[Eoas-seminar] COAPS Short Seminar Series - Monday at 11:00

Tue Sep 28 11:28:09 EDT 2021

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From: Eoas-seminar <eoas-seminar-bounces at lists.fsu.edu<mailto:eoas-seminar-bounces at lists.fsu.edu>> On Behalf Of eoas-seminar--- via Eoas-seminar
Sent: Tuesday, September 28, 2021 10:04 AM
To: seminar at coaps.fsu.edu<mailto:seminar at coaps.fsu.edu>; eoas-seminar at lists.fsu.edu<mailto:eoas-seminar at lists.fsu.edu>
Subject: [Eoas-seminar] COAPS Short Seminar Series - Monday at 11:00

These talks are usually scheduled for the first Monday of each month. The first talk normally starts at 11:00AM.  Each talk is typically 12 minutes long (similar to many professional meetings), with 8 minutes for questions; however, this month there will be two slightly longer talks.

These talks will be presented via Zoom, with the following connection information:
https://urldefense.com/v3/__https://fsu.zoom.us/j/98491660566?pwd=NzBxNzN4LzdsbSs4R3B6RzliOGhhdz09__;!!PhOWcWs!haLvUsNTSbbQeQprAP0KH1xkA1UXyWXUXqJJ4lbrloguVVYbF9RDTuBbaUp7H3fFdZ8doy0$ <https://urldefense.com/v3/__https:/fsu.zoom.us/j/98491660566?pwd=NzBxNzN4LzdsbSs4R3B6RzliOGhhdz09__;!!Epnw_ITfSMW4!4tCYRKVqKv5JgfhCqlnJ7KqR_Qz64yDNpP2G96sBMS0WTiccI6utc5WlDEn3S4RIgg$>

Meeting ID: 984 9166 0566
Passcode: 478314

Oct. 4th:

Luna Hiron: Intensification of Loop Current Frontal Eddies and their Interactions with the Loop Current and Surrounding Flow
Description: Loop Current Frontal Eddies (LCFEs) are cold-core vortices located in the Loop Current (LC) vicinity and are known to intensify and play an essential role in the LC shedding. This talk will present results on the interactions between strong frontal eddies and the LC and how these events modify the balance of forces in the LC front, shifting from a geostrophic to a gradient-wind balance regime. Additionally, the effect of the LCFE intensification on the local circulation is investigated. It was found that frontal eddies can (1) attract particles and passive tracers such as chlorophyll and oil from the surrounding Gulf water and the shelf to offshore regions, and (2) once inside the vortex boundary, the frontal eddies can transport these particles without exchange with the exterior for weeks. Thus, LCFE intensification is a crucial process for cross-shelf exchanges and predicting oil and particle transport in the Eastern Gulf of Mexico.

Phillippe Miron: Transition Pathways of Marine Debris and the Stability of Garbage Patches

Description: Tons of plastic debris gets released into the ocean every day, and most of it accumulates within garbage patches in the center of each ocean. The most infamous one, the Great Pacific Garbage Patch, is in the North Pacific Ocean. In a recent publication, we explored debris pathways from the coasts to the garbage patches using transition path theory (TPT), as well as the relative strengths of different subtropical gyres in the ocean and how it influences the long-term accumulation of debris. The TPT analysis was applied on a pollution-aware Markov chain model constructed from trajectories of satellite-tracked undrogued buoys from the NOAA Global Drifter Program. Directly connecting pollution sources along coastlines with garbage patches of varied strengths, the unveiled pollution routes represent alternative targets for ocean cleanup efforts. Among our specific findings, we highlight: constraining a highly probable pollution source for the Great Pacific Garbage Patch; characterizing the weakness of the Indian Ocean gyre as a trap for plastic waste; and unveiling a tendency of the subtropical gyres to export garbage toward the coastlines rather than to other gyres in the event of anomalously intense winds.

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