[Eoas-seminar] Reminder: Seminar by Joe LaCasce "Rossby waves over bathymetry" Monday February 24 at COAPS Room 255 at 2pm

[eoas-seminar at lists.fsu.edu]

Today at 2pm

On 2/21/2025 2:00 PM, Eric Chassignet wrote:
> For those of you who cannot attend in person, here is a zoom link:
>
> https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Ffsu.zoom.us%2Fj%2F92095138400&data=05%7C02%7Ceoas-seminar%40lists.fsu.edu%7Cfd3d88d0840a4858979c08dd54fa35cf%7Ca36450ebdb0642a78d1b026719f701e3%7C0%7C0%7C638760155790762216%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=24%2Bmd7ZJIg0XrQPUgEi2hZ9Gr7JeyWMYPBmZRkRdqY4%3D&reserved=0
>
> See you Monday.
> Eric
>
>>
>>
>> Seminar by Joe LaCasce "Rossby waves over bathymetry" Monday February 
>> 24 in room 255 at *COAPS (2pm)
>> *
>>
>> *Abstract: *  Topography plays a central role in ocean dynamics, but 
>> our intuition is nevertheless based largely on flat bottom models. 
>> This includes aspects like the baroclinic modes used for representing 
>> vertical structure and the character of baroclinic instability. A 
>> good example is Rossby waves, whose vertical structure and stability 
>> are both affected by bathymetry. Relatively modest topography causes 
>> the waves to be surface-trapped, which in turn alters their 
>> deformation radius and propagation speed. Rossby waves are also 
>> baroclinically unstable and this too is altered by bathymetry. If the 
>> topographic heights are large enough, energy is transferred directly 
>> to topographically-locked flows rather than to the most unstable wave 
>> found over a flat bottom. The resulting turbulent flow is also 
>> affected by bathymetry, with the deep flow slaved to topography and 
>> compensated surface eddies. The resulting flows strongly resemble 
>> those in the ocean interior, with westward propagation at the surface 
>> and deep gyres.
>>
>>
>>
>> ---
>> Eric Chassignet
>> Professor and Director
>> Center for Ocean-Atmospheric Prediction Studies (COAPS)
>> Florida State University
>> 2000 Levy Avenue, Building A, Suite 292
>> P.O. Box 3062741
>> Tallahassee, FL  32306-2741
>>
>> Office : (1) 850-645-7288
>> COAPS  : (1) 850-644-3846
>> Cell   : (1) 850-524-0033 (urgent matters only)
>> FAX    : (1) 850-644-4841
>> E-mail : echassignet at fsu.edu
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>
> -- 
> Eric Chassignet
> Professor and Director
> Center for Ocean-Atmospheric Prediction Studies (COAPS)
> Florida State University
> 2000 Levy Avenue, Building A, Suite 292
> P.O. Box 3062741
> Tallahassee, FL  32306-2741
>
> Office : (1) 850-645-7288
> COAPS  : (1) 850-644-3846
> Cell   : (1) 850-524-0033 (urgent matters only)
> FAX    : (1) 850-644-4841
> E-mail :echassignet at fsu.edu
> https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.coaps.fsu.edu%2F&data=05%7C02%7Ceoas-seminar%40lists.fsu.edu%7Cfd3d88d0840a4858979c08dd54fa35cf%7Ca36450ebdb0642a78d1b026719f701e3%7C0%7C0%7C638760155790806507%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=E%2FIJbPx0yjjXmMf57RUZV%2BC2i%2FUPhmH%2FmxZolh8%2F6uI%3D&reserved=0
>
>
>

-- 
Eric Chassignet
Professor and Director
Center for Ocean-Atmospheric Prediction Studies (COAPS)
Florida State University
2000 Levy Avenue, Building A, Suite 292
P.O. Box 3062741
Tallahassee, FL  32306-2741

Office : (1) 850-645-7288
COAPS  : (1) 850-644-3846
Cell   : (1) 850-524-0033 (urgent matters only)
FAX    : (1) 850-644-4841
E-mail :echassignet at fsu.edu
https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.coaps.fsu.edu%2F&data=05%7C02%7Ceoas-seminar%40lists.fsu.edu%7Cfd3d88d0840a4858979c08dd54fa35cf%7Ca36450ebdb0642a78d1b026719f701e3%7C0%7C0%7C638760155790814830%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=UCbQMbeVF6q9SFBYrc%2FBVi86LN114L1mE7Kcaqshv5E%3D&reserved=0


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