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Variations over the last 400 ka of the South China Sea hidrolographical conditions - implications for paleoceanography and paleoclimate

Abstract

The South China Sea (SCS) has been in the focus of paleoceanographic studies since Ocean Drilling Program Expedition 184 (ODP leg 184) in 1999. This marginal basin has, since then, provided high resolution marine sedimentary records, that have been applied in the understanding of glacial/interglacial and biogeochemical processes connections linked with air-continent-sea interactions, namely the East Asia Monsoon System. Despite the large number of paleoceanographic and climatic studies performed in the SCS little is known about deep ocean processes and coupling between surface and deep ocean. Within this context this proposal main goal is to investigate changes in surface and deep ocean conditions in the SCS during Late Quaternary glacial/interglacial cycles based on marine sediment records obtained during IODP Expedition 349 - South China Sea Tectonics. In order to achieve this we aim to (i) produce a solid chronostratigraphic base for all future Expeditions 349 Late Quaternary studies, through the isotopic composition of benthic foraminifera (dO-18) and Th-230; and (ii) reconstruct hydrographic condition changes in the SCS in the last 400 ka based on the isotopic and trace element composition of benthic and planktonic foraminifera tests. (AU)

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
GEROTTO, AMANDA; LOPES FIGUEIRA, RUBENS CESAR; DE LIMA FERREIRA, PAULO ALVES; HAHN, ANNETTE; HERNANDEZ-ALMEIDA, IVAN; NAGAI, RENATA HANAE. Carbonate-rich sequences in the deep sea of the eastern South China Sea subbasin (IODP Hole U1431D) during the last 600 kyr. MARINE MICROPALEONTOLOGY, v. 158, JUN 2020. Web of Science Citations: 0.

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