Stochastic Downscaling Method: Application to Wind Refinement

Frédéric Bernardin 1 Mireille Bossy 2 Claire Chauvin 3 Philippe Drobinski 4 Antoine Rousseau 3, * Tamara Salameh 4
* Corresponding author
2 TOSCA
INRIA Lorraine, CRISAM - Inria Sophia Antipolis - Méditerranée , UHP - Université Henri Poincaré - Nancy 1, Université Nancy 2, INPL - Institut National Polytechnique de Lorraine, CNRS - Centre National de la Recherche Scientifique : UMR7502
3 MOISE - Modelling, Observations, Identification for Environmental Sciences
Inria Grenoble - Rhône-Alpes, LJK - Laboratoire Jean Kuntzmann, INPG - Institut National Polytechnique de Grenoble
Abstract : In this article, we propose a new stochastic downscaling method: provided a numerical prediction of wind at large scale, we aim to improve the approximation at small scales thanks to a local stochastic model. We first recall the framework of a Lagrangian stochastic model borrowed from S.B. Pope. Then, we adapt it to our meteorological framework, both from the theoretical and numerical viewpoints. Finally, we present some promising numerical results corresponding to the simulation of wind over the Mediterranean Sea.
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Frédéric Bernardin, Mireille Bossy, Claire Chauvin, Philippe Drobinski, Antoine Rousseau, et al.. Stochastic Downscaling Method: Application to Wind Refinement. Stochastic Environmental Research and Risk Assessment, Springer Verlag (Germany), 2009, 23 (6), pp.851-859. ⟨10.1007/s00477-008-0276-9⟩. ⟨inria-00337526⟩

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