Arz, Helge Wolfgang; Lamy, Frank; Ganopolski, Andrey; Nowaczyk, Norbert R; Pätzold, Jürgen (2007): Radiocarbon dating, oxygen isotopes, and sea-level reconstruction of sediment core GeoB5844-2 from the northern end of the Red Sea. PANGAEA, https://doi.org/10.1594/PANGAEA.797464, Supplement to: Arz, HW et al. (2007): Dominant Northern Hemisphere climate control over millennial-scale glacial sea-level variability. Quaternary Science Reviews, 26(3-4), 312-321, https://doi.org/10.1016/j.quascirev.2006.07.016
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Based on a radiocarbon and paleomagnetically dated sediment record from the northern Red Sea and the exceptional sensitivity of the regional changes in the oxygen isotope composition of sea water to the sea-level-dependent water exchange with the Indian Ocean, we provide a new global sea-level reconstruction spanning the last glacial period. The sea-level record has been extracted from the temperature-corrected benthic stable oxygen isotopes using coral-based sea-level data as constraints for the sea-level/oxygen isotope relationship. Although, the general features of this millennial-scale sea-level records have strong similarities to the rather symmetric and gradual Southern Hemisphere climate patterns, we observe, in constrast to previous findings, pronounced sea level rises of up to 25 m to generally correspond with Northern Hemisphere warmings as recorded in Greenland ice-core interstadial intervals whereas sea-level lowstands mostly occur during cold phases. Corroborated by CLIMBER-2 model results, the close connection of millennial-scale sea-level changes to Northern Hemisphere temperature variations indicates a primary climatic control on the mass balance of the major Northern Hemisphere ice sheets and does not require a considerable Antarctic contribution.
Latitude: 27.713500 * Longitude: 34.681700
Date/Time Start: 1999-04-02T20:53:00 * Date/Time End: 1999-04-02T20:53:00
Datasets listed in this publication series
- Arz, HW; Lamy, F; Ganopolski, A et al. (2007): (Figure 5C) Planktic and benthic δ¹⁸O records of sediment core GeoB5844-2. https://doi.org/10.1594/PANGAEA.797455
- Arz, HW; Lamy, F; Ganopolski, A et al. (2007): (Figure 5D) Sea-level reconstruction from the northern Red Sea based on the benthic δ¹⁸O records of sediment core GeoB5844-2. https://doi.org/10.1594/PANGAEA.797459
- Arz, HW; Lamy, F; Ganopolski, A et al. (2007): (Table 1) Age model of GeoB5844-2, northern Red Sea, including 14C AMS datings and paleomagnetic tie-points to the NAPIS stack (Stoner et al., 2002). https://doi.org/10.1594/PANGAEA.797447