Kanamatsu, Toshiya, Stein, Ruediger, Alvarez Zarikian, Carlos A., Aboud, Essam, Acton, Gary D., Akimoto, Kazumi, Bailey, Ian, Bjørklund, Kjell R., Evans, Helen, Fang, Nianqiao, Ferretti, Patrizia, Gruetzner, Jens, Guyodo, Yohan J.B., Hatakeda, Kentaro, Harris, Robert, Hagino, Kyoko, Hefter, Jens Norbert, Judge, Shelley A., Kulhanek, Denise K., Nanayama, Futoshi, Nielsen, Simon H.H., Ohno, Masao, Rashid, Harunur, Sierro Sanchez, Francisco J., Voelker, Antje, Zhai, Qiumin and Higgins, Sean M. (2006) Expedition 306 summary. Channell, J.E.T, Kanamatsu, T., Sato, T., Stein, R., Alvarez Zarikian, C.A. and Malone, M.J. (eds.) In Proceedings of the Integrated Ocean Drilling Program, Volume 303/306. Integrated Ocean Drilling Program. pp. 1-29 . (doi:10.2204/iodp.proc.303306.109.2006).
Abstract
The overall aim of the North Atlantic paleoceanography study of Integrated Ocean Drilling Program Expedition 306 is to place late Neogene–Quaternary climate proxies in the North Atlantic into a chronology based on a combination of geomagnetic paleointensity, stable isotope, and detrital layer stratigraphies, and in so doing generate integrated North Atlantic millennial-scale stratigraphies for the last few million years. To reach this aim, complete sedimentary sections were drilled by multiple advanced piston coring directly south of the central Atlantic “ice-rafted debris belt” and on the southern Gardar Drift. In addition to the North Atlantic paleoceanography study, a borehole observatory was successfully installed in a new ~180 m deep hole close to Ocean Drilling Program Site 642, consisting of a circulation obviation retrofit kit to seal the borehole from the overlying ocean, a thermistor string, and a data logger to document and monitor bottom water temperature variations through time.
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