nemo_v3_3

The new release nemo_v3_3 is now available

Practical details available here: http://www.nemo-ocean.eu/Using-NEMO/User-Guides/Basics/NEMO-Quick-Start-Guide
All the development branches (including the 3_3_beta) are obsolete and should not be used.
Aside from a number of developments (see below), this new 3_3 version has quite a few changes in the code structure and access.
Concerning the near future, the release agenda is slightly different from last year: a new tag 3_3_1 will be added in the next 2 months including 3_3 and dynamical allocation.
If you intend to update your application to 3_3 (which is a priori a good idea), we suggest that you wait for this 3_3_1 tag which will bring in both the 3_3 developments and the dynamical allocation.

NEMO v3_3 main features:

Ocean Physics

• LF-RA time stepping (Leclair & Madec 2009)
• Griffies iso-neutral operator (not fully operational)
• GLS vertical turbulent mixing schemes
• bbl re-written (Campin & Goosse 1999)

Tangent & Adjoint

• TAM in phase with v3.0

Forcing

• CORE II normal year as default
• runoff as lateral input (including T & S)
• diurnal cycle on Qsr (Bernie et al. 2007)
• atmospheric pressure (on both ocean & ice)
• coupled interface adjusted to WRF

User interface

• FCM replaces modipsl
• OBS & ASSIM
• complete’ ocean documentation (on line and reference manual)
• support of NetCDF4 (via IOM)

Developer interface

• fldread used for ~ all input fields (including 3D)
• merge TRC/TRA (advection/diffusion)
• highly simplified OFF_SRC code

Sea-ice

• revised LIM ice-ocean momentum coupling
• C-grid EVP for both LIM-2 & 3 (Bouillon et al. 2009)

In this release, some variables names, and namelist variables values have been changed. A careful look to your xml files for IO, and namelist (to be compared to the ones updated in the reference) is suggested.