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<span style="font-family: Tahoma, Geneva, sans-serif; font-size: 14pt; color: rgb(0, 0, 0);"><b><i>"Direct and indirect feedbacks from mesoscale eddies to the atmosphere and sea surface waves"</i></b></span>
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<b>Marco Larrañaga</b></div>
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Center for Ocean-Atmospheric Prediction Studies (COAPS),</div>
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Florida State University (FSU)</div>
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Please feel free to forward/share this invitation with other groups/disciplines that might be interested in this talk/topic.
<b>All are welcome to attend. </b></div>
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NOTE: <b>In-person attendance is requested in our 499 Dirac Science Library (DSL) Seminar Room.
</b>Zoom access is intended for external (non-departmental) participants only. </div>
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<b>https://fsu.zoom.us/j/94273595552 </b></div>
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Meeting # <b>942 7359 5552 </b></div>
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🎦 Colloquium recordings will be made available here, <a href="https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.sc.fsu.edu%2Fcolloquium&data=05%7C02%7Csc-seminar-announce%40lists.fsu.edu%7Cd064203182204931110f08dd2e9428ae%7Ca36450ebdb0642a78d1b026719f701e3%7C0%7C0%7C638717936045344760%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=yxD%2BvUgO0Tu7yWHk3VjheyF0qDVIdi1Cq1f4n7oBpsA%3D&reserved=0" originalsrc="https://www.sc.fsu.edu/colloquium" shash="VkEQHfh7viHf/y1QULEz8V8uJoAswASL6roUYGnuGORn4F8NgBCq9e3GOGeOmXelOboDERaQixCjSsPfk5Nuv8F2eqjOX65J7Obmr19YxoxZDWD3XRbJl7rtqEgiGYUyGqzlOFZhvnScbyc4UddvFghBG8X9LPr4lERfal6L570=" id="OWAbc2a23b4-c283-28a7-6b14-571de1ffc339" class="OWAAutoLink">
https://www.sc.fsu.edu/colloquium</a> </div>
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<b>Wednesday, Jan 8th, 2025, Schedule: </b></div>
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* 3:00 to 3:30 PM Eastern Time (US and Canada) </div>
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☕ Nespresso & Teatime - 417 DSL Commons </div>
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<b>* 3:30 to 4:30 PM Eastern Time (US and Canada) </b></div>
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<b>🕟 Colloquium - 499 DSL Seminar Room </b></div>
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<b>Abstract: </b></div>
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Mesoscale eddies significantly influence ocean-atmosphere interactions through both direct and indirect feedback mechanisms. Thermal feedback refers to how mesoscale eddies induce spatial anomalies in sea surface temperature, which subsequently affect atmospheric
processes such as wind patterns and air-sea heat fluxes. These sea surface temperature anomalies can drive local weather variability by altering the exchange of heat and momentum between the ocean and the atmosphere. In addition to thermal feedback, current
feedback plays a crucial role in the energy dynamics of the ocean. This mechanism acts as an energy sink, transferring kinetic energy from the ocean's mesoscale features to the atmosphere, thus reducing eddy kinetic energy by approximately 30% in regions characterized
by high mesoscale activity. In the Gulf of Mexico, a region with intense mesoscale dynamics influenced by the Loop Current and the eddies that the current detaches, the current feedback mechanism dampens mesoscale activity by roughly 20%. This energy reduction
modifies the detachment statistics of Loop Current eddies, influencing their shedding frequency, size, and lifespan. Such alterations in eddy properties have broader implications for regional oceanic and atmospheric dynamics.</div>
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Furthermore, mesoscale eddies indirectly impact the generation of sea surface waves. By inducing anomalies in the wind stress field, the current feedback leads to a tendency for increased wave heights. These findings underscore the importance of considering
current feedback mechanisms in coupled ocean-sea surface waves-atmosphere simulations to enhance predictions of oceanic and atmospheric variability.</div>
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Additional colloquium details can be found here, </div>
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<a href="https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.sc.fsu.edu%2Fnews-and-events%2Fcolloquium%2F1852-colloquium-with-marco-larranaga-2025-01-08&data=05%7C02%7Csc-seminar-announce%40lists.fsu.edu%7Cd064203182204931110f08dd2e9428ae%7Ca36450ebdb0642a78d1b026719f701e3%7C0%7C0%7C638717936045360976%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=W55WdygYAXYwZ%2FPU1VGkn8C3LWbtoGIfF7Z0ToR%2FpsU%3D&reserved=0" originalsrc="https://www.sc.fsu.edu/news-and-events/colloquium/1852-colloquium-with-marco-larranaga-2025-01-08" shash="Tgpsa/c4vR0A9bm3QpXwZ7nSEJRSX0zIjs+IRMs5IY3W8Pu1Iu5SaIxIFwHgAfvgI83sb6/+LNbfTOgILO4MypuKhin5mk1PMqhArix8SaaW/sUsN9W2jhjSoJz7Pf9EAv1AB0MN6V0VExT/0kgrsoPhb1uh3Q3kipMRN8wN2Xo=" id="OWA044b65b2-e106-7908-3ba0-cb671f55b17d" class="OWAAutoLink">https://www.sc.fsu.edu/news-and-events/colloquium/1852-colloquium-with-marco-larranaga-2025-01-08</a></div>
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