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Reduced Modeling with Optimal Bases
Daan Crommelin
Courant Institute of Mathematical Sciences
Abstract
It is known that atmospheric models based on spectral
expansions are not very efficient. By using a different model basis,
the number of degrees of freedom needed to produce a certain degree of
realism with a model can be significantly reduced - a gain that can be
valuable for extended simulations of atmosphere/ocean models. I will
discuss several types of optimal bases, and show results from a
comparison study.
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