Inverse Problems and Earth
System Modeling
Challenges and opportunities
in the Americas…
The French connection
Laura Gallardo
Jaime Ortega
Axel Osses
LGK Dic 2005
Contents
• Our group on Earth
System Modeling and
Inverse Problems
• Challenges and
opportunities in the
Americas, e.g., SAEMC
• The French connections
and possibilities
• Concrete examples and
products
• Summary
LGK Dic 2005
Earth System Modeling and
Inverse Problems
•Chemical weather
forecast…Kalman filter
•Aerosol-cloud-climate
interactions…IP and integral
equations
•Downscaling of climate change
scenarios…Boundary
conditions
•Stratosphere-troposphere
exchange…Discontinuities
LGK Dic 2005
Project$
•
•
•
•
•
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Urban Mobile Emissions in South
American Cities (UMESAM, 20042005)…South American Emissions,
Megacities, and Climate (SAEMC, 20062010)
A Europe-South America Network for
Climate Change Assessment and Impact
Studies (EU-CLARIS, 2004-2007)
CODELCO-IM2, 2004/2005:Design of an emission
survey and control system
ECOS (3+2)
INRIA-CONICYT (1)
FONDECYT (3)
LGK Dic 2005
South American Megacities
•SA M-cities
concentrate population
(75%), environmental
problems and
resources
•M-cities are global
change drivers
•This issue can merge
efforts and strenghten
the region (SciencePolicy)
LGK Dic 2005
South American Emissions,
Megacities, and Climate (SAEMC,
2006-2010, 640 kUS$ )
• Emissions scenarios
estimate and evaluation.
• Dynamical downscaling of climate
change scenarios
• Implementation of a
pilot chemical weather
forecast network
• Prospective
characterization of
aerosols inside and
downwind South
American megacities
LGK Dic 2005
SAEMC –Participants and
connections
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To take
over the
world!
IGAC SSC Meeting, October 2005
IGAC Task activity on
South American M-cities
from 2006?
LGK Dic 2005
Chemical weather forecast
Brazil/CPTEC is the
leading weather center in
South America
We aim at establishing a
regional network for
operational chemical
weather forecast
We start with a pilot
CPTEC
activity linking CPTEC and
the Chilean Weather Office
(DMC)
DMC will be using
POLYPHEMUS, a French
model
LGK Dic 2005
Axel…examples
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S ...
• We have established at the CMM a
multidisciplinary research group working on
IP and ESM
• Inverse modeling for source determination
and data assimilation are active research
areas
• There are strong (South) American, and
European connections, as expressed in
several projects.
• South American Emissions, Megacities, and
Climate (SAEMC, 2006-2010) will provide a solid
basis for research and international
collaboration
• CNRS and INRIA have played a key role for
our work, and we expect to count on that
support in the next future
LGK Dic 2005