Analysis of grain-size populations and estimates of paleocurrents associated with the flow of the Antarctic intermediate water, on the slope of Santos Basin

• Grant number: 22/09631-2
• Support Opportunities: Scholarships in Brazil - Scientific Initiation
• Start date: September 01, 2022
• End date: August 31, 2024
• Field of knowledge: Physical Sciences and Mathematics - Oceanography - Geological Oceanography
• Principal Investigator: Michel Michaelovitch de Mahiques
• Grantee: Nicole de Magalhães Torquato
• Host Institution: Instituto Oceanográfico (IO). Universidade de São Paulo (USP). São Paulo , SP, Brazil
• Associated research grant: 20/14356-5 - The Santos Bifurcation: present and past, AP.PFPMCG.TEM

Abstract

The grain-size properties of sediment constitute one of the pillars for the characterization of seafloor environments, as well as for the paleoceanographic reconstitution of sedimentary environments. This project aims to recognize the temporal variability of the Antarctic Intermediate Water W flow using grain-size data. Two key questions are presented1. Have there been changes in grain-size populations since the Last Glacial Maximum?2. Have there been significant changes in current strengths over the same period?(AU)