EGU General Assembly 2008
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Nonlinear Processes in Geophysics
Nonlinear Processes: in Geosciences (General)
Dynamical Systems Approaches to Problems in the Geosciences
Scale, scaling and nonlinear variability in geosciences
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Nonlinear Processes in Geophysics
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  Information - NP5.02 Data assimilation in the presence of nonlinearities

Event Information
Assimilation of observations in numerical models of geophysical processes is
becoming an increasingly more important component of geosciences. More and more
observations (in particular, satellite observations, as well as all forms of
tomographic observations) are 'indirect' observations, bearing on complicated
combinations (often, integrals over some line in space) of the physical parameters
to be estimated. The associated 'data retrieval' procedures are either an integral
part of assimilation, or a necessary preliminary step preceding assimilation

This session will be devoted to the presentation and discussion of
methods for data assimilation, and more generally, for inverse problems, in ocean
and atmosphere dynamics, remote sensing, solid earth geophysics, atmospheric
chemistry, hydrology and in all fields of geophysics. The presentation and
discussion of recent progress due to the use of data assimilation in geophysics
will be of particular interest.

Special emphasis will be put on methods and recent developments of
mathematical aspects of data assimilation and inverse problems,
particularly in situations when a local linear hypothesis is not valid.
Contributions dealing with algorithmic aspects and numerical
implementation of data assimilation are welcome.

Preliminary List of Solicited Speakers


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