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Site U1487

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      Abstract

      International Ocean Discovery Program (IODP) Site U1487 is located ~190 km west-southwest of Manus Island at 02°20.00ʹS, 144°49.17ʹE in 874 m water depth. Site U1487 is upslope from Site U1486 and is expected to show the same sediment composition but with reduced sedimentation rate because of its shallower position. As a companion to Site U1486, Site U1487 was also targeted because of its potential to provide an excellent Pleistocene paleoceanographic record to examine orbital-scale climate variability at high resolution through the Pleistocene. The site is also ideally located to monitor the contribution of the New Guinea Coastal Current and Undercurrent to the Indonesian Throughflow (ITF). The New Guinea Coastal Current is the southern branch of the westward, cross-equatorial flowing South Equatorial Current and constitutes the main southern Pacific contribution to the surface transport of the ITF. At a water depth of ~880 meters below sea level (mbsl), this site is bathed by modified Antarctic Intermediate Water originating from the Southern Ocean and thus will allow for the reconstruction of past variability of this water mass.

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            Author and article information

            Journal
            10.14379/iodp.proc.363.2018
            Proceedings of the International Ocean Discovery Program
            International Ocean Discovery Program
            2377-3189
            08 June 2018
            10.14379/iodp.proc.363.108.2018

            This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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            Self URI (journal page): http://publications.iodp.org/

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