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PhD Proposal Defense-Dual Degree Program SMAST/IOUSP by Filipe Pereira dos Santos

When: Tuesday, June 1, 2021
9:00 AM - 10:00 AM
Where: > See description for location
Description: University of Massachusetts Dartmouth, School for Marine Science & Technology
University of São Paulo, Oceanographic Institute
PhD Proposal Defense

"Physical-biological interactions in coastal and oceanic fronts off Southeastern Brazil"

by
Filipe Pereira dos Santos

Committee
Prof. Dr. Ilson Silveira – University of São Paulo, Oceanographic Institute
Prof. Dr. Amit Tandon – University of Masachusetts Dartmouth
Prof. Dr. Marcelo Dottori – University of São Paulo, Oceanographic Institute
Prof. Dr. Geoffrey Cowles – University of Massachusetts Dartmouth, School for
Marine Science & Technology
Prof. Dr. Dennis McGillicuddy – Woods Hole Oceanographic Institution


Tuesday, June 1, 2021
9 am (EST)
via Zoom

Abstract:
The kernel of this PhD project is the mesoscale and submesoscale dynamics of coastal and oceanic fronts that occur in Southeastern Brazil and their ecological effects. We present what has been developed until this point. The Brazil Current (BC) front dynamics and the consequent Nutrients-Phytoplankton-Zooplankton (NPZ) response is investigated. We choose to address this topic by building and exploring a set of idealized models. The study focuses on the baroclinic instability in the BC and the consequent formation and growth of quasi-stationary mesoscale meanders. Using in situ observations as motivation, we develop two models. The first model is a two-layer quasi-geostrophic model based on contour dynamics to understand the basic mechanisms involved in the development of the meanders and the effect of lateral advection on the distribution of plankton using a simple NPZ model. The second model is continuously stratified and equivalent to the two-layer model and coupled to an NPZ model.
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For additional information, please contact Sue Silva at s1silva@umassd.edu
Contact: > See Description for contact information
Topical Areas: School for Marine Sciences and Technology, SMAST Seminar Series