NEMO 3.4 release

Original publication (eZ): 2013-02-13 17:44 CET by clevy
Last edition: 2017-06-21 00:12 CEST by nicolasmartin

  1. Major improvements
    1. New physics and numerics
    2. Configurations, diagnostics and tools
    3. System simplification
The new release 3.4 of NEMO is now available.

Note this is a major release and the documentation has been updated in consequence.

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)
  • Back to a semi-implicit bottom friction (bugfree) (namelist ln_bfrimp)
  • Add Pacanowski-Philander scheme for computation of Ekman depth in zdfri
  • Add a new bulk formulae (namelist ln_blk_mfs and &namsbc_mfs)
  • Introduce a drag coefficient compute by wave model (new namelist &namsbc_wave)
  • Add tidal potential forcing (new namelist &nam_tide)
  • Neptune effect parametrization
  • Point to point MPI communication for north fold (namelist ln_nnogather)
  • Allow sub timestepping for biogeochemistry models when using non-linear free surface
  • Improvement in PISCES (light limitation ; quota model for iron ; use Pa in gas exchange ; fldread for all data ; calcite dissolution & calcon salinity dependence)

Configurations, diagnostics and tools

  • Suppression of POMME configuration
  • Addition of a regional configuration AMM12 (key_amm_12km and input files)
  • Improvement of format for lagrangian floats
  • Online computing of transport across sections
  • Tidal harmonic analysis (new namelist &nam_diaharm)
  • Tools to prepare input files for observation operator
  • Timing functionality (namelist ln_timing)

System simplification

  • Simplification of dynamic allocation
  • End of merge TRA/TRA (no more separate 3d arrays for tracers, only 4d)
  • Suppression of obsolete hpg options
  • More flexible definition of BDY input data
  • Simplification of interfaces toward biogeochemical models
  • Interface with CICE in coupled mode
  • Use of fldread to read/interpolate data for passive tracers and dynamical input data for OFFLINE configurations
Last modified 11 months ago Last modified on 2017-06-21T00:12:42+02:00