Changes between Version 11 and Version 12 of ModifyModelforEnsembleIntegration


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Timestamp:
Aug 26, 2010, 3:41:10 PM (10 years ago)
Author:
lnerger
Comment:

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  • ModifyModelforEnsembleIntegration

    v11 v12  
    5959 * `status`: The integer status flag. It is zero, if PDAF_get_state is existed without errors.
    6060
    61 == PDAF_put_state_* ==
     61== PDAF_put_state_X ==
    6262
    6363There is a separate routine `PDAF_put_state_*` for each of the filter algorithms. The name of the routine includes the name of the filter at its end. The purpose of the `PDAF_put_state_*` routines is to write back the forecast model fields into the array holding the ensemble of model state vectors. In addition, the routine checks if the current forecast phase is completed. If not, the routine is exited and the next cycle of the ensemble loop is performed. If the current forecast phase is completed, the routine executes the analysis step of the chosen filter algorithm. The interface to each put-state routine is specific for each filter algorithm, because the names of several user-supplied routines have to be specified, which are specific for each filter algorithm. For example, the interface when using the SEIK filter is the following:
     
    7878== User-supplied routines ==
    7979
    80 Here, one the user-supplied routines are discussed that are required at this stage of the implementation (that is, the ensemble integration). The routines that are required to conduct the analysis step of some filter, are described in the main section about the implementation of the analysis step.
     80Here, one the user-supplied routines are discussed that are required at this stage of the implementation (that is, the ensemble integration). The routines that are required to conduct the analysis step of some filter, are described in the main section about the implementation of the analysis step. For testing (see [#Compilationandtesting 'Compilation and testing']), all routines need to exist, but only those described here in detail need to be implemted with functionality.
    8181
    8282To indicate user-supplied routines we use the prefix `U_`. In the template directory `templates/` these routines are provided in files with the routines name without this prefix. In the example implementation in `testsuite/src/dummymodel_1D` the routines exist without the prefix, but with the extension `_dummy_D.F90`. In the section titles below we provide the name of the template file in parentheses.