|Reference : The Electron and Proton Energy Input Into The Auroral Thermosphere During Substorms: ...|
|Scientific congresses and symposiums : Paper published in a book|
|Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics|
|The Electron and Proton Energy Input Into The Auroral Thermosphere During Substorms: Remote Sensing With Image-fuv|
|Hubert, Benoît [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP) >]|
|Gérard, Jean-Claude [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP) >]|
|Meurant, M. [> > > >]|
|Evans, D. S. [> > > >]|
|Mende, S. B. [> > > >]|
|Frey, H. U. [> > > >]|
|Immel, T. J. [> > > >]|
|EGS XXVII General Assembly, Nice, 21-26 April 2002|
|[en] This paper investigates the dynamical properties of the Eta model, a state-of-the- art nested limited-area model, following the approach previously developed by the present authors. It is first shown that the intrinsic dynamics of the model depends crucially on the size of the domain, with a non-chaotic behavior for small domains, supporting earlier findings on the absence of sensitivity to the initial conditions in these models. The quality of the predictions of several Eta model versions differing by their domain size is next evaluated and compared with the Avn analyses on a targeted region, centered on France. Contrary to what is usually taken for granted, a non-trivial relation between predictability and domain size is found, the best model versions be- ing the ones integrated on the smallest and the largest domain sizes. An explanation in connection with the intrinsic dynamics of the model is advanced.|
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