    DATA PANGAEA
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