Late quaternary diatom stratigraphy and paleoceanology of the Deryugin Basin (Sea of Okhotsk) during the Last Glacial Maximum |
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| Authors: | V V Mukhina A G Matul |
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| Institution: | 1.Shirshov Institute of Oceanology,Russian Academy of Sciences,Moscow,Russia |
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| Abstract: | Diatoms were studied in the KOMEX LV28-34-2 sediment core from the northwestern Sea of Okhotsk. The interval from the penultimate
glacial to the Holocene was subdivided into stratigraphic units based on the distribution of biogeographic groups and individual
index species. The analysis of the diatom assemblages indicated that, during the Last Glacial Maximum, of the Deryugin Basin
was regularly covered with extensive seasonal ice of at least 70% concentration for a minimum of 6–7 months per year. Cold
subarctic water from the adjacent open Pacific could have reached as far as the northwestern sea area. |
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