[Lcefiec] COLOQUIOS DEL CIMA/DCAO: MIÉRCOLES 24/09 13Hs: The Extraordinary Climates of the Eastern Tropical Pacific and Atlantic Oceans - Roberto Mechoso, University of California Los Angeles
Pablo G. Zaninelli
pzaninelli en cima.fcen.uba.ar
Lun Sep 22 11:49:16 ART 2014
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Coloquio del
Departamento de Ciencias de la Atmósfera y los Océanos DCAO)/
Centro de Investigaciones del Mar y la Atmósfera (CIMA)
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PRÓXIMO MIÉRCOLES 24/09 13Hs: The Extraordinary Climates of the Eastern
Tropical Pacific and Atlantic Oceans - Roberto Mechoso, University of
California Los Angeles (UCLA)
PRÓXIMA SEMANA 1/10 13Hs: Influencia de los cambios ambientales sobre
pesquerías continentales y marinas - Alejandra V. Volpedo, Fac. Cs.
Veterinarias UBA
The Extraordinary Climates of the Eastern Tropical Pacific and Atlantic
Oceans
Roberto Mechoso
UCLA
The climates of the eastern tropical Pacific and Atlantic oceans are
shaped by an extraordinary combination of interactions and feedbacks
among the atmosphere, ocean, land, clouds, and the aerosol. Numerical
models make significant systematic errors in these regions, which
generate serious uncertainties on their predictions of future climates
and their variability. Hence, reducing the models’ systematic errors in
the eastern tropical Pacific and Atlantic oceans has become a subject of
great interest to the climate community. Progress towards this goal
requires a better understanding of these climates and an improved
simulation of their key physical processes. The present talk will start
by reviewing the physical processes and feedbacks at work in the eastern
tropical Atlantic and Pacific oceans. It is shown that, despite the
overall similarities, there are significant interbasin differences. The
next topic will describe model upgrades and contrast the interbasin
differences in error reduction. Finally, new ideas will be discussed
according to which improving the simulation of regional processes may
not suffice for overall better model performance, as the effects of
remote biases may override them.
Professor Carlos Roberto Mechoso is a professor of Atmospheric Dynamics
in the Department of Atmospheric and Oceanic Sciences at the University
of California, Los Angeles. His current research interests are
ocean-atmosphere interactions, numerical weather prediction, meteorology
and climatalogy of the Southern Hemisphere, and high performance
computing. He is the author of more than 150 scientific publications in
his fields of interest. The goal of Professor Mechoso's research is to
increase the understanding of climate variability using analyses of
highly realistic simulations with numerical models, complemented by
studies with observational data. Targeted topics have been El
Nino/Southern Oscillation and its impacts, American monsoon systems,
stratospheric warnings, instabilities on atmospheric fronts, and
distributing computing for climate modeling.
Professor Mechoso is the founding Chair on the panel on Variability of
the American Monsoon Systems (VAMOS) of the World Climate Research
Programme (WCRP). Currently, he chairs the Science Working Group of the
WCRP/VAMOS Ocean-Clouds-Atmosphere-Land Studies (VOCALS) program. He is
also a member of the WCRP/VAMOS panel, and the Science Advisory
Committee of the International Pacific Research Center, U. Hawaii.
Professor Mechoso has been appointed to the WCRP/ClIVAR Science Steering
Group for the period of 2007-2009.
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Grupo Coloquios
Departamento de Ciencias de la Atmosfera y los Oceanos (FCEN-UBA)
Centro de Investigaciones del Mar y la Atmosfera (CONICET-UBA)
Ciudad Universitaria, 2do piso.
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