Surfex V8_1
The version V8_1 of SURFEX is a technical version, i.e. it contains only technical and no scientific developments. So its implementation will have no impact on output results.
This version contains the following novelties:
- 1) Optimization and MPI parallelisation of the PGD and PREP steps.
- 2) The general OPEN-MP in the OFFLINE driver is removed.
- 3) By default, the output written fields are all 1D-fields (there is no longer the dimension PATCH in output files).
- 4) The types introduced in version 8_0 are used to simplify the writing of several subroutines of the code.
- 5) Some obsolete options are suppressed.
- 6) The modifications of P. Marguinaud for the parallelization of the PREP with FULLPOS in AROME.
- 7) The modifications of J. Escobar and M. Moge for the MPI parallelization of the PREP_REAL, PREP_NEST_PGD and SPAWNING.
- 8) The parallel I/O server XIOS implemented in Surfex by S. Senesi.
- 9) The fortran interface for NETCDF4 replaces the previous NETCDF3 interface.
- 10) A first draft of the new coding related to the further building of ECOCLIMAP-SG.
- 11) The GRIB-API library is updated to version 1.17.0.
- 12) The output SNOW fields can be written 2D (number of points / number of snow layers), by M. Lafaysse (CEN).
- 13) The NETCDF forcing file can be partially read, by M. Lafaysse (CEN).
- 14) The definition of the OFFLIN output fields to be written is suppressed from files init_outfn_... .
- 15) The OFFLIN output fields are adapted to plot their fields with EPyGrAM.
- 16) The possibility to give CONDSAT, MPOTSAT, BCOEF, WWILT, WFC and WSAT, by soil layer, in the namelist NAM_DATA_ISBA, is added.
- 17) A correction for the forcing radiation is introduced, under key (C. Szczypta, P. Le Moigne).
- 18) Technical news for the assimilation part SODA (C. Albergel, S. Munier).
- 19) The XRD and DR_HOOK library are merged and updated to version 44.
On a practical point of view, the following differences are noted between version 8_0 and version 8_1:
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