[Todos] Coloquios CIENCIAS DE LA ATMOSFERA

Ciencias de la Atmosfera & Oceanos secret en at.fcen.uba.ar
Vie Mar 20 00:05:20 ART 2009


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El Departamento de Ciencias de la Atmosfera (DCAO) y
El Centro de Investigaciones del Mar y la Atmosfera (CIMA)
invitan a la siguiente charla abierta:

"La interaccion mutua entre conveccion y la circulacion
cuasi-estacionaria en las regiones subpolares".

Dr. Isidoro Orlanski
Atmospheric and Oceanic Sciences Program (AOS).
Princeton University

Viernes  20 de Marzo- 11 horas.
Aula 8, DCAO. Pabellon 2, Ciudad Universitaria.

¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨

Abstract:
In this study, we have set out to illustrate how a quasi
stationary wave could be intensified by a thermal source,
usually due to
latent heating by convection or other eddy induced diabatic
heating. Moreover,
under some conditions, the circulation of the equivalent
barotropic
wave could enhance the thermal forcing by supplying moisture
to the
area of convection. This process of mutual interaction could
explain
the persistent and large amplitude of external Rossby waves,
in
spite of diffusive effects that high frequency eddies can
exert on
these waves. For this study, we chose the quasi-stationary
patterns that are
observed on the south eastern Pacific Ocean and the
periphery of
Antarctica.

Los esperamos a todos!

Se agradece su difusion.




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