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A. V. Protasov, V. A. Ogorodnikov

On one method of investigation of sensitivity to random fields perturbations in dynamic-probabilistic modelling

Using variational information assimilation, we propose the method of dynamic probabilistic numerical investigation of the climatic sensitivity of atmospheric processes to their long-term perturbations in given regions. We use the known representation of the atmosphere climate as a statistical ensemble of possible realizations of space-time meteoelement fields. In essence, we propose an algorithm for the approximate numerical modelling of conditionally distributed realizations by variational information assimilation methods using a numerical model of atmosphere hydrothermodynamics.

Russian Journal of Numerical Analysis and Mathematical Modelling, Walter de Gruyter

Print ISSN: 0927-6467
Volume: 18, 08/2003
Pages: 337 - 346

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