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  • 356-U1459A; 356-U1459B; AGE; Core; Cruise/expedition; Depth, composite; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Event label; EXP356; Hole; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Mass spectrometer Finnigan MAT 251 equipped with automated carbonate preparation line (Kiel III); Offset; Sample code/label; Section; Species; Trilobatus sacculifer, δ13C; Trilobatus sacculifer, δ18O  (1)
  • 356-U1460; AGE; COMPCORE; Composite Core; DEPTH, sediment/rock; EXP356; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; log-Titanium/Calcium ratio; X-ray fluorescence (XRF)  (1)
  • 356-U1460; AGE; Calcium Carbonate; Calculated; COMPCORE; Composite Core; DEPTH, sediment/rock; EXP356; Indian Ocean; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; ln-((Aluminium+Potassium)/Calcium) ratio; Middle Pleistocene Transition; organic carbon; U1460  (1)
  • 2020-2024  (3)
Document type
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  • 2020-2024  (3)
Year
  • 1
    Publication Date: 2024-04-26
    Keywords: 356-U1460; AGE; Calcium Carbonate; Calculated; COMPCORE; Composite Core; DEPTH, sediment/rock; EXP356; Indian Ocean; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; ln-((Aluminium+Potassium)/Calcium) ratio; Middle Pleistocene Transition; organic carbon; U1460
    Type: Dataset
    Format: text/tab-separated-values, 3950 data points
    Location Call Number Limitation Availability
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  • 2
    Publication Date: 2024-04-26
    Description: The Indonesian Throughflow (ITF) controls the oceanic flux of heat and salt between the Pacific and Indian Oceans and therewith plays an important role in modulating the meridional overturning circulation and low latitude hydrological cycle. Here, we report new sea surface temperature and aridity records from the west coast of Australia (IODP Site U1460), which allow us to assess the sensitivity of the eastern Indian Ocean to the major reorganization of Earth's climate that occurred during the Mid-Pleistocene Transition. Our records indicate glacial coolings at 1.55 and 0.65 million years ago that are best explained by a weakening of the ITF as a consequence of global sea level and tectonic changes. These coincide with the development of pronounced gradients in the carbon isotope composition of the different ocean basins and with substantial changes in regional aridity, suggesting that the restrictions of the ITF influenced both the evolution of global ocean circulation and the development of the modern hydrological cycle in Western Australia.
    Keywords: 356-U1460; AGE; COMPCORE; Composite Core; DEPTH, sediment/rock; EXP356; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; log-Titanium/Calcium ratio; X-ray fluorescence (XRF)
    Type: Dataset
    Format: text/tab-separated-values, 7547 data points
    Location Call Number Limitation Availability
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  • 3
    Publication Date: 2024-04-26
    Description: This dataset reports the isotope composition (carbon and oxygen isotopes) of planktonic foraminiferal (Trilobatus sacculifer), extracted from sediment samples from IODP Site U1459. The analyzed samples have a temporal coverage from the late Pliocene to the early Pleistocene (4 - 2 Ma), and were obtained from the Perth Basin (offshore southwestern Australia). Therewith, Site U1459 is ideally situated to record changes in Leeuwin Current dynamics, and this dataset has been obtained to study Leeuwin Current intensity on orbital glacial-interglacial timescales across the Plio-Pleistocene boundary. All samples were measured using a Finnigan MAT 251 gas isotope ratio mass spectrometer connected to a Kiel III automated carbonate preparation device at the Center for Marine Environmental Sciences (MARUM), between 2018 and 2021.
    Keywords: 356-U1459A; 356-U1459B; AGE; Core; Cruise/expedition; Depth, composite; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Event label; EXP356; Hole; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Mass spectrometer Finnigan MAT 251 equipped with automated carbonate preparation line (Kiel III); Offset; Sample code/label; Section; Species; Trilobatus sacculifer, δ13C; Trilobatus sacculifer, δ18O
    Type: Dataset
    Format: text/tab-separated-values, 3760 data points
    Location Call Number Limitation Availability
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