Reconstruction of deep-water conditions in the North Atlantic during MIS 9 based on benthic foraminiferal assemblages |
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| Authors: | S A Kostygov E S Kandiano H A Bauch |
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| Institution: | 1.Faculty of Geography and Geoecology,Saint Petersburg State University,Petersburg,Russia;2.Leibniz Institute of Marine Sciences (IFM-GEOMAR),Kiel,Germany;3.Mainz Academy of Sciences and Literature,Mainz,Germany |
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| Abstract: | Marine isotope stage (MIS) 9 is one of the least investigated Pleistocene interglaciations. The present study describes reconstructions
of deep-water conditions during this time interval based on benthic foraminiferal assemblages from sediment core M23414 (Rockall
Plateau, North Atlantic). The results of faunal analysis were supported by planktic δ18O, sea surface temperature reconstructions based on planktic foraminiferal assemblages and content of ice rafted debris. Statistical
data processing using principal component analysis revealed five climate-related benthic foraminiferal associations that changed
in response to alterations of deep-water circulation. |
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