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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,, 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,

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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
GeoB5844-2 * Latitude: 27.713500 * Longitude: 34.681700 * Date/Time: 1999-04-02T20:53:00 * Elevation: -963.0 m * Recovery: 12.35 m * Location: Northern Red Sea * Campaign: M44/3 * Basis: Meteor (1986) * Method/Device: Gravity corer (Kiel type) (SL)
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