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  • 25-GC1; Black Sea; GC; Gravity corer; M72/5; M72/5_628-1; Meteor (1986)  (1)
  • Center for Marine Environmental Sciences; GeoB5844-2; Gravity corer (Kiel type); M44/3; MARUM; Meteor (1986); Northern Red Sea; SL  (1)
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  • 1
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    Unknown
    Radiocarbon dating, oxygen isotopes, and sea-level reconstruction of sediment core GeoB5844-2 from the northern end of the Red Sea
    PANGAEA
    In:  Supplement to: Arz, Helge Wolfgang; Lamy, Frank; Ganopolski, Andrey; Nowaczyk, Norbert R; Pätzold, Jürgen (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
    Details
    Publication Date: 2023-06-27
    Description: 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.
    Keywords: Center for Marine Environmental Sciences; GeoB5844-2; Gravity corer (Kiel type); M44/3; MARUM; Meteor (1986); Northern Red Sea; SL
    Type: Dataset
    Format: application/zip, 3 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    Unknown
    Temperature variabilty in the southeastern Black-Sea during 64-20ka BP (2015)
    PANGAEA
    In:  Supplement to: Wegwerth, Antje; Ganopolski, Andrey; Ménot, Guillemette; Kaiser, Jérôme; Dellwig, Olaf; Bard, Edouard; Lamy, Frank; Arz, Helge Wolfgang (2015): Black Sea temperature response to glacial millennial-scale climate variability. Geophysical Research Letters, 42, 8 pp, https://doi.org/10.1002/2015GL065499
    Details
    Publication Date: 2024-02-02
    Description: The Eurasian inland propagation of temperature anomalies during glacial millennial-scale climate variability is poorly understood but this knowledge is crucial to understanding hemisphere-wide atmospheric teleconnection patterns and climate mechanisms. Based on biomarkers and geochemical paleothermometers, a pronounced continental temperature variability between 64,000 and 20,000 years ago, coinciding with the Greenland Dansgaard-Oeschger cycles, was determined in a well-dated sediment record from the formerly enclosed Black Sea. Cooling during Heinrich events was not stronger than during other stadials in the Black Sea. This is corroborated by modeling results showing that regular Dansgaard-Oeschger cycles penetrated deeper into the Eurasian continent than Heinrich events. The pattern of coastal ice-rafted detritus suggests a strong dependence on the climate background state, with significantly milder winters during periods of reduced Eurasian ice sheets and an intensified meridional atmospheric circulation.
    Keywords: 25-GC1; Black Sea; GC; Gravity corer; M72/5; M72/5_628-1; Meteor (1986)
    Type: Dataset
    Format: application/zip, 4 datasets
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    DATA PANGAEA
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