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Specific documentation


Editorial

The purpose of this site is to give an easy access to the numerous and various documentations available around ARPEGE/ALADIN/AROME

  • specific documentation (grouped by topics)
  • specific presentations and full lectures given during training courses
  • other presentations (grouped by topics)
  • Newsletters
  • Some targered articles for Newcomers to ALADIN or New Phasers.

The home page of this site presents the last articles and news item published (in reverse chronological order). Many tools (on top and bottom menus) should made your reading easier :

"Site Map" : overview of all articles "Summary" : calendar of articles publication "Contact" : send a message to the administrator
the possibility of syndication for each section, sub-section, article
the "Search" engine based on a word indexing system : it is available in the header of all pages and it searches in sections or sub-sections, articles and also in the contents of the joined documents (.pdf, .ps, ...)

Most recent articles


Most recent articles


GESTION DES NAMELISTS DE MITRAILLETTE, D’OLIVE ET DE L’OPERATIONNEL: CYCLE 46t1r1.

Tuesday 12 February 2019 by Karim Yessad
Table of contents RESUME Contents / TABLE DES MATIERES CETTE DOCUMENTATION EST UN MEMORANDUM RECAPITULANT LES PRINCIPALES ACTIONS A EFFECTUER CONCERNANT LA MAINTENANCE DES NAMELISTS DE ``MITRAILLETTE", AINSI QUE CELLES DE L’OPERATIONNEL, QUI VONT DANS LES (...)


Library architecture and history of the technical aspects in ARPEGE/IFS, ALADIN and AROME in the cycle 46t1r1 of ARPEGE/IFS.

Tuesday 12 February 2019 by Karim Yessad
Table of contents Abstract RESUME Contents This documentation has the aim to give a general overview of the library architecture ARPEGE/IFS, ALADIN and AROME models. Information will be given about an historical overview of the most important code rewritings, (...)


User’s guide to add new surface variables or new surface attributes in ARPEGE/IFS, ALADIN, AROME: cycle 46t1r1.

Tuesday 12 February 2019 by Karim Yessad
Table of contents Abstract RESUME Contents This documentation is a user’s guide for people wanting to introduce new surface fields, or new surface attributes. Cette documentation est un guide d’utilisation pour les personnes qui veulent introduire de (...)


User’s guide to add new GFL variables or new GFL attributes in ARPEGE/IFS, ALADIN, AROME: CYCLE 46t1r1.

Tuesday 12 February 2019 by Karim Yessad
Table of contents Abstract RESUME Contents This documentation is an user’s guide for people wanting to introduce new GFL variables or new GFL attributes. Cette documentation est un guide d’utilisation pour les personnes qui veulent introduire de nouvelles (...)


IO IN THE CYCLE 46t1r1 OF ARPEGE/IFS: CALL-TREE ASPECTS.

Tuesday 12 February 2019 by Karim Yessad
Table of contents Abstract RESUME Contents This documentation gives an overview of the IO (file reading and writing) done in the most usual configurations. This is not a technical documentation about IO but rather a documentation describing entries to IO (...)


FULL-POS in the cycle 46t1r1 of ARPEGE/IFS.

Tuesday 12 February 2019 by Karim Yessad
Table of contents Abstract RESUME Contents This documentation describes the software FULL-POS doing post-processing on different kind of vertical levels. In particular, post-processable variables and organigramme are given. Some aspects of horizontal and (...)


Organigramme of configuration 923 in the cycle 46t1r1 of ARPEGE/IFS.

Tuesday 12 February 2019 by Karim Yessad
Table of contents Abstract RESUME Contents This documentation provides an organigramme of configuration 923, which allows to compute climatological files (containing monthly climatologies of surface fields). It is the complement of some other documentations (...)


Sphere to sphere transforms in spectral space in the cycle 46t1r1 of ARPEGE/IFS: configuration 911.

Tuesday 12 February 2019 by Karim Yessad
Table of contents Abstract RESUME Contents This documentation describes configuration formerly numbered 911 which performs dilatation/contraction matrices: these matrices allow to do spectral transformation between a stretched spectral space and between its (...)


Trajectory management in the cycle 46t1r1 of ARPEGE/IFS.

Tuesday 12 February 2019 by Karim Yessad
Table of contents Abstract RESUME Contents In ARPEGE/IFS, some applications (for example a 4DVAR minimisation) use a tangent linear code and an adjoint code. Such codes require to compute a trajectory, this trajectory is computed by running the direct code. (...)


Minimizations in the cycle 46t1r1 of ARPEGE/IFS.

Tuesday 12 February 2019 by Karim Yessad
Table of contents Abstract RESUME Contents This documentation describes the minimizations done in ARPEGE/IFS, for example in the 3DVAR and 4DVAR assimilation. First some algorithmic aspects are recalled about minimizers and solving of linear algebra systems. (...)

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