Changes between Version 1 and Version 2 of PDAF_iau_init_inc


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Timestamp:
Mar 24, 2025, 7:54:43 PM (8 days ago)
Author:
lnerger
Comment:

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  • PDAF_iau_init_inc

    v1 v2  
    66A common use is when the IAU should be applied from the initial time of a run, for example if the increment was computed in a previous assimilation run and then stored for restarting. Since PDAF can only compute an increment in an analysis step, the user needs to provide the increment.
    77
    8 The routine is usually called in init_pdaf after the initialization of IAU with `PDAF_iau_init`. It has to be called by all processes that are model processes and one needs to provide the task-local ensemble (i.e. with local ensmeble size `dim_ens_l=1` for the fully parallel mode, and usually `dim_ens_l>1` for the flexible parallelization mode)
     8The routine is usually called in `init_pdaf` after the initialization of IAU with `PDAF_iau_init`. It has to be called by all processes that are model processes and one needs to provide the task-local ensemble (i.e. with local ensemble size `dim_ens_l=1` for the fully parallel mode, and usually `dim_ens_l>1` for the flexible parallelization mode). The routine can usually not be called in `init_ens_pdaf` since this routine is only executed by filter processes and not all model processes.
    99
    1010The interface is the following:
    1111{{{
    1212  SUBROUTINE PDAF_iau_init_inc(dim_p, dim_ens_l, ens_inc, flag)
    13 }}}
    14 with the following arguments:
    15 {{{
     13
    1614    INTEGER, INTENT(in) :: dim_p                    !< PE-local dimension of model state
    1715    INTEGER, INTENT(in) :: dim_ens_l                !< Task-local size of ensemble