Reconstruction of the ocean circulation in the subtropical western South Atlantic during the last 40,000 years

Abstract

Chapter 2 Last Glacial-Interglacial Cycle 6 Chapter 3 Regional Setting 17 3.1 Continental climate 18 3.2 Upper water column properties 19 3.3 Upper ocean circulation 21 3.4 Primary productivity 24 Chapter 4 Methodology 4.1 Marine sediment core: Preliminary procedures 4.2 Age model 4.3 Micropaleontological analyses: Planktonic foraminiferal assemblages 4.3.1 Reconstruction of paleotemperature 4.3.2 Reconstruction of paleoproductivity 4.3.3 Reconstruction of Agulhas leakage 4.4 Geochemical analyses: Stable oxygen isotope 4.4.1 Reconstruction of δ 18 O ivc-ssw : a proxy for paleosalinity 4.4.2 Reconstruction of past upper ocean stratification ii