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  • 2020-2024  (20)
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  • 1
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    Late Miocene radiogenic Sr, Nd, and Pb isotope data of the detrital clay fraction from IODP Site 353-U1443 (2021)
    PANGAEA
    Details
    Publikationsdatum: 2023-07-10
    Beschreibung: Data from Enhanced late Miocene chemical weathering and altered precipitation patterns in the watersheds of the Bay of Bengal recorded by detrital clay radiogenic isotopes in Paleoceanography and Paleoclimatology. Marine sediment samples from the late Miocene (approximately 9 to 5 million years ago) were taken from International Ocean Discovery Program (IODP) Site U1443 located on the top of the Ninety East ridge in the southern Bay of Bengal. Samples were taken along the composite sediment section or splice and the age model based on shipboard calcareous nannofossil biostratigraphy and magnetostratigraphy was refined using the stable carbon isotopes of benthic foraminifera. The detrital silicates of the clay size fraction were isolated and measured for their radiogenic Sr, Nd, and Pb isotope composition by multi-collector inductively coupled plasma mass spectrometry (MC-ICP-MS) to investigate the provenance of clays produced by weathering in the surrounding watersheds.
    Schlagwort(e): 353-U1443A; 353-U1443B; 353-U1443C; AGE; Bay of Bengal; calculated, 2 sigma; Core; Cruise/expedition; Depth, composite; detrital clays; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Exp353; Hole; Interval number; Joides Resolution; Late Miocene; Lead-206/Lead-204 ratio; Lead-206/Lead-204 ratio, standard deviation; Lead-207/Lead-204 ratio; Lead-207/Lead-204 ratio, standard deviation; Lead-208/Lead-204 ratio; Lead-208/Lead-204 ratio, standard deviation; MC-ICP-MS; Neodymium-143/Neodymium-144 ratio; Radiogenic isotopes; Sample code/label; Sample comment; Section; Site; Strontium-87/Strontium-86 ratio; Strontium-87/Strontium-86 ratio, standard deviation; Type; Weathering; ε-Neodymium; ε-Neodymium, standard deviation
    Materialart: Dataset
    Format: text/tab-separated-values, 968 data points
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    DATEN PANGAEA
  • 2
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    Compiled Mg/Ca data from PlioVAR (2023)
    PANGAEA
    Details
    Publikationsdatum: 2023-12-18
    Schlagwort(e): 130-806A; 130-806B; 165-999A; 184-1143B; 184-1143C; 202-1241; 202-1241A; 202-1241B; 202-1241C; 22-214; 306-U1313B; 306-U1313C; Age; alkenone SST; benthic and planktonic foraminifers; Caribbean Sea; COMPCORE; Composite Core; d18O of planktic foraminifera; Date/Time of event; Depth, composite; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Exp306; Extracted from PlioVAR KM5c SST Database; Foraminifera, planktic, Magnesium/Calcium ratio; foraminifera oxygen isotopes; From literature; Glomar Challenger; Indian Ocean//RIDGE; Joides Resolution; Latitude of event; Leg130; Leg165; Leg184; Leg202; Leg22; Literature search; Longitude of event; Mg/Ca-based sea surface temperature; North Atlantic Climate 2; Northern Hemisphere glaciation; North Pacific Ocean; PAGES_PlioVAR; Pleistocene; Pliocene; PlioVAR - Pliocene climate variability over glacial-interglacial timescales; Reference/source; Sample code/label; Sea surface temperature; Site; South China Sea; Species, unique identification; Species, unique identification (Semantic URI); Species, unique identification (URI); Uniform resource locator/link to raw data file; Uniform resource locator/link to reference
    Materialart: Dataset
    Format: text/tab-separated-values, 26274 data points
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    DATEN PANGAEA
  • 3
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    Compiled planktonic d18O data from PlioVAR (2023)
    PANGAEA
    Details
    Publikationsdatum: 2024-02-19
    Schlagwort(e): 114-704A; 114-704B; 161-978A; 165-999A; 184-1143A; 184-1143B; 184-1143C; 184-1148A; 184-1148B; 22-214; 306-U1313B; 306-U1313C; Age; Alboran Sea; alkenone SST; benthic and planktonic foraminifers; Caribbean Sea; d18O of planktic foraminifera; Depth, composite; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Event label; Exp306; Extracted from PlioVAR KM5c SST Database; Foraminifera, planktic δ18O; foraminifera oxygen isotopes; From literature; Glomar Challenger; Indian Ocean//RIDGE; Joides Resolution; Leg114; Leg161; Leg165; Leg184; Leg22; Literature search; Mg/Ca-based sea surface temperature; North Atlantic Climate 2; Northern Hemisphere glaciation; PAGES_PlioVAR; Pleistocene; Pliocene; PlioVAR - Pliocene climate variability over glacial-interglacial timescales; Reference/source; Sample code/label; Sample ID; Site; South Atlantic Ocean; South China Sea; Species, unique identification; Uniform resource locator/link to raw data file; Uniform resource locator/link to reference
    Materialart: Dataset
    Format: text/tab-separated-values, 35788 data points
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    DATEN PANGAEA
  • 4
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    Synthesis of sea surface temperature and foraminifera stable isotope data spanning the mid-Pliocene warm period and early Pleistocene (PlioVAR) (2023)
    PANGAEA
    Details
    Publikationsdatum: 2023-12-11
    Beschreibung: The Pliocene Epoch (~2.6–5.3 million years ago, Ma) was characterized by a warmer than present climate with smaller Northern Hemisphere ice sheets, and therefore offers an example of a climate system in long-term equilibrium with current or predicted near-future carbon dioxide concentrations. The end of the Pliocene (~2.6 Ma) is marked by further ice-sheet expansion and intensification of glacial (cold) stages, referred to as the "intensification of Northern Hemisphere Glaciation" (iNHG). Here we present the data used to assess the spatial and temporal variability of ocean temperatures and ice-volume indicators through the late Pliocene and early Pleistocene (from 3.3 to 2.4 Ma) to determine the character of this climate transition. The data come from the Atlantic, Pacific, Indian and Southern Ocean, as well as some marginal seas. Here we present the synthesized alkenone sea-surface temperature, Mg/Ca sea-surface temperature, planktonic foraminifera d18O and benthic foraminifera d18O data which were used in our synthesis. Although the original data sets are largely published, here we present the alkenone SST records calculated using the BAYSPLINE calibration where these were not part of the original publication; the Mg/Ca-SST records where we revised the absolute SSTs; any data sets where we revised the age model.
    Schlagwort(e): alkenone SST; benthic and planktonic foraminifers; d18O of planktic foraminifera; foraminifera oxygen isotopes; Mg/Ca-based sea surface temperature; Northern Hemisphere glaciation; PAGES_PlioVAR; Pleistocene; Pliocene; PlioVAR - Pliocene climate variability over glacial-interglacial timescales
    Materialart: Dataset
    Format: application/zip, 7 datasets
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    DATEN PANGAEA
  • 5
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    PlioVAR sea surface temperature (SST) anomaly calculation (2023)
    PANGAEA
    Details
    Publikationsdatum: 2023-12-11
    Schlagwort(e): 108-662; 117-722; 130-806; 138-846; 162-907; 162-982; 165-999; 167-1012; 175-1082; 175-1087; 177-1090; 184-1143; 202-1241; 22-214; 306-U1313; 321-U1337; 341-U1417; 356-U1463; 90-593; 90-594; alkenone SST; Arabian Sea; Benguela Current, South Atlantic Ocean; benthic and planktonic foraminifers; Calculated; Caribbean Sea; COMPCORE; Composite Core; d18O of planktic foraminifera; Date/Time of event; DRILL; Drilling/drill rig; Event label; Exp306; Exp321; Exp341; EXP356; foraminifera oxygen isotopes; Glomar Challenger; Iceland Sea; Indian Ocean//RIDGE; Italy; Joides Resolution; Latitude of event; Leg108; Leg117; Leg130; Leg138; Leg162; Leg165; Leg167; Leg175; Leg177; Leg184; Leg202; Leg22; Leg90; Longitude of event; Mg/Ca-based sea surface temperature; North Atlantic Climate 2; Northern Hemisphere glaciation; North Pacific Ocean; OUTCROP; Outcrop sample; Pacific Equatorial Age Transect II / Juan de Fuca; PAGES_PlioVAR; Pleistocene; Pliocene; PlioVAR - Pliocene climate variability over glacial-interglacial timescales; Proxy; Punta_Piccola; Sea surface temperature; Sea surface temperature, anomaly; Site; South Atlantic Ocean; South China Sea; Southern Alaska Margin: Tectonics, Climate and Sedimentation; South Pacific/CONT RISE; South Pacific/Tasman Sea/PLATEAU; South Pacific Ocean
    Materialart: Dataset
    Format: text/tab-separated-values, 594 data points
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    DATEN PANGAEA
  • 6
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    PlioVAR KM5c, M2 sea surface temperature (SST) anomalies (2023)
    PANGAEA
    Details
    Publikationsdatum: 2023-12-11
    Schlagwort(e): 108-662; 117-722; 130-806; 138-846; 151-907; 161-978; 162-982; 165-999; 167-1012; 175-1082; 175-1087; 177-1090; 184-1143; 198-1208; 202-1241; 22-214; 306-U1313; 341-U1417; 356-U1463; 90-593; 90-594; Age; AGE; Age, maximum/old; Age, minimum/young; Alboran Sea; alkenone SST; Arabian Sea; Benguela Current, South Atlantic Ocean; benthic and planktonic foraminifers; Calculated; Caribbean Sea; COMPCORE; Composite Core; d18O of planktic foraminifera; Date/Time of event; DRILL; Drilling/drill rig; Duration; Event label; Exp306; Exp341; EXP356; Extracted from PlioVAR KM5c SST Database; foraminifera oxygen isotopes; Glomar Challenger; Iceland Sea; Indian Ocean//RIDGE; Italy; Joides Resolution; Latitude of event; Leg108; Leg117; Leg130; Leg138; Leg151; Leg161; Leg162; Leg165; Leg167; Leg175; Leg177; Leg184; Leg198; Leg202; Leg22; Leg90; Longitude of event; Mg/Ca-based sea surface temperature; North Atlantic Climate 2; Northern Hemisphere glaciation; North Pacific Ocean; Number; OUTCROP; Outcrop sample; PAGES_PlioVAR; Pleistocene; Pliocene; PlioVAR - Pliocene climate variability over glacial-interglacial timescales; Proxy; Punta_Piccola; Sample resolution; Sea surface temperature, anomaly; Sea surface temperature, anomaly, standard deviation; Sea surface temperature, anomaly, uncertainty, square root; Sea surface temperature, uncertainty, square root; Site; South Atlantic Ocean; South China Sea; Southern Alaska Margin: Tectonics, Climate and Sedimentation; South Pacific/CONT RISE; South Pacific/Tasman Sea/PLATEAU; South Pacific Ocean
    Materialart: Dataset
    Format: text/tab-separated-values, 649 data points
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    DATEN PANGAEA
  • 7
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    PlioVAR changepoint analysis (2023)
    PANGAEA
    Details
    Publikationsdatum: 2023-12-11
    Schlagwort(e): 108-662; 114-704; 121-758; 124-772; 130-806; 138-846; 138-849; 151-907; 161-978; 162-982; 165-999; 175-1082; 175-1087; 177-1088; 177-1090; 177-1092; 184-1143; 184-1148; 198-1208; 202-1241; 208-1267; 22-214; 306-U1313; 321-U1337; 341-U1417; 90-593; 90-594; Alboran Sea; alkenone SST; Benguela Current, South Atlantic Ocean; benthic and planktonic foraminifers; Caribbean Sea; Change point detection; COMPCORE; Composite Core; d18O of planktic foraminifera; Date/Time of event; DRILL; Drilling/drill rig; Event label; Exp306; Exp321; Exp341; foraminifera oxygen isotopes; Glomar Challenger; Iceland Sea; Indian Ocean; Indian Ocean//RIDGE; Italy; Joides Resolution; Latitude of event; Leg108; Leg114; Leg121; Leg124E; Leg130; Leg138; Leg151; Leg161; Leg162; Leg165; Leg175; Leg177; Leg184; Leg198; Leg202; Leg208; Leg22; Leg90; Literature search; Longitude of event; Measurement conducted; Mg/Ca-based sea surface temperature; North Atlantic Climate 2; Northern Hemisphere glaciation; North Pacific Ocean; OUTCROP; Outcrop sample; Pacific Equatorial Age Transect II / Juan de Fuca; PAGES_PlioVAR; Pleistocene; Pliocene; PlioVAR - Pliocene climate variability over glacial-interglacial timescales; Proxy; Punta-Grande_Punta-Piccola; Site; South Atlantic Ocean; South China Sea; Southern Alaska Margin: Tectonics, Climate and Sedimentation; South Pacific/CONT RISE; South Pacific/Tasman Sea/PLATEAU; South Pacific Ocean
    Materialart: Dataset
    Format: text/tab-separated-values, 333 data points
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    DATEN PANGAEA
  • 8
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    PlioVAR glacial-interglacial summaries by proxy (2023)
    PANGAEA
    Details
    Publikationsdatum: 2023-12-11
    Schlagwort(e): 108-662; 124-772; 130-806; 138-846; 161-978; 162-907; 162-982; 165-999; 167-1012; 175-1082; 175-1087; 177-1090; 184-1143; 198-1208; 202-1241; 22-214; 306-U1313; 341-U1417; 90-593; 90-594; Age; Alboran Sea; alkenone SST; Benguela Current, South Atlantic Ocean; benthic and planktonic foraminifers; Caribbean Sea; COMPCORE; Composite Core; d18O of planktic foraminifera; Date/Time of event; DRILL; Drilling/drill rig; Duration; Event label; Exp306; Exp341; Extracted from PlioVAR KM5c SST Database; foraminifera oxygen isotopes; Glomar Challenger; Iceland Sea; Indian Ocean//RIDGE; Italy; Joides Resolution; Latitude of event; Leg108; Leg124E; Leg130; Leg138; Leg161; Leg162; Leg165; Leg167; Leg175; Leg177; Leg184; Leg198; Leg202; Leg22; Leg90; Longitude of event; Marine isotope stage; Mg/Ca-based sea surface temperature; North Atlantic Climate 2; Northern Hemisphere glaciation; North Pacific Ocean; Number; OUTCROP; Outcrop sample; PAGES_PlioVAR; Pleistocene; Pliocene; PlioVAR - Pliocene climate variability over glacial-interglacial timescales; Proxy; Punta-Grande_Punta-Piccola; Resolution, temporal; Sea surface temperature; Sea surface temperature, standard deviation; Site; South Atlantic Ocean; South China Sea; Southern Alaska Margin: Tectonics, Climate and Sedimentation; South Pacific/CONT RISE; South Pacific/Tasman Sea/PLATEAU; South Pacific Ocean
    Materialart: Dataset
    Format: text/tab-separated-values, 3485 data points
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    DATEN PANGAEA
  • 9
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    Climatic simulation from the equatorial Indian Ocean (2022)
    PANGAEA
    Details
    Publikationsdatum: 2024-04-26
    Beschreibung: During the late Miocene, global cooling occurred alongside the establishment of near-modern terrestrial and marine ecosystems. Significant (3 to 5 °C) sea surface cooling from 7.5 to 5.5 Ma is recorded by proxies at mid to high latitudes, yet the magnitude of tropical cooling and the role of atmospheric carbon dioxide (pCO2) in driving this trend are debated. Here, we present a new orbital-resolution sea surface temperature (SST) record spanning the late Miocene to earliest Pliocene (9 to 5 Ma) from the eastern equatorial Indian Ocean (International Ocean Discovery Program Site U1443) based on Mg/Ca ratios measured in tests of the planktic foraminifer Trilobatus trilobus. To test if an atmospheric pCO2 decrease may have driven this cooling, we also present new paleoclimate model simulations under three atmospheric pCO2 scenarios (300 ppm, 420 ppm and 560 ppm; in the range suggested by existing pCO2 proxy records). The climatic simulation presents the effect of late Miocene pCO2 on Sea surfaces Temperatures. This dataset contains sea surface temperature outputs from modeling experiments with variable CO2 levels and a late Miocene paleogeography (Sarr et al., in review). The simulations have been run using the IPSL-CM5A2 General Circulation Model (Sepulchre et al. 2020 - GMD). It includes 3 simulations at 300, 420 and 560 ppm respectively. Data are monthly averages over the last 100 years of the simulations. Files have curvilinear coordinates (nav_lon, nav_lat).
    Schlagwort(e): Binary Object; Binary Object (File Size); Binary Object (MD5 Hash); Binary Object (Media Type); CO2; equatorial Indian Ocean; Late Miocene; Sea Surface Temperatures
    Materialart: Dataset
    Format: text/tab-separated-values, 4 data points
    Standort Signatur Erwartet Verfügbarkeit
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    DATEN PANGAEA
  • 10
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    Age model and sedimentation rates of IODP Site 353-U1443 (2021)
    PANGAEA
    Details
    Publikationsdatum: 2024-04-26
    Schlagwort(e): 353-U1443; Age, tuned; Age model; Benthic isotopes; biostratigraphy; Calculated; COMPCORE; Composite Core; DEPTH, sediment/rock; Exp353; Indian Ocean; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; IODP Depth Scale Terminology; Joides Resolution; Miocene; Sedimentation rate; U1443; X-ray fluorescence scanning
    Materialart: Dataset
    Format: text/tab-separated-values, 57 data points
    Standort Signatur Erwartet Verfügbarkeit
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    DATEN PANGAEA
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