[Eoas-seminar] COAPS Short Seminar Series

[eoas-seminar at lists.fsu.edu]

COAPS Short Seminar Series
11:00 AM Dec. 2nd
Attend F2F (in 255 Research A) or Virtually (via Zoom)
https://fsu.zoom.us/j/92268262553

Meeting ID: 922 6826 2553
Talks are normally 12 minutes long with an additional 8 minutes for questions.

How do the Yucatan Channel transport and Loop Ccurrent phases impact GoM residence times?
By Nektaria Ntaganou
Description: TBD

Direct and indirect feedbacks from mesoscale eddies to the atmosphere and sea surface waves
By Marco Larrañaga  (32 minutes plus questions)
Description: Until now, refraction has been considered the main effect of mesoscale eddies on sea surface wave fields. However, recent sea surface wave measurements from the Chinese-French Oceanic SATellite (CFOSAT) reveal a different scenario. CFOSAT measurements indicate that a significant consequence of mesoscale eddies is the generation of wind stress anomalies through the current feedback to the atmosphere. By modifying the wind stress through the current feedback to the atmosphere, canonical mesoscale eddies indirectly give rise to anomalies in the significant wave height of about 0.03 m, which are predominantly characterized by positive anomalies. Furthermore, observations show that regions characterized by strong mesoscale eddies, such as the Gulf Stream, Kuroshio Current, Agulhas Current, and the Antarctic, are predominantly associated with significant wave height anomalies exceeding 0.1 m, which are also predominantly characterized by positive anomalies.
The results underscore the importance of indirect feedback mechanisms between the ocean, the atmosphere, and sea surface waves. Consequently, coupled numerical simulations should be used not only to accurately predict or study the generation and evolution of sea surface waves but also to properly isolate the feedback between these tree systems.


NOTE: Please feel free to forward/share this invitation with other groups/disciplines that might be interested in this talk/topic. All are welcome to attend.

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