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Variational Data Assimilation (presentation, 2001) (Variational)

June 2001
Presentation of Claude Fischer, Andras Horanyi and Wafaa Sadiki during the ALATNET training course on Data Assimilation in Gourdon, 11-22 June 2001. Contents : General aspects : motivations history general formulation of the cost function error covariance matrices minimization algorithms (...)


A posteriori verification of analysis and assimilation algorithms (presentation, 2001) (Variational)

June 2001
Presentation of Wafaa Sadiki, Claude Fischer and Gérald Desroziers during the ALATNET training course on Data Assimilation in Gourdon, 11-22 June 2001. A posteriori diagnostics in a variational scheme : improve the knowledge of the assimilation systems based on variational approach develop a (...)


Surface parametrization (presentation, 2000) (Physics)

History and fundamental principles
Monday 26 June 2000
This presentation was given by Eric Bazile during the ALATNET Seminar on High Resolution Modelling, Radostovice, May 2000 : Why do we need a surface parametrization in a NWP model ? What type of surface ? History (since 1970) ISBA ECMWF scheme (Diffusion Equation, DE) DE, force restore, skin (...)


Soil and land cover characteristics (presentation, 2000) (Physics)

June 2000
This presentation was given by Eric Bazile during the ALATNET Seminar on High Resolution Modelling, Radostovice, May 2000 : Database : soil characteristics, land cover, vegetation, albedo, ... How do we transform the initial data to the model fields ? Impact of the database on the (...)


Getting started with ALADIN (presentation, 1997) (BASICS)

1997
One of the first presentations by Jean-Daniel Gril ... still up-to-date ! Getting started with ALADIN : introduction how to create an ALADIN domain ? the configurations : e001, e927, ee927 namelists and librairies the command line files (...)


1D shallow convective case studies and comparison with LES (presentation, Nov 2005) (Physics)

Tuesday 6 December 2005
Presentation of Sylvie Malardel during the 1st AROME training course that took place in Poiana Brasov (Romania), on November 21-25, 2005 : BOMEX case EUROS/ARM/shallow cumulus case


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