[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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Centro de Investigaciones del Mar y la Atmosfera (CONICET-UBA)
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