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3 Research products, page 1 of 1

  • European Marine Science
  • Collection
  • European Commission
  • TiPES
  • PANGAEA - Data Publisher for Earth and Environmental Science

  • Open Access English
    Simonsen, Marius Folden; Baccolo, Giovanni; Blunier, Thomas; Borunda, Alejandra; Delmonte, Barbara; Frei, Robert; Goldstein, Steven L; Grinsted, Aslak; Kjær, Helle Astrid; Sowers, Todd A; +6 more
    Publisher: PANGAEA - Data Publisher for Earth & Environmental Science
    Project: NSF | Collaborative Research: I... (1443464), EC | TiPES (820970), EC | ICE2ICE (610055)

    The RECAP ice core was drilled on Renland ice cap, coastal East Greenland, in May-June 2015. This dataset presents the first complete timescale for the ice core record, based on impurity (dust and chemistry) as well as gas content measurements. The underlying dust particle and gas (CH4, d15N and d18Oair) data are presented. Strontium and Neodymium measurements of potential dust source samples collected from exposed terrain in central East Greenland are also presented. The timescale is called 'RECAP GICC05modelext Time Scale (version 1/3-2018)' and has been synchronized to the existing GICC05modelext timescale. All synchronization tiepoints are presented.

  • Other research product . Collection . Other ORP type . 2020
    Open Access English
    Westerhold, Thomas;
    Publisher: PANGAEA - Data Publisher for Earth & Environmental Science
    Project: EC | TiPES (820970), EC | EARTHSEQUENCING (617462), EC | MIONIÑO (796220)

    Much of our understanding of Earth's past climate states comes from the measurement of oxygen and carbon isotope variations in deep-sea benthic foraminifera. Yet, major intervals in those records that lack the temporal resolution and/or age control required to identify climate forcing and feedback mechanisms. Here we document 66 million years of global climate by a new high-fidelity Cenozoic global reference benthic carbon and oxygen isotope dataset (CENOGRID). Using recurrence analysis, we find that on timescales of millions of years Earth's climate can be grouped into Hothouse, Warmhouse, Coolhouse and Icehouse states separated by transitions related to changing greenhouse gas levels and the growth of polar ice sheets. Each Cenozoic climate state is paced by orbital cycles, but the response to radiative forcing is state dependent.

  • Open Access English
    Kjær, Helle Astrid; Hauge, Lisa Lolk; Simonsen, Marius; Yoldi, Zurine; Koldtoft, Iben; Hörhold, Maria; Freitag, Johannes; Kipfstuhl, Sepp; Svensson, Anders M; Vallelonga, Paul T;
    Publisher: PANGAEA - Data Publisher for Earth & Environmental Science
    Project: EC | ICE2ICE (610055), EC | TiPES (820970)

    One and two metre snow pit accumulation, density, peroxide and conductivity on a depth and age scale from summer 2019 obtained at 7 ice core drilling sites; NEEM, B16, B19, B22 as well as 3 sites in the vicinity of EastGRIP representing the years 2014 to summer 2019. The data was analysed by means of continuous flow using the Light weight In Situ Analysis (LISA) box (Kjær et al, 2021).