Late Quaternary Distribution of the Cycladophora davisiana Radiolarian Species: Reflection of Possible Ventilation of the North Pacific Intermediate Water during the Last Glacial Maximum.

Matul, A. G., Abelmann, A., Gersonde, R., Nürnberg, Dirk , Tiedemann, Ralf and Kruglikova, S. B. (2015) Late Quaternary Distribution of the Cycladophora davisiana Radiolarian Species: Reflection of Possible Ventilation of the North Pacific Intermediate Water during the Last Glacial Maximum. Oceanology, 55 (1). pp. 91-99. DOI 10.1134/S0001437015010130.

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Abstract

A comparison of micropaleontological data on the distribution of the Cycladophora davisiana radiolarian species in the surface sediment layer and the Late Quaternary sediments from the Subarctic Pacific and
Far East marginal seas allowed conclusions concerning the possible conditions and occurrence of intermediate
waters during the last glacial maximum. We used the modern data on the C. davisiana species, which is a micropaleontological indicator of the cold oxygen-rich upper intermediate water mass, which is now forming only in
the Sea of Okhotsk. The high amount of C. davisiana in sediments of the last glacial maximum may point to the
possible formation and expansion of the ventilated intermediate water in the most part of the Subarctic paleo-Pacific: the Bering Sea, the Sea of Okhotsk, within the NW Gyre, and in the Gulf of Alaska.

Document Type: Article
Additional Information: Original Russian Text © A.G. Matul, A. Abelmann, R. Gersonde, D. Nürnberg, R. Tiedemann, S.B. Kruglikova, 2015, published in Okeanologiya, 2015, Vol. 55, No. 1, pp. 103–112 doi:10.7868/S003015741501013X WOS:000352488700010
Keywords: radioalarians, Cycladophora davisiana, intermediate water formation, North Pacific paleoceanography
Research affiliation: OceanRep > GEOMAR > FB1 Ocean Circulation and Climate Dynamics > FB1-P-OZ Paleo-Oceanography
AWI
Refereed: Yes
Open Access Journal?: No
DOI etc.: 10.1134/S0001437015010130
ISSN: 0001-4370
Projects: Future Ocean
Date Deposited: 23 Feb 2015 09:52
Last Modified: 19 Dec 2017 12:46
URI: http://oceanrep.geomar.de/id/eprint/27615

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