[[TOC(heading=Release_v3_4)]]

= '''Release 3.4''' =  
Last edited [[Timestamp]]
[[BR]]
[[BR]]

== '''Current status''' ==

Version 3.4 is currently a beta release (since 2011/12/22), so any feedback is welcome. [[BR]]
An extensive review of the changes included in the 3.4_beta can be found here http://forge.ipsl.jussieu.fr/nemo/report/44[[BR]]
Documentation has been updated accordingly and is available there http://forge.ipsl.jussieu.fr/nemo/browser/branches/2011/dev_NEMO_MERGE_2011/DOC/NEMO_book.pdf

== ''Practical informations''' ==

The beta version doesn't correspond to a given tag but is located on a svn branch dev_NEMO_MERGE_2011 which can be browsed there http://forge.ipsl.jussieu.fr/nemo/browser/branches/2011/dev_NEMO_MERGE_2011. In practice, the initial version of the beta was revision 3237 on this branch. You will be able to update the beta by performing ''svn update '' under the root repository.

== '''Major improvements''' ==

=== New physics and numerics  ===
   * new pressure gradient suitable for s-coordinate (namelist ln_hpg_djc)
   * completion of Griffies iso-neutral diffusion (ln_traldf_grif)
   * add Pacanowski-Philander scheme for computation of Ekman depth in zdfri 

=== Configurations  ===
   * suppression of POMME configuration
   * addition of a regional configuration AMM12 (key_amm_12km and input files http://dodsp.idris.fr/reee512/NEMO/amm12_inputs_v3_4.tar)

=== System simplification  ===
   * suppression of obsolete hpg options
   * replacement of Richardson vertical mixing scheme

== '''Minor bug fixes / enhancements''' ==

* '''AGRIF''' [[BR]]

||#443||Coordinates cannot be read under AGRIF||||||
||#415||runtime array allocation error with AGRIF||||||
||#341||Interpolation on the fly with AGRIF||'''Rachid ?'''||||
||#261||AGRIF syntax problem with allocation of FLD arrays||||||
||#108||AGRIF with ice||||||
||#107||AGRIF with time-splitting||||||
||#106||AGRIF with time-splitting||||||
||#73||tradmp.F90 never called when using AGRIF ...||||||