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Dynamics of the Cape Frio upwelling front

Grant number: 21/08572-0
Support type:Scholarships abroad - Research Internship - Doctorate (Direct)
Effective date (Start): December 19, 2021
Effective date (End): October 31, 2022
Field of knowledge:Physical Sciences and Mathematics - Oceanography - Physical Oceanography
Principal researcher:Ilson Carlos Almeida da SIlveira
Grantee:Filipe Pereira dos Santos
Supervisor abroad: Amit Tandon
Home Institution: Instituto Oceanográfico (IO). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Research place: University of Massachusetts, Dartmouth (UMass Dartmouth), United States  
Associated to the scholarship:17/15026-6 - Physical-biological interactions in coastal and oceanic fronts off Southeastern Brazil, BP.DD

Abstract

This project revisits the wind-driven coastal upwelling system off Cape Frio (23 S) by applying concepts of frontal dynamics. The front established during mature upwelling events is theoretically susceptible to develop submesoscale instabilities. Moreover, a curved geometry found in previous efforts should also have dynamical implications. This proposal aims to investigate the destabilization process of the upwelling front in mesoscale and submesoscale, exploring the possible effects of a curved geometry in the front dynamics. We intend to understand the physical mechanisms by which the newly-upwelled waters can be transported offshore, perhaps reaching the Brazil Current domain and fertilizing the open ocean.

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