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  • Data  (2)
  • Published Data from PANGAEA  (2)
  • Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP  (1)
  • aerosol; CDISK4-track; CDISK-IV; Cruise/expedition; CT; DATE/TIME; Density, sigma, in situ; Density, sigma-theta (0); DEPTH, water; Indian Ocean; LATITUDE; Lithium; Lithium, standard deviation; LONGITUDE; Pacific Ocean; RV Kilo Moana; Salinity, absolute; SN105-track; SOE9-track; Station label; Temperature, water; Underway cruise track measurements  (1)
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  • Data  (2)
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  • Published Data from PANGAEA  (2)
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  • 1
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    Unknown
    PANGAEA
    In:  Supplement to: Cook, Carys P; van de Flierdt, Tina; Williams, Trevor J; Hemming, Sidney R; Iwai, Masao; Kobayashi, Munemasa; Jiménez-Espejo, Francisco Jose; Escutia, Carlota; Gonzàlez, Jhon Jairo; Khim, Boo-Keun; McKay, Robert M; Passchier, Sandra; Bohaty, Steven M; Riesselman, Christina R; Tauxe, Lisa; Sugisaki, Saiko; Lopez Galindo, Alberto; Patterson, Molly O; Sangiorgi, Francesca; Pierce, Elizabeth L; Brinkhuis, Henk; Klaus, Adam; Fehr, Annick; Bendle, James A; Bijl, Peter K; Carr, Stephanie A; Dunbar, Robert B; Flores, José-Abel; Hayden, Travis G; Katsuki, Kota; Kong, Gee Soo; Nakai, Mutsumi; Olney, Matthew P; Pekar, Stephen F; Pross, Jörg; Röhl, Ursula; Sakai, Toyusaburo; Shrivastava, Prakash Kumar; Stickley, Catherine E; Tuo, Shouting; Welsh, Kevin; Yamane, Masako (2013): Dynamic behaviour of the East Antarctic ice sheet during Pliocene warmth. Nature Geoscience, 6(9), 765-769, https://doi.org/10.1038/ngeo1889
    Publication Date: 2024-05-06
    Description: Warm intervals within the Pliocene epoch (5.33-2.58 million years ago) were characterized by global temperatures comparable to those predicted for the end of this century (Haywood and Valdes, doi:10.1016/S0012-821X(03)00685-X) and atmospheric CO2 concentrations similar to today (Seki et al., 2010, doi:10.1016/j.epsl.2010.01.037; Bartoli et al., 2011, doi:10.1029/2010PA002055; Pagani et al., 2010, doi:10.1038/ngeo724). Estimates for global sea level highstands during these times (Miller et al., 2012, doi:10.1130/G32869.1) imply possible retreat of the East Antarctic ice sheet, but ice-proximal evidence from the Antarctic margin is scarce. Here we present new data from Pliocene marine sediments recovered offshore of Adélie Land, East Antarctica, that reveal dynamic behaviour of the East Antarctic ice sheet in the vicinity of the low-lying Wilkes Subglacial Basin during times of past climatic warmth. Sedimentary sequences deposited between 5.3 and 3.3 million years ago indicate increases in Southern Ocean surface water productivity, associated with elevated circum-Antarctic temperatures. The geochemical provenance of detrital material deposited during these warm intervals suggests active erosion of continental bedrock from within the Wilkes Subglacial Basin, an area today buried beneath the East Antarctic ice sheet. We interpret this erosion to be associated with retreat of the ice sheet margin several hundreds of kilometres inland and conclude that the East Antarctic ice sheet was sensitive to climatic warmth during the Pliocene.
    Keywords: Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP
    Type: Dataset
    Format: application/zip, 3 datasets
    Location Call Number Expected Availability
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  • 2
    Publication Date: 2024-04-19
    Description: A total of 603 seawater samples were analysed for their lithium concentrations. The seawater samples were collected during eight research expeditions. All seawater lithium concentrations were normalised to TEOS-10 absolute salinity of 35 g/kg. Most seawater samples were collected using Niskin bottles and filtered using 0.22 µm filters. Exceptions are samples UW1-UW26 that were collected from the underway water system of RV Kilo Moana during cruise CDisK-IV, and surface water samples from the Red Sea that were collected using a bucket lowered from the deck of a container ship. Samples from cruises SOE09, RS2015 and RS2018 were not filtered. The seawater samples were collected during the following cruises: CDisK-IV from Hawaii to Alaska in 01-30 August 2017; SN105 from Goa to Mauritius, samples collected during 7-16 December 2015; RS2015 from the Bay of Bengal to the Mediterranean Sea, samples collected during 27 December 2015 to 3 January 2016; RS2018 from the Bay of Bengal to the Mediterranean Sea, samples collected during 23-31 March 2018; SOE09 in the Indian sector of the Southern Ocean in 12 January - 21 February 2017; JR274 in the Atlantic sector of the Southern Ocean between 9 January and 12 February 2013; D357 and JC068 sailed from South Africa to South America, mostly along 40°S, cruise D357 in 18 October – 22 November 2010, and cruise JC068 in 24 December 2011 – 27 January 2011.
    Keywords: aerosol; CDISK4-track; CDISK-IV; Cruise/expedition; CT; DATE/TIME; Density, sigma, in situ; Density, sigma-theta (0); DEPTH, water; Indian Ocean; LATITUDE; Lithium; Lithium, standard deviation; LONGITUDE; Pacific Ocean; RV Kilo Moana; Salinity, absolute; SN105-track; SOE9-track; Station label; Temperature, water; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 4824 data points
    Location Call Number Expected Availability
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